[
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q7",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{1}{3}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{3}{8}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q8",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Find the value of \\(\\dfrac{7}{9}\\) - \\(\\dfrac{2}{3}\\).",
    "answer0": "\\(\\dfrac{1}{9}\\)",
    "answer1": "\\(\\dfrac{5}{6}\\)",
    "answer2": "\\(\\dfrac{3}{4}\\)",
    "answer3": "\\(\\dfrac{5}{9}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q14",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "In the grid, Raju is standing at point P facing north-west. Then, he makes a \\(\\dfrac{3}{4}\\) turn in a clockwise direction. At which point does he face now?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write seventy-three thousand and twelve in figures.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange the following numbers from the smallest to the greatest.\n2810 , 2081 , 2108\n[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q19",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 67 and 898.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q20",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the common factors of 16 and 40.\n[?] , [?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "4 answers -> 4 [?] blanks in order"
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q21",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write \\(\\dfrac{45}{7}\\) as a mixed number.",
    "answer0": "\\(6\\dfrac{3}{7}\\)",
    "answer1": "\\(6\\dfrac{4}{7}\\)",
    "answer2": "\\(7\\dfrac{3}{7}\\)",
    "answer3": "\\(6\\dfrac{2}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the number of students in the different CCAs from Primary 4M. What is the difference between the CCA with the greatest number of students and the least number of students?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What fraction of the students in Primary 4M are in the basketball CCA? (Give your answer in the simplest form.)",
    "answer0": "\\(\\dfrac{3}{14}\\)",
    "answer1": "\\(\\dfrac{14}{3}\\)",
    "answer2": "\\(\\dfrac{4}{14}\\)",
    "answer3": "\\(\\dfrac{3}{15}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In the figure shown, PQRS is a square. Find angle URT.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q26",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the smallest to the greatest.\n\\(\\dfrac{2}{5}\\) , \\(\\dfrac{7}{10}\\) , \\(\\dfrac{1}{4}\\)",
    "answer0": "\\(\\dfrac{1}{4}\\) , \\(\\dfrac{2}{5}\\) , \\(\\dfrac{7}{10}\\)",
    "answer1": "\\(\\dfrac{7}{10}\\) , \\(\\dfrac{2}{5}\\) , \\(\\dfrac{1}{4}\\)",
    "answer2": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{7}{10}\\) , \\(\\dfrac{1}{4}\\)",
    "answer3": "\\(\\dfrac{1}{4}\\) , \\(\\dfrac{7}{10}\\) , \\(\\dfrac{2}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There are some chocolates in a box. The chocolates can be shared equally among 6 children or 8 children. What is the smallest possible number of chocolates in the box?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q28",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Linda took 1 h 45 min to complete a practice paper. She finished the practice paper at 3.20 p.m. At what time did she start doing the practice paper? Express your answer in 24-hour clock.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 89.895 to the nearest hundredth.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 3 identical squares and 1 rectangle. The area of a square is 16 cm2. Find the area of the figure.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of rectangle ABCD and square BEFC. The area of rectangle ABCD is 54 cm2 and EF = 6 cm. Find the perimeter of the figure.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the number of each type of buns Mr Tan sold in a day. Mr Tan sold three times as many chicken floss buns as curry potato buns. How many buns did he sell in total?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The bar graph shows the number of patients who visited ABC Clinic over a period of 5 weeks. How many more patients visited ABC Clinic in Week 2 than in Week 5?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "All the patients who visited ABC Clinic in Week 3 took a vaccination. Each of them paid $18 for it. How much money was collected from all the patients in Week 3?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q36",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mason has \\$740 and Amin has \\$198. How much money must Mason give to Amin so that both of them have the same amount of money?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q37",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A bottle which was completely filled with water weighed 2100 g. After \\(\\dfrac{2}{3}\\) of the water was poured away, the bottle with the remaining water weighed 800 g. What was the mass of the empty bottle in grams?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q38",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Alex started cycling from Marina Bay at 11 35. It took him 1 h 50 min to cycle from Marina Bay to East Coast Park.\na) What time did he arrive at East Coast Park? Give your answer in 12-hour clock.\nb) After reaching East Coast Park, Alex cycled home immediately. He took 2 h 35 min to reach home. How long did Alex spend cycling in total? (Leave your answer in hours and minutes.)\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q39",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Adam, Bryan and Chris shared some marbles. Adam had \\(\\dfrac{1}{4}\\) of the marbles. Chris had \\(\\dfrac{7}{12}\\) of the marbles. Bryan had 248 marbles.\na) What fraction of the marbles did Bryan have? (Express your answer in the simplest form.)\nb) How many marbles did the boys have altogether?",
    "answer0": "\\(\\dfrac{1}{6}\\) , 1488",
    "answer1": "1488 , \\(\\dfrac{1}{6}\\)",
    "answer2": "1488 , \\(\\dfrac{1}{6}\\)",
    "answer3": "1488 , \\(\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A jar of honey costs $17.60 more than a bottle of detergent. 3 such jars of honey cost as much as 5 such bottles of detergent. Find the cost of each bottle of detergent.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Sammy has some boxes. If Sammy puts 12 marbles in each box, he will have 20 marbles left. If he puts 16 marbles in each box, he will be short of 40 marbles. How many marbles does he have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is the layout of a square living room. Line AB is equal to Line BC. Ashley laid three different sizes of square rugs on it. Find the floor area not covered by the rugs.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2022 P4 Semestral Assessment 2 Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Bag A contains 26.5 kg more peanuts than Bag B. After 4.55 kg of peanuts were removed from Bag B and placed into Bag A, the mass of Bag A was five times the mass of Bag B. What was the mass of peanuts in Bag B in the end?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q18",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": null,
    "answer1": null,
    "answer2": "\\(\\dfrac{4}{5}\\)",
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q19",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 3079 is divided by 8?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q21",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{5}{8}+\\frac{3}{4}$$?<br>Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{3}{8}\\)",
    "answer1": "\\(1\\dfrac{4}{8}\\)",
    "answer2": "\\(2\\dfrac{3}{8}\\)",
    "answer3": "\\(1\\dfrac{2}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "How many vanilla muffins were sold on all four days?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What fraction of the muffins sold on Sunday was chocolate?<br>Give your answer in the simplest form.",
    "answer0": "\\(\\dfrac{15}{26}\\)",
    "answer1": "\\(\\dfrac{26}{15}\\)",
    "answer2": "\\(\\dfrac{16}{26}\\)",
    "answer3": "\\(\\dfrac{15}{27}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "WXYZ is a rectangle. Find ∠VWY.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q26",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$5-\\frac{7}{11}$$?<br>Express your answer as an improper fraction.",
    "answer0": "\\(\\dfrac{48}{11}\\)",
    "answer1": "\\(\\dfrac{11}{48}\\)",
    "answer2": "\\(\\dfrac{49}{11}\\)",
    "answer3": "\\(\\dfrac{48}{12}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There were twice as many women as men at a carnival. After 180 women left the carnival, the number of men was twice the number of women who remained. How many men were there?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q28",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The pie chart shows the favourite hobbies of students in ABC Primary School. 540 students play Sports. Find the number of students who play Music.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 599.83 to the nearest whole number.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write down the size of ∠KLM.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 4 identical rectangles. DC measures 72 cm.<br>What is the length of AD?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "How many more magazines were sold in September than in August?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A crate weighs 36 kg when it is completely filled with sand.<br>It weighs 12 kg when it is $$\\frac{1}{4}$$ filled with sand.<br>What is the mass of the crate when it is empty?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Muthu has fewer than 50 comic books.<br>If he gives all his comic books equally to 7 friends, there will be 3 comic books left.<br>If he gives all his comic books equally to 9 friends, he will have no comic books left.<br>How many comic books does Muthu have?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q38",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of two squares ABCD and FGCE. The length of DE and BG measure 3 cm each. Given that the area of the FGCE is 64 cm², what is the perimeter of the shaded region?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q39",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mrs Lim bought some highlighters in different colours. $$\\frac{1}{5}$$ of the highlighters were blue and $$\\frac{3}{10}$$ were yellow. The rest of the highlighters were green.<br>(a) What fraction of the highlighters were green? Give your answer in its simplest form.<br>(b) Mrs Lim bought 48 yellow highlighters. How many highlighters did she buy altogether?",
    "answer0": "\\(\\dfrac{1}{2}\\) , 160",
    "answer1": "160 , \\(\\dfrac{1}{2}\\)",
    "answer2": "160 , \\(\\dfrac{1}{2}\\)",
    "answer3": "160 , \\(\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Gordon had 9 bags of flour. Each bag contained 12.25 kg of flour.<br>(a) How much flour did Gordon have altogether?<br>(b) Gordon bought another 24.75 kg of flour. He then repacked all the flour equally into smaller packets. If each smaller packet contained 3 kg of flour, how many smaller packets of flour did Gordon pack?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q41",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Shirley had a total of twenty-six \\$5 notes and \\$10 notes. The total value of the notes was \\$180. How many more \\$5 notes than \\$10 notes did she have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Farah had three times as much sugar as Linda. Farah used 27.5 kg of sugar and Linda used 3.5 kg of sugar. Both had an equal amount of sugar left.<br>(a) How many kilograms of sugar did Linda have at first?<br>(b) How many kilograms of sugar did Farah have in the end?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "ACS 2024 P4 End-of-Year Exam Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 2 identical small squares and 1 large square.<br>The perimeter of the figure is 120 cm. Find the area of the whole figure.<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 Quiz 1 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 7013 is divided by 5?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 Quiz 1 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "I am a multiple of 6 and 9. I am between 20 and 40. What number am I?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 Quiz 1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the sum of the common factors of 36 and 81?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 Quiz 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A tailor sews 16 buttons on a shirt. How many buttons are needed to sew 589 shirts?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 Quiz 1 Q10",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Adam bought 28 boxes of balloons from a party store. Each box contained 36 balloons and costs \\$18. He paid the cashier some money and received \\$46 change.<br>(a) How many balloons did he buy?<br>(b) How much money did he give to the cashier?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "ACS 2024 P4 Quiz 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Andrea and Ben had 3678 strawberries altogether. After Andrea gave 34 strawberries to Ben, she had 5 times as many strawberries as Ben. How many more strawberries did Andrea have than Ben at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 Quiz 1 Q12",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Rosie bought a table and 5 similar chairs at \\$2885. The table cost \\$245 more than a chair. How much did the table cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 Quiz 1 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There were 830 blue and 124 red buttons in a box. After an equal amount of buttons were added for both colours, the number of blue buttons was three times the number of red buttons. How many blue buttons were added?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 Quiz 2 Q10",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the number of movie tickets sold monthly, from January to April.<br>(a) 384 movie tickets were sold from January to April. What is the number of movie tickets sold in March?<br>[?]<br>(b) How much more money was collected in January than in April, if each movie ticket cost \\$12? Give your answer in dollars.<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 Quiz 3 Q6",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "David saved \\$5.50 a day for 4 days. He needed to save another \\$23.90 to buy a pair of shoes. What was the price of the pair of shoes?<br>\\$ [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2024 P4 Quiz 3 Q7",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Tan bought a blouse and a dress. The blouse cost \\$22.30. The dress cost 4 times as much as the blouse.<br>(a) What was the cost of the dress? \\$ [?]<br>(b) How much more did Mrs Tan pay for the dress than the blouse? \\$ [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the value of the digit '7' in 42 753?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q19",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 658 and 39.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q20",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number is 2900 when rounded off to the nearest ten. What is the smallest possible number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q21",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What fraction of the triangles shown are grey in colour?",
    "answer0": "\\(\\dfrac{5}{12}\\)",
    "answer1": "\\(\\dfrac{12}{5}\\)",
    "answer2": "\\(\\dfrac{6}{12}\\)",
    "answer3": "\\(\\dfrac{5}{13}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the number of cookies sold over a period of 5 days. How many cookies were sold in all?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "ABCD is a rectangle. Find ∠y.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q26",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mary poured $$\\frac{1}{3}$$ $$l$$ of juice from a jug for Peter and $$\\frac{1}{9}$$ $$l$$ of juice for Tom. There was $$\\frac{7}{9}$$ $$l$$ of juice left in the jug. How much juice was in the jug at first? Express your answer as a mixed number in its simplest form.",
    "answer0": "\\(1\\dfrac{2}{9}\\)",
    "answer1": "\\(1\\dfrac{3}{9}\\)",
    "answer2": "\\(2\\dfrac{2}{9}\\)",
    "answer3": "\\(1\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 2894 is divided by 8?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q28",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "184 people bought ice cream in a funfair. The pie chart shows the different flavours of ice cream they choose. Half of the people chose either Strawberry or Raspberry flavours. How many people choose Vanilla flavours?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write 39 thousandths as decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Measure and write down the size of ∠m.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the perimeter of the figure.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the number of muffins sold by Mrs Tan from Monday to Thursday. The total number of muffins sold on Monday and Tuesday was twice the number of muffins sold on Thursday. How many muffins were sold on Thursday?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The cost of one muffin is $1.85. How much money was collected on Wednesday?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The difference between two numbers is 27 and their sum is 203. What is the smaller number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Amanda bought 624 balloons for her party. $$\\frac{5}{8}$$ of the balloons were blue and the rest were pink. How many more blue balloons than pink balloons were there?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q38",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The field was built on a rectangular plot of land. The plot of land measured 75 m by 36 m. The width of the footpath is 2 m. What was the area of the footpath?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q39",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The total number of red, yellow and green balls in a box is 2574. $$\\frac{4}{9}$$ of the balls are red. There are 68 more yellow balls than green balls. How many green balls are there in the box?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q40",
    "fix_types": [
      "dollar_math",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Aini had 6 ten-dollar notes and 3 five-dollar notes. She spent \\$18.65 on food, \\$6.35 on a notebook and saved the rest of the money. What fraction of her money did she save? Give your answer in the simplest form.",
    "answer0": "\\(\\dfrac{2}{3}\\)",
    "answer1": "\\(\\dfrac{3}{2}\\)",
    "answer2": "\\(\\dfrac{3}{3}\\)",
    "answer3": "\\(\\dfrac{2}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q41",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A bookshop sold any 3 items for \\$5. To celebrate SG60, the bookshop gave away 1 free item for every 3 items bought.<br>(a) Anne shopped at the bookshop and left with a total of 72 items in her bag. How many free items did she get?<br>(b) Bala had \\$145, how many items will he bring home in total?<br>(a) [?]<br>(b) [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q42",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A pen and a highlighter cost \\$4.20. 3 pens and 5 highlighters cost \\$17.40. Find the cost of a highlighter.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 End-of-Year Exam Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of a rectangular piece of paper measuring 36 cm by 17 cm. A square with a side of 6 cm is cut out from one corner of the rectangle. Another square with a side of 3 cm is cut out from a different corner. Find the area of the remaining paper.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS 2025 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{3}{5} + \\frac{5}{8}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{9}{40}\\)",
    "answer1": "\\(1\\dfrac{10}{40}\\)",
    "answer2": "\\(2\\dfrac{9}{40}\\)",
    "answer3": "\\(1\\dfrac{8}{40}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS 2025 P4 Weighted Assessment 2 Q11",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{3}{8}$$ of counters in a container are red and the rest are blue.<br>(a) What fraction of the counters are blue? <br>(b) There are 34 more blue counters than red counters. How many counters are there in the container?",
    "answer0": "\\(\\dfrac{5}{8}\\) , 136",
    "answer1": "136 , \\(\\dfrac{5}{8}\\)",
    "answer2": "136 , \\(\\dfrac{5}{8}\\)",
    "answer3": "136 , \\(\\dfrac{5}{8}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "ACS 2025 P4 Weighted Assessment 3 Q7",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Siti paid \\$10.40 for a chocolate cake and 4 curry puffs.<br>Sumei paid \\$13.60 for a chocolate cake and 8 curry puffs.<br>Shanti bought 5 chocolate cakes.<br>(a) What was the cost of 1 curry puff? \\$[?]<br>(b) How much did Shanti pay for the 5 chocolate cakes? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 End of Year Exam Q22",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$3\\frac{4}{5}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{19}{5}\\)",
    "answer1": "\\(\\dfrac{5}{19}\\)",
    "answer2": "\\(\\dfrac{20}{5}\\)",
    "answer3": "\\(\\dfrac{19}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS Junior 2023 P4 End of Year Exam Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the value of 6.84 × 7.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 End of Year Exam Q25",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 1964 is divided by 8?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 End of Year Exam Q26",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Measure and write down the size of $$\\angle x$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 End of Year Exam Q27",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of these fractions are in the simplest form?<br>$$\\frac{2}{3}$$ , $$\\frac{3}{6}$$ , $$\\frac{4}{8}$$ , $$\\frac{5}{9}$$",
    "answer0": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{5}{9}\\)",
    "answer1": "\\(\\dfrac{5}{9}\\) , \\(\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{5}{9}\\) , \\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{5}{9}\\) , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "ACS Junior 2023 P4 End of Year Exam Q28",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange the following numbers from the smallest to the greatest.<br>$$\\frac{3}{4}$$ , 0.705 , 0.075<br>[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": "\\(\\dfrac{3}{4}\\)",
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "ACS Junior 2023 P4 End of Year Exam Q39",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Siti had the same number of \\$2 and \\$5 notes. She had a total of \\$252. How many \\$2 notes did she have? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 End of Year Exam Q41",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A stall had a promotion: Buy 1 muffin for \\$3 each. Buy 4 muffins at \\$11. Mandy bought 49 muffins. What was the least amount of money Mandy had to pay for the 49 muffins? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 End of Year Exam Q42",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "James had \\$16.40. He wanted to buy 3 notebooks and 1 pencil case, but he was short of \\$3.30. (a) What was the total cost of the 3 notebooks and 1 pencil case? (b) The pencil case cost \\$2.90 more than each notebook. What was the cost of 1 notebook? [?] [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr Tan bought 3 adult and 1 child air tickets for \\$2800. An adult ticket cost 2 times as much as a child ticket. How much did he pay for one adult ticket?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Ahmad, John, and Tina share \\$830. Ahmad has twice as much money as Tina and he has \\$40 more than John. How much money does Ahmad have?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Use a protractor to measure ∠XYZ.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the least number of squares that must be added so that AB is the line of symmetry for the figure.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 Weighted Assessment 2 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "EF is perpendicular FG and ∠p = ∠q. Find ∠p.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 Weighted Assessment 2 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Perry was at a certain position. He walked 2 steps due north, 1 step due east, 4 steps due south and then 3 steps due west. He ended at Position X. What was his starting position?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 Weighted Assessment 2 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Lim had 528 mangoes. He sold all the mangoes at 6 for $14. How much money did he receive?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Tan baked three times as many banana muffins as chocolate muffins. After she gave away 16 chocolate muffins, there were 5 times as many banana muffins as chocolate muffins. How many chocolate muffins did she bake at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Junior 2023 P4 Weighted Assessment 2 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Rina had 5 times as many red beads as blue beads at first. She then gave away 36 red beads and bought another 36 blue beads. She had the same number of red beads and blue beads in the end. How many red beads did she have in the end?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q4",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "\\(2\\dfrac{3}{7}\\) = [?]/7\nWhat is the missing number in the box?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q6",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "\\(\\dfrac{5}{12}\\) + \\(\\dfrac{1}{4}\\) =",
    "answer0": "\\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{1}{4}\\)",
    "answer2": "\\(\\dfrac{3}{8}\\)",
    "answer3": "\\(\\dfrac{8}{12}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q8",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(4\\dfrac{4}{5}\\)",
    "answer1": "\\(4\\dfrac{3}{5}\\)",
    "answer2": "\\(4\\dfrac{2}{5}\\)",
    "answer3": "\\(4\\dfrac{1}{2}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q18",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of 3 - \\(\\dfrac{3}{8}\\).",
    "answer0": "\\(\\dfrac{21}{8}\\)",
    "answer1": "\\(\\dfrac{8}{21}\\)",
    "answer2": "\\(\\dfrac{22}{8}\\)",
    "answer3": "\\(\\dfrac{21}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q20",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write \\(\\dfrac{17}{6}\\) as a mixed number.",
    "answer0": "\\(2\\dfrac{5}{6}\\)",
    "answer1": "\\(2\\dfrac{6}{6}\\)",
    "answer2": "\\(3\\dfrac{5}{6}\\)",
    "answer3": "\\(2\\dfrac{4}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the greatest to the smallest.",
    "answer0": "\\(\\dfrac{7}{10}\\) , \\(\\dfrac{2}{5}\\) , \\(\\dfrac{3}{8}\\)",
    "answer1": "\\(\\dfrac{3}{8}\\) , \\(\\dfrac{2}{5}\\) , \\(\\dfrac{7}{10}\\)",
    "answer2": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{3}{8}\\) , \\(\\dfrac{7}{10}\\)",
    "answer3": "\\(\\dfrac{7}{10}\\) , \\(\\dfrac{3}{8}\\) , \\(\\dfrac{2}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q24",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "James bought 5 pencils and 2 markers for \\$27. 1 marker cost twice as much as a pencil. How much did a marker cost?\n\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q25",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "4 + \\(\\dfrac{9}{10}\\) is equivalent to [?] tenths.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q28",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "The figure is made up of unit squares. How many more squares must be shaded so that \\(\\dfrac{3}{4}\\) of the figure is shaded?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q33",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "\\(\\dfrac{3}{8}\\) of Elle's magnets is 24. How many magnets does she have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q37",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Charles walked \\(\\dfrac{3}{4}\\) km to reach his home. Steve walked \\(\\dfrac{1}{3}\\) km further to reach his home. What was the total distance both boys walked? (Leave your answer as a fraction)",
    "answer0": "\\(1\\dfrac{5}{6}\\)",
    "answer1": "\\(1\\dfrac{6}{6}\\)",
    "answer2": "\\(2\\dfrac{5}{6}\\)",
    "answer3": "\\(1\\dfrac{4}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q38",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "During a carnival, John collected \\$4032 from the sale of chicken burgers and \\$6874 from sausage burgers. How many more sausage burgers than chicken burgers were sold?\nChicken Burger: \\$8\nSausage Burger: \\$7\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q39",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Peter and John had the same amount of money at first. After Peter spent \\$156 and John spent \\$12, John had 4 times as much money left as Peter. How much did John have at first?\n\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q40",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Mary had 374 pens and pencils. After she sold \\(\\dfrac{1}{4}\\) of the pens and 108 pencils, she had an equal number of pens and pencils left. How many pens did she have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "ACS Primary 2022 P4 Semestral Assessment 1 Q43",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "\\(\\dfrac{1}{4}\\) of the bottle is filled with orange juice. After Andrew refilled with 800 ml of orange juice, it became \\(\\dfrac{7}{12}\\) full. Find the capacity of the bottle in terms of ml.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 End-of-Year Exam Q13",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Nick bought 7 bars of chocolate. Each bar of chocolate cost \\$2.40. He paid for the chocolate with a \\$50 note. How much change did Nick get?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 End-of-Year Exam Q20",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are equivalent to $$\\frac{4}{6}$$?  and",
    "answer0": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{8}{12}\\)",
    "answer1": "\\(\\dfrac{8}{12}\\) , \\(\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{8}{12}\\) , \\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{8}{12}\\) , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Ai Tong 2024 P4 End-of-Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the greatest to the smallest.<br>$$\\frac{3}{4}$$ , $$\\frac{1}{2}$$ , $$\\frac{5}{8}$$",
    "answer0": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{5}{8}\\) , \\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{8}\\) , \\(\\dfrac{3}{4}\\)",
    "answer2": "\\(\\dfrac{5}{8}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{3}{4}\\)",
    "answer3": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{8}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Ai Tong 2024 P4 End-of-Year Exam Q38",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Jerry had 5 kg of rice. He used $$\\frac{3}{4}$$ kg of it to prepare fried rice and another $$\\frac{1}{6}$$ kg of it to prepare chicken rice.<br>(a) How much rice did Jerry use altogether? <br>(b) How much rice did Jerry have left? Give your answer as a mixed number in its simplest form.",
    "answer0": "\\(\\dfrac{11}{12}\\) , \\(4\\dfrac{1}{12}\\)",
    "answer1": "\\(4\\dfrac{1}{12}\\) , \\(\\dfrac{11}{12}\\)",
    "answer2": "\\(4\\dfrac{1}{12}\\) , \\(\\dfrac{11}{12}\\)",
    "answer3": "\\(4\\dfrac{1}{12}\\) , \\(\\dfrac{11}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Ai Tong 2024 P4 End-of-Year Exam Q39",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Devi and Hassan went shopping with the same amount of money. After Devi spent \\$180 and Hassan spent \\$78, Hassan had three times the amount of money left as Devi.<br>(a) How much more money did Devi spend than Hassan? [?]<br>(b) How much money did Devi go shopping with? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 End-of-Year Exam Q42",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": null,
    "answer1": "\\(\\dfrac{3}{28}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 End-of-Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A shop sells T-shirts. Plain T-shirts are sold in packs of 3 (3 for \\$8) and printed T-shirts are sold in packs of 2 (2 for \\$8.55).<br>(a) John had some money. He bought 6 printed T-shirts and had no money left. How much money did he have at first? [?]<br>(b) Mei had the same amount of money as John at first. What was the most number of plain T-shirts she could buy? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 Term 1 Review Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Use all the digits to form the smallest 4-digit number.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 Term 1 Review Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Peter listed the factors of 32: 1, 2, 4, 16, 32.<br>He missed out one factor. What is the missing factor?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 Term 1 Review Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A given number is a multiple of 7.<br>The number is between 50 and 60.<br>What is the number?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 Term 1 Review Q9",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange these fractions from the greatest to the smallest.<br>$$\\frac{2}{3}$$, $$\\frac{5}{6}$$, $$\\frac{2}{5}$$",
    "answer0": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{2}{3}\\) , \\(\\dfrac{2}{5}\\)",
    "answer1": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{2}{3}\\) , \\(\\dfrac{5}{6}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{2}{5}\\) , \\(\\dfrac{5}{6}\\)",
    "answer3": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{2}{5}\\) , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Ai Tong 2024 P4 Term 1 Review Q10",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$\\frac{11}{12}-\\frac{1}{4}$$.<br>Give your answer in its simplest form.",
    "answer0": "\\(\\dfrac{2}{3}\\)",
    "answer1": "\\(\\dfrac{3}{2}\\)",
    "answer2": "\\(\\dfrac{3}{3}\\)",
    "answer3": "\\(\\dfrac{2}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Ai Tong 2024 P4 Term 1 Review Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Sam had some game cards at first. He gave 238 cards to his brother. Then he received 648 new cards from his father. Sam had 1330 cards in the end.<br>How many game cards did he have at first?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 Term 2 Review Q12",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mary had \\$60 of pocket money.<br>She spent $$\\frac{1}{6}$$ of her money on food, \\$14 on a file and saved the rest of the money.<br>How much money did she spend on food? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 Term 2 Review Q12",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mary had \\$60 of pocket money. She spent $$\\frac{1}{6}$$ of her money (\\$10) on food, \\$14 on a file and saved the rest of the money.<br>What fraction of her pocket money did she save?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Ai Tong 2024 P4 Term 2 Review Q14",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr. Lee sells 4 similar laptops and 1 printer for \\$5775.<br>1 printer is sold at \\$1000 less than 1 laptop.<br>What is the price of a printer? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 1 Q9",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "A \\(\\dfrac{3}{4}\\) - turn is [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 1 Q31",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Amanda paid a total of \\$1620 for 2 air purifiers and 3 fans. Each air purifier cost thrice as much as a fan. How much did each fan cost? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 1 Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Audrey bought a dining table and 4 similar chairs. The dining table cost \\$821 more than the total cost of the 4 chairs. She gave the cashier \\$2800 and received \\$43 change. How much did each chair cost? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 2 Q3",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "\\(5\\dfrac{7}{8}\\) = [?]/8. What is the missing number in the box?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 2 Q12",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Alice bought \\(\\dfrac{3}{4}\\) kg of cookies. Benny bought \\(\\dfrac{1}{5}\\) kg of cookies more than Alice. How many kilograms of cookies did Benny buy?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 2 Q13",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Cayden had $84. He spent \\(\\dfrac{3}{7}\\) of his money on a puzzle. How much money did he have left?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 2 Q23",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "\\(\\dfrac{2}{9}\\) + \\(\\dfrac{1}{3}\\)",
    "answer0": "\\(\\dfrac{5}{9}\\)",
    "answer1": "\\(\\dfrac{9}{5}\\)",
    "answer2": "\\(\\dfrac{6}{9}\\)",
    "answer3": "\\(\\dfrac{5}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 2 Q24",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of 1 - \\(\\dfrac{1}{2}\\) - \\(\\dfrac{1}{8}\\).",
    "answer0": "\\(\\dfrac{3}{8}\\)",
    "answer1": "\\(\\dfrac{8}{3}\\)",
    "answer2": "\\(\\dfrac{4}{8}\\)",
    "answer3": "\\(\\dfrac{3}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 2 Q26",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.93 as a fraction.",
    "answer0": "\\(\\dfrac{93}{100}\\)",
    "answer1": "\\(\\dfrac{100}{93}\\)",
    "answer2": "\\(\\dfrac{94}{100}\\)",
    "answer3": "\\(\\dfrac{93}{101}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 2 Q34",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A chicken sandwich costs \\$2.70 and a fruit juice costs \\$1.55. Harry had \\$50. He bought 1 chicken sandwich and a fruit juice. How much money had he left? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 2 Q41",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A t-shirt, a bag and a cap cost \\$256. The bag costs \\$24 more than the cap. The t-shirt costs the same as the total value of the bag and the cap. How much does the cap cost? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2022 P4 Semestral Assessment 2 Q42",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There were some candies in a bag. Joseph took \\(\\dfrac{7}{10}\\) of the candies and Kenny took the rest. Joseph took 24 more candies than Kenny. (a) What fraction of the candies did Kenny take? (b) How many candies were there in the bag at first?",
    "answer0": "\\(\\dfrac{3}{10}\\) , 60",
    "answer1": "60 , \\(\\dfrac{3}{10}\\)",
    "answer2": "60 , \\(\\dfrac{3}{10}\\)",
    "answer3": "60 , \\(\\dfrac{3}{10}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Julia bought a book for \\$18.90 and a pencil box for \\$7.50. She gave the cashier \\$50. How much change did she get?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q20",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Aaron and Brandon had a total of \\$567 at first. After Aaron gave Brandon \\$33, Aaron had twice as much money as Brandon. How much money did Brandon have at first?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q23",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "When a number is divided by 6, it has a quotient of 1006 and remainder of 3. What is the number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In the number line, what is the decimal represented by A?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q25",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Use all the digits 3, 4, 6, 9 to form the largest even number. Each digit can only be used once.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q26",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the number of televisions sold at a shop for the months of January to May. What was the difference between the highest and lowest sale of televisions recorded on the graph?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Penny is standing at point A, facing the park. She turns through an angle of 135° in an anti-clockwise direction. What will she be facing?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q31",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Eunice bought $$\\frac{3}{5}$$ m of ribbon to tie a present. Sarah bought $$\\frac{1}{2}$$ m more ribbon than Eunice to make bows. How much ribbon did they buy altogether?<br> $$m$$",
    "answer0": "\\(1\\dfrac{7}{10}\\)",
    "answer1": "\\(1\\dfrac{8}{10}\\)",
    "answer2": "\\(2\\dfrac{7}{10}\\)",
    "answer3": "\\(1\\dfrac{6}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "$$\\frac{3}{4}$$ of a number is 21. What is the number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q34",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Henry paid \\$4 for 8 identical erasers. What was the cost of 1 such eraser?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A big box contains twice as many tarts as a small box. There are a total of 136 tarts in 3 big boxes and 2 small boxes. How many tarts are there in a big box?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There are 135 pies at a party. $$\\frac{2}{9}$$ of the pies are chicken pies and the rest are mushroom pies. How many more mushroom pies than chicken pies are there at the party?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q41",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Dora, Erica and Felicia had \\$4300 altogether. Dora had \\$980 more than Erica. Felicia had \\$340 less than Erica. How much money did Felicia have?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q42",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Julian read $$\\frac{2}{9}$$ of a book on Monday and $$\\frac{2}{3}$$ of the book on Tuesday. He read the remaining pages of the book on Wednesday. He read 76 more pages on Tuesday than on Monday. What fraction of the book did he read on Wednesday?",
    "answer0": "\\(\\dfrac{1}{9}\\)",
    "answer1": "\\(\\dfrac{9}{1}\\)",
    "answer2": "\\(\\dfrac{2}{9}\\)",
    "answer3": "\\(\\dfrac{1}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Julian read $$\\frac{2}{9}$$ of a book on Monday and $$\\frac{2}{3}$$ of the book on Tuesday. He read the remaining pages of the book on Wednesday. He read 76 more pages on Tuesday than on Monday. How many pages did the book have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "There were some pears and apples for sale at a fruit stall. Pears are sold only in packs of 3 while apples are sold only in packs of 5. 3 Pears for \\$4.75. 5 Apples for \\$6. Mandy bought 12 pears. How much did she pay for the pears?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Pears are sold only in packs of 3 while apples are sold only in packs of 5. 3 Pears for \\$4.75. 5 Apples for \\$6. Caleb had \\$50. What was the greatest number of apples he could buy?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 End of Year Exam Q45",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Dots and triangles are used to form figures that follow a pattern. Fig 1 has 4 dots, Fig 2 has 9 dots, Fig 3 has 16 dots (the number of dots is (figure number + 1) squared). Which Figure Number has a total of 100 dots?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 Weighted Assessment 1 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "At a funfair, every 2nd child gets a cotton candy and every 6th child gets a cup of bubble tea. Which child is the first to get both a cotton candy and a cup of bubble tea?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "When a number is divided by 8, it has a quotient of 219 and a remainder of 3. What is the number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Lee has 134 pupils. She gave 12 pencils to each pupil and had 2 pencils left. How many pencils did she have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A baker packed 3906 croissants equally in boxes. The croissants were packed in boxes of 6. How many boxes were there altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A big jar contains twice as many sweets as a small jar. 4 small jars and 2 big jars contain 256 sweets. How many sweets does a big jar contain?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Tan bought a dress and 3 similar shirts. The dress cost \\$272 more than the total cost of the 3 shirts. She gave the cashier a \\$1000 note and received \\$428 change. What was the cost of 1 such shirt?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2023 P4 Weighted Assessment 3 Q5",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What mixed number does the letter A represent on the number line? Give your answer in the simplest form.",
    "answer0": "\\(2\\dfrac{3}{4}\\)",
    "answer1": "\\(2\\dfrac{4}{4}\\)",
    "answer2": "\\(3\\dfrac{3}{4}\\)",
    "answer3": "\\(2\\dfrac{2}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2023 P4 Weighted Assessment 3 Q9",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Andy and Ben drank a total of $$\\frac{4}{5}$$ $$l$$ of juice. Andy drank $$\\frac{1}{2}$$ $$l$$ of the juice. How much more juice did Andy drink than Ben?",
    "answer0": "\\(\\dfrac{1}{5}\\)",
    "answer1": "\\(\\dfrac{5}{1}\\)",
    "answer2": "\\(\\dfrac{2}{5}\\)",
    "answer3": "\\(\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2024 P4 Practice Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Dayrus paid \\$9.60 for 5 pens and a marker. 1 marker cost thrice as much as a pen. How much did a pen cost?<br>Ans: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Practice Q16",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Ethan had some money at first. He spent $$\\frac{4}{9}$$ of it on a meal and \\$58 on groceries. He then had \\$72 left.<br>(a) How much money did he have at first?<br>(b) How much money did he spend on the meal?<br>Ans: (a) \\$[?] (b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 1 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "At a party, every 6th child gets a box of nuggets and every 8th child gets a goodie bag. Which child is the first to get both a box of nuggets and a goodie bag?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There were 24 finalists at a gaming competition. Each of them received 20 game sets and there were 10 game sets left. How many game sets were there at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "I am a number between 47 and 60. I have a remainder of 7 when I am divided by 9. What number am I?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Yeo distributed 5350 masks equally to 5 elderly care centres without any leftovers. How many masks did each elderly care centre receive?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Max has less than 30 erasers. When he packs them in groups of three, he will have 1 extra eraser. When he packs them in groups of seven, he will have 5 extra erasers. How many erasers does Max have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Adam has three times as many stamps as Ben. Caleb has 1200 more stamps than Adam. Ben and Adam have 5780 stamps altogether. How many stamps does Caleb have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 3 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 13.592 to the nearest whole number.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 3 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the missing mixed number in the number line.",
    "answer0": "\\(3\\dfrac{5}{6}\\)",
    "answer1": "\\(3\\dfrac{6}{6}\\)",
    "answer2": "\\(4\\dfrac{5}{6}\\)",
    "answer3": "\\(3\\dfrac{4}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 3 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the sum of 21.73 and 4.98?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 3 Q9",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions in ascending order.<br>$$\\frac{4}{7}$$ , $$\\frac{17}{12}$$ , $$3\\frac{1}{2}$$ , $$\\frac{1}{2}$$",
    "answer0": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{4}{7}\\) , \\(\\dfrac{17}{12}\\) , \\(3\\dfrac{1}{2}\\)",
    "answer1": "\\(3\\dfrac{1}{2}\\) , \\(\\dfrac{17}{12}\\) , \\(\\dfrac{4}{7}\\) , \\(\\dfrac{1}{2}\\)",
    "answer2": "\\(\\dfrac{4}{7}\\) , \\(\\dfrac{17}{12}\\) , \\(3\\dfrac{1}{2}\\) , \\(\\dfrac{1}{2}\\)",
    "answer3": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{17}{12}\\) , \\(3\\dfrac{1}{2}\\) , \\(\\dfrac{4}{7}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (4 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 3 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ahmad had some stickers. He lost $$\\frac{2}{5}$$ of the stickers and had 27 stickers left. How many stickers did Ahmad have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2024 P4 Weighted Assessment 3 Q11",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mrs Tan bought some juice. She drank $$\\frac{5}{12}$$ $$l$$ of juice and gave away $$\\frac{1}{3}$$ $$l$$ of it. She was left with $$\\frac{7}{12}$$ $$l$$ of juice.<br>(a) How many more litres of juice did she drink than she give away?<br>(b) How many litres of juice did Mrs Tan buy? Give your answer as a mixed number in simplest form.",
    "answer0": "\\(\\dfrac{1}{12}\\) , \\(1\\dfrac{1}{3}\\)",
    "answer1": "\\(1\\dfrac{1}{3}\\) , \\(\\dfrac{1}{12}\\)",
    "answer2": "\\(1\\dfrac{1}{3}\\) , \\(\\dfrac{1}{12}\\)",
    "answer3": "\\(1\\dfrac{1}{3}\\) , \\(\\dfrac{1}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Catholic High 2025 P4 End-of-Year Exam Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{4}{5}+\\frac{9}{10}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{7}{10}\\)",
    "answer1": "\\(1\\dfrac{8}{10}\\)",
    "answer2": "\\(2\\dfrac{7}{10}\\)",
    "answer3": "\\(1\\dfrac{6}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2025 P4 End-of-Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$3\\frac{3}{7}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{24}{7}\\)",
    "answer1": "\\(\\dfrac{7}{24}\\)",
    "answer2": "\\(\\dfrac{25}{7}\\)",
    "answer3": "\\(\\dfrac{24}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2025 P4 End-of-Year Exam Q28",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange these fractions in decreasing order.<br>$$\\frac{1}{2}$$, $$\\frac{5}{6}$$, $$\\frac{5}{9}$$",
    "answer0": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{5}{9}\\) , \\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{9}\\) , \\(\\dfrac{5}{6}\\)",
    "answer2": "\\(\\dfrac{5}{9}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{6}\\)",
    "answer3": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Catholic High 2025 P4 End-of-Year Exam Q33",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Asher gave \\$7 to 4 children. Each child received an equal amount of money. How much money did each child receive?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2025 P4 End-of-Year Exam Q42",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There were some candies in a bag. Ethan took $$\\frac{3}{8}$$ of the candies, Fedrick took $$\\frac{1}{3}$$ of the candies and Germaine took the rest. Ethan took 12 more candies than Germaine.<br>(a) What fraction of the candies did Germaine take?<br><br>(b) How many candies were there in the bag?",
    "answer0": "\\(\\dfrac{7}{24}\\) , 144",
    "answer1": "144 , \\(\\dfrac{7}{24}\\)",
    "answer2": "144 , \\(\\dfrac{7}{24}\\)",
    "answer3": "144 , \\(\\dfrac{7}{24}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Catholic High 2025 P4 End-of-Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "In a shop, balloons are sold only in packets of 5 and 7. A packet of 5 heart-shaped balloons cost \\$3.20 and a packet of 7 round-shaped balloons cost \\$2.50.<br>(a) Meagan bought 15 heart-shaped balloons. How much did she pay for the balloons?<br>\\$[?]<br>(b) David wants to buy 10 heart-shaped balloons and 22 round-shaped balloons. What is the least amount of money he need to pay for the balloons?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2025 P4 Weighted Assessment 3 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round $$39.95$$ to 1 decimal place.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2025 P4 Weighted Assessment 3 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "In a class of 40, the pupils participated in different Co-Curricular Activities. Each pupil only participated in 1 Co-Curricular Activity. The pie chart shows their participation. What fraction of the pupils in the class participated in Choir?",
    "answer0": "\\(\\dfrac{1}{8}\\)",
    "answer1": "\\(\\dfrac{8}{1}\\)",
    "answer2": "\\(\\dfrac{2}{8}\\)",
    "answer3": "\\(\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Catholic High 2025 P4 Weighted Assessment 3 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In a class of 40, the pupils participated in different Co-Curricular Activities. Each pupil only participated in 1 Co-Curricular Activity. The pie chart shows their participation. How many pupils in the class participated in Basketball?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Catholic High 2025 P4 Weighted Assessment 3 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A water bottle contained $$1.2$$ $$l$$ of water. It contained $$2.5$$ $$l$$ less water than a kettle. How much water was there in 4 such kettles?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "CHIJ 2022 P4 Semestral Assessment 2 Q3",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "CHIJ 2022 P4 Semestral Assessment 2 Q4",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Write \\(3\\dfrac{7}{25}\\) as a decimal.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "CHIJ 2022 P4 Semestral Assessment 2 Q9",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "At a party, \\(\\dfrac{1}{4}\\) of the children ate chocolate ice-cream, \\(\\dfrac{3}{8}\\) of the children ate vanilla ice-cream. The remaining 18 children ate strawberry ice-cream. How many children ate chocolate ice-cream?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "CHIJ 2022 P4 Semestral Assessment 2 Q16",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of \\(\\dfrac{5}{6}\\) + \\(\\dfrac{1}{3}\\) ? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{6}\\)",
    "answer1": "\\(1\\dfrac{2}{6}\\)",
    "answer2": "\\(2\\dfrac{1}{6}\\)",
    "answer3": "\\(1\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "CHIJ 2022 P4 Semestral Assessment 2 Q18",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Arrange the following numbers from the smallest to the greatest. 0.408 , \\(\\dfrac{2}{5}\\) , 0.048 [?] (smallest) , [?] , [?] (greatest)",
    "answer0": null,
    "answer1": "\\(\\dfrac{2}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "CHIJ 2022 P4 Semestral Assessment 2 Q20",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "At a fruit shop, apples were sold in bags of 6 only and not separately. Each bag of apples cost \\$4. Kelly has \\$19. What is the greatest number of apples that she can buy? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "CHIJ 2022 P4 Semestral Assessment 2 Q22",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "3 apples and 1 honeydew cost \\$7.17. 2 apples and 1 honeydew cost \\$6.27. What is the total cost of 2 apples? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "CHIJ 2022 P4 Semestral Assessment 2 Q29",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Tim had a box of blue and red marbles. \\(\\dfrac{5}{12}\\) of the marbles were blue. (a) What fraction of the marbles were red? (b) There were 34 fewer blue marbles than red marbles. How many marbles did Tim have altogether?",
    "answer0": "\\(\\dfrac{7}{12}\\) , 204",
    "answer1": "204 , \\(\\dfrac{7}{12}\\)",
    "answer2": "204 , \\(\\dfrac{7}{12}\\)",
    "answer3": "204 , \\(\\dfrac{7}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q3",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{7}{11}\\)",
    "answer1": "\\(\\dfrac{7}{18}\\)",
    "answer2": "\\(\\dfrac{11}{18}\\)",
    "answer3": "\\(\\dfrac{11}{7}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q7",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Lucy bought a storybook for \\$10.95 and a file for \\$2.70. She gave the cashier \\$20. How much change did she receive?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q10",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{1}{4}\\)",
    "answer2": "\\(\\dfrac{1}{9}\\)",
    "answer3": "\\(\\dfrac{1}{10}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 86 594 to the nearest hundred.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the sum of 65 thousands and 49 tens?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the first common multiple of 6 and 8.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q15",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express \\(\\dfrac{27}{6}\\) as a mixed number in its simplest form.",
    "answer0": "\\(4\\dfrac{1}{2}\\)",
    "answer1": "\\(4\\dfrac{2}{2}\\)",
    "answer2": "\\(5\\dfrac{1}{2}\\)",
    "answer3": "\\(4\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q16",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "How many eighths are there in \\(3\\dfrac{5}{8}\\)?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q17",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of \\(\\dfrac{1}{5}\\) + \\(\\dfrac{7}{10}\\) + \\(\\dfrac{2}{5}\\). Express your answer as a mixed number in its simplest form.",
    "answer0": "\\(1\\dfrac{3}{10}\\)",
    "answer1": "\\(1\\dfrac{4}{10}\\)",
    "answer2": "\\(2\\dfrac{3}{10}\\)",
    "answer3": "\\(1\\dfrac{2}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q18",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the size of angle WAZ?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The bar graph shows the amount of money four students saved in a week. What was the total amount of money saved by Aini and Cindy?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "After Muthu had given Joseph $4, how much more money would Muthu have than Joseph?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q23",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number is a multiple of 3. It is also a factor of 42. It is between 14 and 27. What is the number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q24",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "After Julia donated half of her savings to charity and spent \\$124 on a toy, she had \\$102 left. How much savings did Julia have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q25",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Devi bought 3 m of ribbon. She used \\(\\dfrac{2}{7}\\) m of the ribbon to decorate some presents. How many metres of ribbon did she have left? Express your answer as a mixed number.",
    "answer0": "\\(2\\dfrac{5}{7}\\)",
    "answer1": "\\(2\\dfrac{6}{7}\\)",
    "answer2": "\\(3\\dfrac{5}{7}\\)",
    "answer3": "\\(2\\dfrac{4}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q26",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Tan had some apples. After selling \\(\\dfrac{1}{5}\\) of his apples at a fair, he had 304 apples left. How many apples did he have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q27",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Siti and Ahmad spent a total of \\$200.25 at the supermarket. Siti spent \\$102.90. How much more did Siti spend than Ahmad?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q28",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ben paid $630 for a suit and a pair of shoes. The suit cost 5 times as much as the pair of shoes. How much did the pair of shoes cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "8 bins are placed at an equal distance apart along a straight road. The distance between every two bins is 36 m. What is the distance between the first bin and the last bin?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Bala took 5 h 15 min to drive from Kuala Lumpur to Singapore. She arrived at Singapore at 4.05 p.m. What time did Mrs Bala leave Kuala Lumpur for Singapore?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "PQRS is a square and QWXY is a rectangle. Find angle YQR.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Form the greatest possible 4-digit number that can be divided by 5 without a remainder. Each digit can be used only once.\n8  3  9  1  0\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q34",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "The fractions are arranged in decreasing order. The numerator of the second fraction has been smudged by ink. What is the missing numerator?\n\\(\\dfrac{7}{4}\\) (Greatest), [?]/8, \\(1\\dfrac{1}{2}\\) (Smallest)",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Kelly bought 150 candies. She packed the candies into 18 bags. There were 7 candies in each bag. How many candies were left unpacked?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q37",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There were some animals in a farm. \\(\\dfrac{1}{3}\\) of them were chickens, \\(\\dfrac{2}{9}\\) of them were cows and the remaining animals were goats.\n(a) What fraction of the animals were goats? Express your answer in its simplest form.\n(b) Given that there were 116 goats in the farm, how many animals were there altogether in the farm?",
    "answer0": "\\(\\dfrac{4}{9}\\) , 261",
    "answer1": "261 , \\(\\dfrac{4}{9}\\)",
    "answer2": "261 , \\(\\dfrac{4}{9}\\)",
    "answer3": "261 , \\(\\dfrac{4}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q38",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ali, Ben and Charlie baked some cookies for charity. Charlie baked 5490 cookies. Charlie baked 6 times as many cookies as Ben. Ali baked 1360 more cookies than Ben. How many cookies did they bake in all?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q39",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Louis made purple paint by mixing red and blue paint together. He used \\(\\dfrac{5}{6}\\) l of red paint. He used \\(\\dfrac{1}{4}\\) l less blue paint than red paint.\n(a) How much blue paint did he use? Express your answer in its simplest form.\n(b) How much purple paint did Louis make? Express your answer as a mixed number in its simplest form.",
    "answer0": "\\(\\dfrac{7}{12}\\) , \\(1\\dfrac{5}{12}\\)",
    "answer1": "\\(1\\dfrac{5}{12}\\) , \\(\\dfrac{7}{12}\\)",
    "answer2": "\\(1\\dfrac{5}{12}\\) , \\(\\dfrac{7}{12}\\)",
    "answer3": "\\(1\\dfrac{5}{12}\\) , \\(\\dfrac{7}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A rectangular piece of card, ABCD, was folded along PR. The length of RD is equal to the length of PD. RD is two times as long as PC and PC is 7 cm.\n(a) Find angle PRD.\n(b) Find the area of rectangle ABCD before it was folded.\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Matt, Nathan and Larry had a total of 386 marbles. Matt had 28 marbles more than Nathan. Larry had 4 times as many marbles as Matt. How many marbles did Matt have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q42",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Timothy paid a total of \\$12 200 for 5 identical laptops and 3 identical mobile phones. Each laptop cost \\$720 more than each mobile phone. What was the cost of one mobile phone?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 1 Q43",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "In a bakery, muffins were only sold in boxes. A box of 4 big muffins cost \\$11 and a box of 6 mini muffins cost \\$8. Jenny bought the same number of big muffins and mini muffins. What was the least possible amount of money she would have paid for the muffins?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q3",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{3}{9}\\)",
    "answer1": "\\(\\dfrac{3}{12}\\)",
    "answer2": "\\(\\dfrac{9}{12}\\)",
    "answer3": "\\(\\dfrac{9}{3}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q4",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Write \\(4\\dfrac{8}{25}\\) as a decimal.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q9",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Joyce bought \\(\\dfrac{2}{5}\\) m of red ribbon. She also bought a roll of yellow ribbon which was \\(\\dfrac{3}{4}\\) m longer than the red ribbon. How many metres of yellow ribbon did she buy?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 8022 is divided by 8?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Three factors of 16 are 1, 4 and 16. What are the other two factors of 16?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q14",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express \\(\\dfrac{10}{12}\\) in its simplest form.",
    "answer0": "\\(\\dfrac{5}{6}\\)",
    "answer1": "\\(\\dfrac{6}{5}\\)",
    "answer2": "\\(\\dfrac{6}{6}\\)",
    "answer3": "\\(\\dfrac{5}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q15",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write \\(2\\dfrac{3}{4}\\) as an improper fraction.",
    "answer0": "\\(\\dfrac{11}{4}\\)",
    "answer1": "\\(\\dfrac{4}{11}\\)",
    "answer2": "\\(\\dfrac{12}{4}\\)",
    "answer3": "\\(\\dfrac{11}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q16",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of \\(\\dfrac{3}{5}\\) + \\(\\dfrac{3}{7}\\) ? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{35}\\)",
    "answer1": "\\(1\\dfrac{2}{35}\\)",
    "answer2": "\\(2\\dfrac{1}{35}\\)",
    "answer3": "\\(1\\dfrac{1}{35}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange the following numbers in order from the greatest to the smallest. 0.102 , 0.021 , 0.201\n[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q19",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "PQRS is a rectangle. Find angle q.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q20",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The square has an area of 36 cm². Find the perimeter of the square.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows Aru's mass each year from 2014 to 2018. What was the difference in Aru's mass between 2015 and 2016?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Kelly has 2168 beads. Grace has 840 beads. How many beads must Kelly give to Grace so that they have an equal number of beads?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Muthu used 12.6 ℓ of red paint. Kim used 3.8 ℓ of red paint more than Muthu. How much red paint did Muthu and Kim use altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q28",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Tim and his brother took part in a 10-km run. They started running at 08 45. Tim took 2 h 20 min to complete the run while his brother was faster than him by 30 minutes. What time did Tim's brother complete the run? Give your answer using the 24-hour clock.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The bar graph shows the number of blueberry muffins sold by a stall over 5 weeks. The bar showing the number sold in Week 1 has not been drawn. What was the total number of blueberry muffins sold in Weeks 2 to 4?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The total number of blueberry muffins sold in Week 2 and Week 5 is 4 times the number of muffins sold in Week 1. Find the number of blueberry muffins sold in Week 1.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q31",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "2 similar plates cost as much as 3 similar bowls. George paid $60 for 4 such plates and 4 such bowls. How much must George pay if he buys only 5 bowls instead?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q32",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "\\(\\dfrac{4}{6}\\) of a number is 280. What is \\(\\dfrac{1}{3}\\) of the same number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Triangle A has a perimeter of 24.8 cm. Jensen used 2 such triangles and a square to form Figure K. Find the perimeter of Figure K.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Matt placed different numbers of blocks A and B on the weighing scales. Find the mass of block B. Express your answer as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In the figure, ABCD and BEFG are squares and BKLC is a rectangle. AK and DL are straight lines. Find angle a.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q36",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ahmad sold an equal number of apples and peaches. Each apple cost \\$2 while each peach cost \\$5. He collected a total of \\$756 from the sale of the fruits. (a) How many peaches were sold? (b) How much money was collected from the sales of apples?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The total age of Ben and his mother is 36 years old now. In 8 years' time, Ben's mother will be three times the age of Ben. What is Ben's age now?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q38",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the entrance fees for the Colourful Flower Exhibition. Adult: Weekday \\$13.90, Weekend \\$15.90. Child (3 to 12 years old): Weekday \\$6, Weekend \\$8. (a) On Saturday, Mr Chandra and his four-year-old child visited the exhibition. How much did Mr Chandra pay for the entrance fees altogether? (b) On Wednesday, Ms Sim brought a group of Primary 4 students. They paid a total of \\$241.90 to enter. How many students did Ms Sim bring?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q39",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure shows Marcus's backyard with 2 identical 8-m square ponds. (a) What is the total area of the two square ponds? (b) What is the remaining area of the empty space around the two ponds in the backyard?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Cheryl started cooking dinner at 17 35. She spent 1 h 10 min to cook the dinner. After that, she cleaned up her kitchen before having her dinner at 19 10. (a) How long did she take to clean up the kitchen? (b) After dinner, Cheryl watched a movie that lasted for 135 minutes. She finished watching the movie at 22 30. What time did she start watching the movie? Give your answer using the 12-hour clock.\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Lim had an equal number of coins in each of the 25 glass jars. The next day, she broke 3 of the jars filled with coins. She threw away the broken jars and placed all the coins from the broken jars into the remaining jars equally. As a result, the number of coins in each of the remaining jars increased by 15. What was the total number of coins Mrs Lim had?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q42",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mary kept some marbles in a box. \\(\\dfrac{1}{6}\\) of the marbles were blue and the rest were red. After Mary put another 140 blue marbles into the box, \\(\\dfrac{1}{2}\\) of the marbles in the box were blue. What was the total number of marbles in the box at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Semestral Assessment 2 Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Barry has a garden with an area of 216 m². It is made up of a rectangle and a square. The area of the rectangle is 5 times the area of the square. Barry wants to build a fence around part of his garden as indicated by the dotted line in the figure. Given that the breadth of the rectangle is 9 m, how many metres of fence does he need?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q1",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "(a) Write eighty-five thousand and twenty-one in numerals.<br>(b) In 21 435, which digit is in the hundreds place?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "(a) Round 24 568 to the nearest ten.<br>(b) Round 89 542 to the nearest thousand.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q3",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "(a) 1 and 15 are factors of 15. List the other two factors of 15.<br>(b) What is the first common multiple of 6 and 9?<br>[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q5",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following from the smallest to the greatest.<br>$$\\frac{3}{7}$$ , $$\\frac{2}{9}$$ , $$\\frac{3}{9}$$",
    "answer0": "\\(\\dfrac{2}{9}\\) , \\(\\dfrac{3}{9}\\) , \\(\\dfrac{3}{7}\\)",
    "answer1": "\\(\\dfrac{3}{7}\\) , \\(\\dfrac{3}{9}\\) , \\(\\dfrac{2}{9}\\)",
    "answer2": "\\(\\dfrac{3}{9}\\) , \\(\\dfrac{3}{7}\\) , \\(\\dfrac{2}{9}\\)",
    "answer3": "\\(\\dfrac{2}{9}\\) , \\(\\dfrac{3}{7}\\) , \\(\\dfrac{3}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q6",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "(a) Express $$\\frac{21}{8}$$ as a mixed number.<br>(b) Express $$4\\frac{5}{7}$$ as an improper fraction.",
    "answer0": "\\(2\\dfrac{5}{8}\\) , \\(\\dfrac{33}{7}\\)",
    "answer1": "\\(\\dfrac{33}{7}\\) , \\(2\\dfrac{5}{8}\\)",
    "answer2": "\\(\\dfrac{33}{7}\\) , \\(2\\dfrac{5}{8}\\)",
    "answer3": "\\(\\dfrac{33}{7}\\) , \\(2\\dfrac{5}{8}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express your answer as a mixed number in its simplest form.<br>$$\\frac{5}{6}$$ + $$\\frac{2}{3}$$",
    "answer0": "\\(1\\dfrac{1}{2}\\)",
    "answer1": "\\(1\\dfrac{2}{2}\\)",
    "answer2": "\\(2\\dfrac{1}{2}\\)",
    "answer3": "\\(1\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number is 21 300 when rounded to the nearest hundred. What could be the largest possible value for this number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Identify two fractions between $$\\frac{2}{3}$$ and $$\\frac{3}{4}$$. List them in their simplest forms.",
    "answer0": "\\(\\dfrac{25}{36}\\) , \\(\\dfrac{13}{18}\\)",
    "answer1": "\\(\\dfrac{13}{18}\\) , \\(\\dfrac{25}{36}\\)",
    "answer2": "\\(\\dfrac{13}{18}\\) , \\(\\dfrac{25}{36}\\)",
    "answer3": "\\(\\dfrac{13}{18}\\) , \\(\\dfrac{25}{36}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A bakery buys 1250 kg of flour every 2 months. It buys the same amount of flour each month.<br>(a) How much flour does the bakery buy each month?<br>(b) How much flour does the bakery buy in a year?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Jack and Bill had a total of \\$1730 in savings at first. After Jack donated \\$170 to charity, Bill had 3 times as much money as Jack. How much savings did Bill have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ms Tan bought 15 packets of stickers. Each packet contained 25 stickers. She kept 100 stickers for herself and gave the rest to 5 friends. Each friend received an equal number of stickers. How many stickers did each friend get?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q14",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "George had \\$108 and Trevor had \\$52. After each of them bought a calculator at the same price, George had five times as much money left as Trevor. What was the cost of the calculator?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2022 P4 Weighted Assessment 1 Q15",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "The cost of an adult ticket to a funfair was \\$8. The cost of a child ticket was \\$5. On a Monday, there were 50 visitors and \\$304 was collected altogether. How many more children than adults visited the funfair that day?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Four factors of 12 are 1, 2, 6 and 12. What are the other two factors of 12?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q14",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the following fractions are in the simplest form?<br>$$\\frac{2}{3}$$ , $$\\frac{10}{12}$$ , $$\\frac{3}{7}$$ , $$\\frac{6}{8}$$",
    "answer0": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{3}{7}\\)",
    "answer1": "\\(\\dfrac{3}{7}\\) , \\(\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{3}{7}\\) , \\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{3}{7}\\) , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q15",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{1}{3}$$ + $$\\frac{1}{12}$$",
    "answer0": "\\(\\dfrac{5}{12}\\)",
    "answer1": "\\(\\dfrac{12}{5}\\)",
    "answer2": "\\(\\dfrac{6}{12}\\)",
    "answer3": "\\(\\dfrac{5}{13}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q16",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of 1 - $$\\frac{3}{5}$$ - $$\\frac{1}{10}$$ .",
    "answer0": "\\(\\dfrac{3}{10}\\)",
    "answer1": "\\(\\dfrac{10}{3}\\)",
    "answer2": "\\(\\dfrac{4}{10}\\)",
    "answer3": "\\(\\dfrac{3}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write 5 thousandths as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q18",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 117.65 to the nearest whole number.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q19",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In the figure, name the smallest angle.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q20",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A square has an area of 64 cm². Find the length of the square.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the number of pets that students have at home.<br>How many students have more than 2 pets?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Xiao Hui had more than 10 and fewer than 40 candies. When she packed the candies in bags of 7, she was left with 2 candies. When she packed them in bags of 3, she had no candies left. How many candies did Xiao Hui have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q23",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Jeremy thought of a decimal number with 3 decimal places. When he rounded the number to the nearest hundredth, the value was 10.05. Find the greatest possible value of the decimal number Jeremy thought of.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The difference between the two numbers is 6.18. Given the larger number is 8.03, find the value of the smaller number.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A piece of wire is used to form a rectangle with an area of 120 cm². The breadth of the rectangle is 8 cm. Find the perimeter of the rectangle.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q28",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Yan Ling started reading at 4.20 p.m. She read for 1 h 35 min. What time did she stop reading?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the amount of flour bought by a bakery for 5 days. All the flour bought by the bakery was sold in packets of 5 kg. Each packet of flour cost $20. How much more money did the bakery pay for the flour on Day 5 than Day 3?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the entrance fees to the Singapore Zoo. On Sunday, Mr and Mrs Fong, their ten-year-old child and sixty-five-year-old mother visited the Singapore Zoo. How much did the family pay for the entrance fees altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q31",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Shop A has 50 apples more than Shop B. Shop A has twice as many apples as Shop C. Given that shops A, B and C have 250 apples altogether, how many apples does Shop C have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ramli spent $$\\frac{1}{3}$$ of his monthly salary on a television. He spent $$\\frac{2}{9}$$ of his salary on food and saved the rest. Given that Ramli saved $2392, how much did Ramli spend on food?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The total mass of 2 packets of sugar and 2 packets of flour was 6.54 kg. The mass of 1 packet of flour was twice as heavy as 1 packet of sugar. What was the mass of a packet of flour?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q34",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Patrick bought 4 cupcakes. He gave the cashier some money and received \\$3.60 as change. Given that each cupcake cost \\$2.85, how much did he give the cashier?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure shows a rectangle where $$\\angle a$$ is twice the size of $$\\angle b$$. Find $$\\angle a$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A total of 2590 adults and children attended a family event on one weekend. 1770 adults attended the event. The number of adults at the event was three times as many as the number of boys.<br>(a) How many children were there at the event?<br>(b) How many girls were at the event?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q38",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "At first, Mary had \\$166 and Larry had \\$304. Each of them bought 5 similar plates. Each of the plates they bought was of the same price. After buying the plates, Larry had 4 times as much money as Mary left.<br>(a) How much money did Mary have left after buying the 5 plates?<br>(b) What was the price of one plate?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q39",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The total mass of 3 children is 115.9 kg. John weighs twice as heavy as Amelia. Max is 8.4 kg heavier than John.<br>(a) What is Amelia's mass?<br>(b) What is the difference between Amelia's and Max's mass?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Casey used 2 identical rectangular tiles to form the figure.<br>(a) Find the area of the figure.<br>(b) Find the perimeter of the figure.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Lee started working on his project at 8.45 a.m. He took a 40-minute lunch break. Then, he continued working on the project till he finished it at 5.30 p.m.<br>(a) How long did Mr Lee spend working on his project?<br>(b) Mr Lee reached the gym at 5.45 p.m. He exercised for 1 hour 40 minutes before driving home. He reached home at 7.50 p.m. How long did he take to drive home?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Andrew has 1250 stickers and Ben has 490 stickers more than Andrew. Ben gave some of his stickers to Andrew. In the end, Ben had 626 stickers less than Andrew. How many stickers did Ben give to Andrew?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In a box, $$\\frac{1}{8}$$ of the marbles were blue. $$\\frac{7}{12}$$ of the marbles were red. There was an equal number of blue and green marbles in the box. The rest of the marbles were pink. There was a total of 581 green and pink marbles in the box. How many red marbles were there in the box?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2023 P4 Weighted Assessment 1 Q3",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "(a) Find the value of A on the number line. Express your answer as a mixed number in the simplest form. <br>(b) Arrange the following fractions in increasing order.<br>$$\\frac{9}{4}$$ , $$\\frac{7}{12}$$ , $$\\frac{5}{3}$$",
    "answer0": "\\(6\\dfrac{2}{3}\\) , \\(\\dfrac{7}{12}\\) , \\(\\dfrac{5}{3}\\) , \\(\\dfrac{9}{4}\\)",
    "answer1": "\\(\\dfrac{9}{4}\\) , \\(\\dfrac{5}{3}\\) , \\(\\dfrac{7}{12}\\) , \\(6\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{7}{12}\\) , \\(\\dfrac{5}{3}\\) , \\(\\dfrac{9}{4}\\) , \\(6\\dfrac{2}{3}\\)",
    "answer3": "\\(6\\dfrac{2}{3}\\) , \\(\\dfrac{5}{3}\\) , \\(\\dfrac{9}{4}\\) , \\(\\dfrac{7}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (4 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2023 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "(a) Express 0.85 as a fraction in its simplest form. <br>(b) Express $$\\frac{7}{25}$$ as a decimal.",
    "answer0": "\\(\\dfrac{17}{20}\\) , 0.28",
    "answer1": "0.28 , \\(\\dfrac{17}{20}\\)",
    "answer2": "0.28 , \\(\\dfrac{17}{20}\\)",
    "answer3": "0.28 , \\(\\dfrac{17}{20}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2023 P4 Weighted Assessment 2 Q9",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr Lim bought a shirt which cost \\$23.80 and a pair of pants which cost \\$49.70. He gave the cashier \\$100. How much change did he receive?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 End-of-Year Exam Q14",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express $$\\frac{14}{21}$$ in its simplest form.",
    "answer0": "\\(\\dfrac{2}{3}\\)",
    "answer1": "\\(\\dfrac{3}{2}\\)",
    "answer2": "\\(\\dfrac{3}{3}\\)",
    "answer3": "\\(\\dfrac{2}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2024 P4 End-of-Year Exam Q15",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$4\\frac{2}{5}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{22}{5}\\)",
    "answer1": "\\(\\dfrac{5}{22}\\)",
    "answer2": "\\(\\dfrac{23}{5}\\)",
    "answer3": "\\(\\dfrac{22}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2024 P4 End-of-Year Exam Q16",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$2-\\frac{1}{2}-\\frac{1}{8}$$",
    "answer0": "\\(1\\dfrac{3}{8}\\)",
    "answer1": "\\(1\\dfrac{4}{8}\\)",
    "answer2": "\\(2\\dfrac{3}{8}\\)",
    "answer3": "\\(1\\dfrac{2}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2024 P4 End-of-Year Exam Q21",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "George spent \\$590 on rent and \\$180 on food every month. How much money will he spend on rent and food in a year?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 End-of-Year Exam Q24",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Tan bought some meat for \\$12.55 and a bottle of chilli sauce for \\$3.70. She gave the cashier \\$20. How much change did Mrs Tan receive?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 End-of-Year Exam Q31",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Alice, Bella and Clara have a total of \\$1004. Alice has twice as much money as Bella. Clara has \\$190 less than Bella. How much money does Bella have?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 End-of-Year Exam Q38",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Ling had a sum of money. After spending $$\\frac{5}{8}$$ of her money on a laptop and a camera, she had \\$3087 left. (a) Find the amount of money that Mrs Ling had spent. (b) The laptop cost \\$130 more than the camera. Find the cost of the camera.<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Term 1 Review Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "(a) Round 50 185 to the nearest ten.<br>(b) Round 38 273 to the nearest hundred.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2024 P4 Term 1 Review Q4",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$\\frac{2}{3}$$ - $$\\frac{1}{6}$$<br>Give your answer as a fraction in the simplest form.",
    "answer0": "\\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{2}{1}\\)",
    "answer2": "\\(\\dfrac{2}{2}\\)",
    "answer3": "\\(\\dfrac{1}{3}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2024 P4 Term 1 Review Q6",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the greatest to the smallest.<br>$$\\frac{5}{12}$$ , $$\\frac{2}{3}$$ , $$\\frac{1}{2}$$",
    "answer0": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{12}\\)",
    "answer1": "\\(\\dfrac{5}{12}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{12}\\) , \\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{5}{12}\\) , \\(\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2024 P4 Term 1 Review Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the sum of all the common factors of 18 and 27.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Term 1 Review Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Andy placed identical rectangular tiles in a large rectangular frame. What fraction of the frame is not covered by rectangular tiles? Express your answer as a fraction in the simplest form.",
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{3}{1}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2024 P4 Term 1 Review Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There were 1476 adults and children at a stadium. There were 874 adults and 28 more boys than girls. How many girls were at the stadium?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Term 1 Review Q10",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Koh paid \\$285 for 1 bag and 5 purses. The bag cost \\$57 more than a purse. How much did she pay for each purse?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Term 1 Review Q11",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Tan bought 5 chairs and 9 tables for his office. Each chair costs \\$354. He paid a total of \\$5874. How much did he pay in total for the tables?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Term 1 Review Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Sherry bought the same amount of flour and sugar at first. After using 720 g of flour and 320 g of sugar, she had 6 times as much sugar as flour left. Find the amount of flour that she bought.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q1",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "(a) What is the product of 345 and 68.<br>(b) What is the remainder when 1042 is divided by 6?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A television costs $789. How much would 3 such television cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q3",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express $$\\frac{60}{9}$$ as a mixed number in its simplest form.",
    "answer0": "\\(6\\dfrac{2}{3}\\)",
    "answer1": "\\(6\\dfrac{3}{3}\\)",
    "answer2": "\\(7\\dfrac{2}{3}\\)",
    "answer3": "\\(6\\dfrac{1}{3}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q4",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What fraction of the figure is shaded? Express your answer in its simplest form.",
    "answer0": "\\(\\dfrac{3}{4}\\)",
    "answer1": "\\(\\dfrac{4}{3}\\)",
    "answer2": "\\(\\dfrac{4}{4}\\)",
    "answer3": "\\(\\dfrac{3}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the number of children in each family in a neighbourhood.<br>Number of children in each family: 0, 1, 2, 3, 4, 5<br>Number of families: 9, 16, 20, 25, 8, 3<br>How many families have more than 3 children?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Jacob has twice as much money as Asher while Caden has thrice as much money as Jacob. Given that the three boys have $441 altogether, how much money does Asher have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q7",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Cupcakes are sold in boxes of 3. Each box of cupcake cost \\$8. What is the greatest number of cupcakes that can be bought with \\$150?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions in order, from the smallest to the greatest.<br>$$1\\frac{1}{3}$$, $$\\frac{5}{6}$$, $$\\frac{3}{4}$$, $$\\frac{13}{12}$$",
    "answer0": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{5}{6}\\) , \\(\\dfrac{13}{12}\\) , \\(1\\dfrac{1}{3}\\)",
    "answer1": "\\(1\\dfrac{1}{3}\\) , \\(\\dfrac{13}{12}\\) , \\(\\dfrac{5}{6}\\) , \\(\\dfrac{3}{4}\\)",
    "answer2": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{13}{12}\\) , \\(1\\dfrac{1}{3}\\) , \\(\\dfrac{3}{4}\\)",
    "answer3": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{13}{12}\\) , \\(1\\dfrac{1}{3}\\) , \\(\\dfrac{5}{6}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (4 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "At first, John had 376 more cards than Alex. After John gave 25 cards to Alex, John had twice as many cards as Alex. How many cards did Alex have in the end?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Valerie baked some pineapple tarts. After giving $$\\frac{7}{8}$$ of the pineapple tarts to her aunt, she had 36 pineapple tarts left. How many pineapple tarts did Valerie bake?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The graph shows Jimmy's height when he was 8 to 13 years old.<br>What was the increase in his height between 10 to 11 years old?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A tailor used a total of 1455 blue, orange and brown buttons for his tailoring work. He used 360 more blue buttons than brown buttons. He used the same number of orange buttons as blue buttons. How many brown buttons did he use?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There were 14 rows of chairs in the hall. There were 28 chairs in each row, except the last row. There were 20 chairs in the last row. What was the total number of chairs in the hall?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Revision Q15",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Every month, Zoe spends $$\\frac{1}{3}$$ of her monthly salary on food, $$\\frac{5}{12}$$ of it on transport and saves the rest of her salary.<br>(a) What fraction of her salary does Zoe save every month?<br>(b) Given that Zoe saves $798 each month, how much does Zoe earn each month?",
    "answer0": "\\(\\dfrac{1}{4}\\) , $3192",
    "answer1": "$3192 , \\(\\dfrac{1}{4}\\)",
    "answer2": "$3192 , \\(\\dfrac{1}{4}\\)",
    "answer3": "$3192 , \\(\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A shop owner has 235 boxes of pens. There are 57 pens in each box. How many pens are there altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Q3",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "(a) Write $$3\\frac{5}{6}$$ as an improper fraction.<br>(b) Arrange the fraction in decreasing order.<br>$$\\frac{1}{3}$$ , $$\\frac{3}{5}$$ , $$\\frac{3}{7}$$",
    "answer0": "\\(\\dfrac{23}{6}\\) , \\(\\dfrac{3}{5}\\) , \\(\\dfrac{3}{7}\\) , \\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{1}{3}\\) , \\(\\dfrac{3}{7}\\) , \\(\\dfrac{3}{5}\\) , \\(\\dfrac{23}{6}\\)",
    "answer2": "\\(\\dfrac{3}{5}\\) , \\(\\dfrac{3}{7}\\) , \\(\\dfrac{1}{3}\\) , \\(\\dfrac{23}{6}\\)",
    "answer3": "\\(\\dfrac{23}{6}\\) , \\(\\dfrac{3}{7}\\) , \\(\\dfrac{1}{3}\\) , \\(\\dfrac{3}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (4 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Q4",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "(a) Find the value of $$\\frac{1}{5}+\\frac{3}{10}$$. Express your answer in the simplest form.<br>(b) Find the value of $$4-\\frac{3}{8}$$.",
    "answer0": "\\(\\dfrac{1}{2}\\) , \\(3\\dfrac{5}{8}\\)",
    "answer1": "\\(3\\dfrac{5}{8}\\) , \\(\\dfrac{1}{2}\\)",
    "answer2": "\\(3\\dfrac{5}{8}\\) , \\(\\dfrac{1}{2}\\)",
    "answer3": "\\(3\\dfrac{5}{8}\\) , \\(\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In a class of 36, $$\\frac{1}{4}$$ of the students wear spectacles. How many students wear spectacles?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the temperature from 8.00 a.m. to 6.00 p.m. on a particular day in Lagoon Island.<br>(a) What is the temperature in Lagoon Island at 4.00 p.m.?<br>(b) What is the increase in temperature between 10 a.m. to 12 p.m.?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "$$\\frac{1}{7}$$ of the box is filled with balls. After another 42 balls are put into the box, it became $$\\frac{3}{7}$$ filled. How many more balls are needed to fill the box completely?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ali, Bala and Cathy had a total of $1500. Bala had thrice as much money as Ali and Cathy had twice as much money as Ali. How much money did Bala and Cathy have altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "The graph shows the number of visitors at a carnival from Monday to Sunday. The number of visitors on Sunday was missing in the graph. The admission ticket for each visitor was \\$8.<br>(a) How much money was collected from the sale of admission tickets on Thursday?<br>(b) \\$4000 more was collected on Sunday than on Wednesday. How many visitors visited the Carnival on Sunday?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There was $$\\frac{11}{12}$$ $$l$$ of water in a tank. Dinesh used $$\\frac{1}{4}$$ $$l$$ to water his plants.<br>(a) How much water was left in the tank after he watered his plants?<br>(b) The next day, he added $$\\frac{5}{6}$$ $$l$$ of water into the tank. How much water was there in the tank in the end? Give your answer as a mixed number in the simplest form.",
    "answer0": "\\(\\dfrac{2}{3}\\) , \\(1\\dfrac{1}{2}\\)",
    "answer1": "\\(1\\dfrac{1}{2}\\) , \\(\\dfrac{2}{3}\\)",
    "answer2": "\\(1\\dfrac{1}{2}\\) , \\(\\dfrac{2}{3}\\)",
    "answer3": "\\(1\\dfrac{1}{2}\\) , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2024 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Stacy went shopping with some money. She spent $$\\frac{1}{3}$$ of her money on food and $40 on transport. She then had $$\\frac{2}{9}$$ of her money left. How much did she spend on food?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q16",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{2}{3}$$ + $$\\frac{2}{9}$$",
    "answer0": "\\(\\dfrac{8}{9}\\)",
    "answer1": "\\(\\dfrac{9}{8}\\)",
    "answer2": "\\(\\dfrac{9}{9}\\)",
    "answer3": "\\(\\dfrac{8}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q22",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The pie chart shows the favourite food of a group of children. $$\\frac{1}{2}$$ of the children chose nuggets as their favourite food.<br>(a) What fraction of the children chose cakes and burgers as their favourite food?<br>(b) How many children like burgers?",
    "answer0": "\\(\\dfrac{1}{4}\\) , 18",
    "answer1": "18 , \\(\\dfrac{1}{4}\\)",
    "answer2": "18 , \\(\\dfrac{1}{4}\\)",
    "answer3": "18 , \\(\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q24",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Toh had \\$33.60. After paying \\$7.80 for a packet of chocolate chip cookies, she had just enough money to buy 4 packets of butter cookies. How much did a packet of butter cookies cost?<br>\\$ [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The graph shows the number of bottle caps collected by 5 pupils for a Recycling Project.<br>(a) How many bottle caps did Sarah, Ahmad and Devi collect in total?<br>(b) Who collected twice the number of bottle caps as John?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q32",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Pears are sold at the prices shown.<br>1 pear: \\$1<br>1 bag of 4 pears: \\$3<br>1 box of 10 pears: \\$6<br>Claire wants to buy 16 pears for a class party. What is the least amount of money she needs to pay for the pears?<br>\\$ [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q33",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{4}{7}$$ kg of flour is needed to bake 6 buns. Melvin has 3 kg of flour and he baked 12 buns. How much flour does he have left?<br> kg",
    "answer0": "\\(1\\dfrac{6}{7}\\)",
    "answer1": "\\(1\\dfrac{7}{7}\\)",
    "answer2": "\\(2\\dfrac{6}{7}\\)",
    "answer3": "\\(1\\dfrac{5}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ali bought 455 boxes of pens. Each box contained 12 pens.<br>(a) How many pens did Ali buy altogether?<br>(b) Ali repacked the pens into packets of 8. How many pens were left unpacked?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Fatimah and Ben had 828 stamps altogether. After Fatimah gave 68 stamps to Ben, Ben had three times as many stamps as Fatimah.<br>(a) How many stamps did Fatimah have in the end?<br>(b) How many stamps did Ben have at first?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q38",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Chan bought a wallet, a belt and a shirt. The wallet cost twice as much as the belt. The shirt cost \\$6 less than the belt. He paid \\$90.80 in total.<br>(a) How much did the belt cost?<br>(b) How much did the wallet cost?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Samantha started doing her homework at 15 35. She took 1 h 5 min to complete her homework. After that, she swam till 18 10.<br>(a) How long did she swim? Give your answer in hours and minutes.<br>(b) Ken started doing his homework 50 minutes before Samantha started doing her homework. He took 1 h 25 min to complete. What time did he finish his homework? Give your answer using the 12-hour clock.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q41",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Lisa spent $$\\frac{4}{7}$$ of her money on a mobile phone and \\$65 on a set of earphones. She had \\$190 left in the end. How much did the mobile phone cost?<br>\\$ [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2025 P4 End-of-Year Exam Q42",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Cheryl had \\$1253 and Fiona had \\$845. After each of them bought a bag at the same price, Cheryl had 5 times as much money as Fiona.<br>(a) How much more money does Cheryl have than Fiona at first?<br>(b) What was the cost of the bag?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Henry Park 2025 P4 Weighted Assessment 1 Q2",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "a) In the number line, what is the value represented by A?<br><br>b) What is the missing number in the box? $$\\frac{3}{7} = \\frac{}{14}$$",
    "answer0": "\\(4\\dfrac{2}{5}\\) , 6",
    "answer1": "6 , \\(4\\dfrac{2}{5}\\)",
    "answer2": "6 , \\(4\\dfrac{2}{5}\\)",
    "answer3": "6 , \\(4\\dfrac{2}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2025 P4 Weighted Assessment 1 Q3",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "a) Write $$\\frac{18}{5}$$ as a mixed number.<br><br>b) Write $$5\\frac{5}{9}$$ as an improper fraction.",
    "answer0": "\\(3\\dfrac{3}{5}\\) , \\(\\dfrac{50}{9}\\)",
    "answer1": "\\(\\dfrac{50}{9}\\) , \\(3\\dfrac{3}{5}\\)",
    "answer2": "\\(\\dfrac{50}{9}\\) , \\(3\\dfrac{3}{5}\\)",
    "answer3": "\\(\\dfrac{50}{9}\\) , \\(3\\dfrac{3}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2025 P4 Weighted Assessment 1 Q4",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "a) Arrange the following fractions in decreasing order.<br>$$\\frac{3}{4}$$ , $$\\frac{1}{3}$$ , $$\\frac{7}{12}$$<br> ,  , <br>b) Find the value of $$3 - \\frac{5}{6}$$",
    "answer0": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{7}{12}\\) , \\(\\dfrac{1}{3}\\) , \\(2\\dfrac{1}{6}\\)",
    "answer1": "\\(2\\dfrac{1}{6}\\) , \\(\\dfrac{1}{3}\\) , \\(\\dfrac{7}{12}\\) , \\(\\dfrac{3}{4}\\)",
    "answer2": "\\(\\dfrac{7}{12}\\) , \\(\\dfrac{1}{3}\\) , \\(2\\dfrac{1}{6}\\) , \\(\\dfrac{3}{4}\\)",
    "answer3": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{1}{3}\\) , \\(2\\dfrac{1}{6}\\) , \\(\\dfrac{7}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (4 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Henry Park 2025 P4 Weighted Assessment 1 Q5",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Cookies are sold in packets of 6. Each packet of cookies costs \\$5. Mdm Rani bought a total of 72 cookies altogether. How much did she pay?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2025 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "At first, Dan had the same amount of money as Evan. After Dan spent \\$480, Evan had three times as much money as Dan.<br>a) How much did Dan have in the end?<br>\\$[?]<br>b) How much did Dan have at first?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2025 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mr Lee bought $$\\frac{1}{4}$$ kg of rice. He bought $$\\frac{2}{5}$$ kg more flour than rice. How many kilograms of rice and flour did Mr Lee buy altogether? Express your answer in its simplest form.",
    "answer0": "\\(\\dfrac{9}{10}\\)",
    "answer1": "\\(\\dfrac{10}{9}\\)",
    "answer2": "\\(\\dfrac{10}{10}\\)",
    "answer3": "\\(\\dfrac{9}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Henry Park 2025 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": null,
    "answer1": "\\(4\\dfrac{7}{10}\\)",
    "answer2": "\\(4\\dfrac{3}{4}\\)",
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Henry Park 2025 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "James had 3 times as much money as Sally at first. When Mrs Lee gave \\$7.20 to James and \\$22.50 to Sally, both James and Sally had the same amount of money.<br>(a) Find the amount of money Sally had at first.<br>(b) Find the amount of money James had at first.<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q4",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "How many sevenths are there in \\(4\\dfrac{5}{7}\\)?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q5",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Which one of the following is an equivalent fraction of \\(\\dfrac{4}{9}\\)?",
    "answer0": "\\(\\dfrac{13}{36}\\)",
    "answer1": "\\(\\dfrac{13}{45}\\)",
    "answer2": "\\(\\dfrac{16}{81}\\)",
    "answer3": "\\(\\dfrac{36}{81}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q12",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "How many more hearts must be shaded so that \\(\\dfrac{3}{5}\\) of the set is shaded?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q16",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Dan had \\$20. He bought a book for \\$17.80 and the cashier gave him the change in twenty-cent coins. How many twenty-cent coins did Dan receive?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q19",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "In the library, \\(\\dfrac{1}{6}\\) of the children borrowed English books. \\(\\dfrac{1}{3}\\) of the children borrowed Chinese books. The remaining 12 children borrowed Science books. How many children were at the library?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q24",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the fractions in order, beginning with the greatest. \\(\\dfrac{1}{3}\\) , \\(\\dfrac{3}{5}\\) , \\(\\dfrac{3}{7}\\)",
    "answer0": "\\(\\dfrac{3}{5}\\) , \\(\\dfrac{3}{7}\\) , \\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{1}{3}\\) , \\(\\dfrac{3}{7}\\) , \\(\\dfrac{3}{5}\\)",
    "answer2": "\\(\\dfrac{3}{7}\\) , \\(\\dfrac{1}{3}\\) , \\(\\dfrac{3}{5}\\)",
    "answer3": "\\(\\dfrac{3}{5}\\) , \\(\\dfrac{1}{3}\\) , \\(\\dfrac{3}{7}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q25",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the mixed number that is exactly halfway between \\(\\dfrac{11}{7}\\) and \\(\\dfrac{13}{7}\\)?",
    "answer0": "\\(1\\dfrac{5}{7}\\)",
    "answer1": "\\(1\\dfrac{6}{7}\\)",
    "answer2": "\\(2\\dfrac{5}{7}\\)",
    "answer3": "\\(1\\dfrac{4}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q33",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the missing fraction in the box? Express your answer in its simplest form.",
    "answer0": "\\(\\dfrac{1}{12}\\)",
    "answer1": "\\(\\dfrac{12}{1}\\)",
    "answer2": "\\(\\dfrac{2}{12}\\)",
    "answer3": "\\(\\dfrac{1}{13}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q34",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "In a class of 39 pupils, \\(\\dfrac{1}{3}\\) of them can swim. How many pupils cannot swim? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q38",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "A jug contained some juice. Mother added \\(\\dfrac{3}{5}\\) l of juice into the jug. Xavier drank \\(\\dfrac{1}{2}\\) l of the juice from the jug. There was \\(\\dfrac{4}{5}\\) l of juice left in the jug in the end. How much juice was there in the jug at first?",
    "answer0": "\\(\\dfrac{7}{10}\\)",
    "answer1": "\\(\\dfrac{10}{7}\\)",
    "answer2": "\\(\\dfrac{8}{10}\\)",
    "answer3": "\\(\\dfrac{7}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q39",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "A box containing 5 magazines has a total mass of \\(\\dfrac{8}{9}\\) kg. The same box containing 10 such magazines weighs \\(1\\dfrac{4}{9}\\) kg. What is the total mass of the box and 15 magazines? Express your answer in mixed number. [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q41",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The total cost of a bookshelf and study table is \\$3500. The study table cost \\$720 more than the bookshelf. (a) What is the cost of the bookshelf? (b) A sofa cost twice as much as the bookshelf. What is the total cost of the bookshelf, study table and sofa? [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q42",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "At a bakery, \\(\\dfrac{1}{2}\\) of the tarts were chocolate flavoured, \\(\\dfrac{1}{8}\\) of the tarts were vanilla flavoured and the rest were strawberry flavoured. There were 234 fewer strawberry tarts than chocolate tarts. (a) What fraction of the tarts were strawberry flavoured? (b) How many tarts were there in the bakery?",
    "answer0": "\\(\\dfrac{3}{8}\\) , 1872",
    "answer1": "1872 , \\(\\dfrac{3}{8}\\)",
    "answer2": "1872 , \\(\\dfrac{3}{8}\\)",
    "answer3": "1872 , \\(\\dfrac{3}{8}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q45",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr Wallace and Mrs Zee bought washing powder from a shop. The prices are: 1 box for \\$1.95; or buy three boxes AND get one box free for a total of \\$5.60. (a) Mr Wallace bought 2 boxes of washing powder from the shop. How much did he pay in all? (b) Mrs Zee needed 13 boxes of washing powder. What is the least amount of money she spent to purchase the washing powder from the shop? [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q3",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{3}{6}\\)",
    "answer1": "\\(\\dfrac{5}{7}\\)",
    "answer2": "\\(\\dfrac{6}{9}\\)",
    "answer3": "\\(\\dfrac{2}{10}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q4",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{4}{5}\\)",
    "answer1": "\\(\\dfrac{5}{4}\\)",
    "answer2": "\\(\\dfrac{4}{9}\\)",
    "answer3": "\\(\\dfrac{5}{9}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q5",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{1}{8}\\)",
    "answer1": "\\(\\dfrac{1}{10}\\)",
    "answer2": "\\(\\dfrac{4}{5}\\)",
    "answer3": "\\(\\dfrac{2}{25}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q15",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "On which day was the number of bottles collected \\(\\dfrac{3}{5}\\) of the number collected on Friday?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q18",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Cindy had an equal number of red and yellow beads at first. She gave away 50 beads. She had \\(\\dfrac{1}{3}\\) of the red beads and \\(\\dfrac{5}{6}\\) of the yellow beads left. How many more yellow beads than red beads did she have in the end?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q25",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "\\(\\dfrac{5}{6}\\) = [?]/18. What is the missing number in the box?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q27",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Arrange the following numbers from the smallest to the greatest. \\(\\dfrac{2}{5}\\) , 0.502 , 0.052 [?] , [?] , [?]",
    "answer0": null,
    "answer1": "\\(\\dfrac{2}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q37",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The bracelet shows the number of beads left after the string broke. Six black beads went missing. What fraction of the beads went missing? Write your answer in the simplest form.",
    "answer0": "\\(\\dfrac{2}{5}\\)",
    "answer1": "\\(\\dfrac{5}{2}\\)",
    "answer2": "\\(\\dfrac{3}{5}\\)",
    "answer3": "\\(\\dfrac{2}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q40",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The line graph shows the number of parcels delivered by Terry in a week. Terry earns \\$1 for each parcel delivered. For every 50 parcels delivered in a week, Terry earns an additional bonus of \\$5. How much did Terry earn in this week? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q42",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mary used some ribbons to complete an art work. She used \\(\\dfrac{1}{4}\\) m of the ribbon on the first day. She used \\(\\dfrac{5}{8}\\) m more ribbon on the second day than on the first day. Find the total length of ribbon she used on the two days. Express your answer as a mixed number in its simplest form.",
    "answer0": "\\(1\\dfrac{1}{8}\\)",
    "answer1": "\\(1\\dfrac{2}{8}\\)",
    "answer2": "\\(2\\dfrac{1}{8}\\)",
    "answer3": "\\(1\\dfrac{1}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2022 P4 Semestral Assessment 2 Q45",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "4 files and 2 writing pads cost \\$11.60. 8 files and 6 writing pads cost \\$26. What is the cost of 1 writing pad? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2023 P4 End of Year Exam Q29",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two fractions are in the simplest form?<br>$$\\frac{3}{9}$$, $$\\frac{2}{5}$$, $$\\frac{2}{6}$$, $$\\frac{3}{8}$$<br> and",
    "answer0": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{3}{8}\\)",
    "answer1": "\\(\\dfrac{3}{8}\\) , \\(\\dfrac{2}{5}\\)",
    "answer2": "\\(\\dfrac{3}{8}\\) , \\(\\dfrac{2}{5}\\)",
    "answer3": "\\(\\dfrac{3}{8}\\) , \\(\\dfrac{2}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2023 P4 End of Year Exam Q42",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "At a bakery, muffins are sold at these prices: 1 for \\$1.40, 6 for \\$5.70, 10 for \\$8.90. Nareen wants to order 57 muffins for a birthday party. What is the least amount of money she will need to pay for the muffins?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There were some sweets in a box. Evelyn took $$\\frac{5}{8}$$ of the sweets and Nigel took the rest. Evelyn took 76 more sweets than Nigel.<br>(a) What fraction of the sweets did Nigel take?<br>(b) How many sweets were in the box at first?<br>(a) <br>(b)",
    "answer0": "\\(\\dfrac{3}{8}\\) , 304",
    "answer1": "304 , \\(\\dfrac{3}{8}\\)",
    "answer2": "304 , \\(\\dfrac{3}{8}\\)",
    "answer3": "304 , \\(\\dfrac{3}{8}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2023 P4 End of Year Exam Q44",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "John and Peter had a total of \\$540. After John gave Peter \\$40, he had five times as much money as Peter.<br>(a) How much money did Peter have in the end?<br>(b) How much money did John have at first?<br>(a) [?]<br>(b) [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2023 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions in increasing order.<br>$$\\frac{3}{4}$$, $$\\frac{1}{2}$$, $$\\frac{5}{8}$$",
    "answer0": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{8}\\) , \\(\\dfrac{3}{4}\\)",
    "answer1": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{5}{8}\\) , \\(\\dfrac{1}{2}\\)",
    "answer2": "\\(\\dfrac{5}{8}\\) , \\(\\dfrac{3}{4}\\) , \\(\\dfrac{1}{2}\\)",
    "answer3": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{3}{4}\\) , \\(\\dfrac{5}{8}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2023 P4 Weighted Assessment 2 Q9",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$1 - \\frac{7}{12} - \\frac{1}{6}$$. Express your answer in the simplest form.",
    "answer0": "\\(\\dfrac{1}{4}\\)",
    "answer1": "\\(\\dfrac{4}{1}\\)",
    "answer2": "\\(\\dfrac{2}{4}\\)",
    "answer3": "\\(\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2023 P4 Weighted Assessment 2 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Tan had 30 kg of flour. She used 10 kg of flour to make a cake. From the amount of flour left, she gave $$\\frac{1}{5}$$ of it to her sister. How much flour did she give to her sister?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2023 P4 Weighted Assessment 2 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A square piece of paper is folded as shown. Find $$\\angle x$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2023 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mary bought a bag of apples. She gave $$\\frac{4}{9}$$ of the apples to her uncle and $$\\frac{1}{3}$$ of them to her neighbour. In the end, she had 6 apples left. How many apples did Mary have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2023 P4 Weighted Assessment 2 Q13",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Helen prepared 18 $$l$$ of orange juice and mango juice in the morning. $$\\frac{5}{6}$$ of it was orange juice and the rest was mango juice. Her children drank $$\\frac{7}{8}$$ $$l$$ of mango juice in the afternoon.<br>(a) How much mango juice did Helen prepare?<br>(b) How much mango juice was left?<br>[?] , [?]",
    "answer0": null,
    "answer1": "\\(2\\dfrac{1}{8}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 59 940 to the nearest hundred.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q20",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{4}{5}$$ + $$\\frac{3}{10}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{10}\\)",
    "answer1": "\\(1\\dfrac{2}{10}\\)",
    "answer2": "\\(2\\dfrac{1}{10}\\)",
    "answer3": "\\(1\\dfrac{1}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write the decimal represented by A.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the value of 5.63 × 9\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Gopal had a sum of money. She spent $$\\frac{2}{9}$$ of it to buy a sofa and $$\\frac{4}{9}$$ of it to buy a television. She had $1500 left. How much money did she have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q28",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following numbers from the smallest to the greatest.<br>1.203 , $$1\\frac{3}{50}$$ , $$\\frac{32}{20}$$ , 1.302",
    "answer0": "\\(1\\dfrac{3}{50}\\) , 1.203 , 1.302 , \\(\\dfrac{32}{20}\\)",
    "answer1": "\\(\\dfrac{32}{20}\\) , 1.302 , 1.203 , \\(1\\dfrac{3}{50}\\)",
    "answer2": "1.203 , 1.302 , \\(\\dfrac{32}{20}\\) , \\(1\\dfrac{3}{50}\\)",
    "answer3": "\\(1\\dfrac{3}{50}\\) , 1.302 , \\(\\dfrac{32}{20}\\) , 1.203",
    "correct_answer": 0,
    "note": "multi-answer ordering (4 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Janice mixed 5 $$ℓ$$ of orange juice with 2 $$ℓ$$ of carrot juice to make fruit punch. Then, she poured the fruit punch into 4 jugs. How many litres of fruit punch was in each jug?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q31",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "2 beakers of water are shown. What is the total amount of water in the 2 beakers? Express your answer in litres.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Wayne arrived in school at 7.05 am. He realised his watch was 20 minutes slower than the actual time. He took 35 minutes to travel from his house to school. What was the actual time he left his house?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The diagram shows two identical squares ABCD and EFGC. What is the size of ∠DCG?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A rectangular piece of coloured paper was folded to form the shape. Find the perimeter of the paper before it was folded.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ali and Bala have 274 pencils altogether. Ali and Jane have 618 pencils altogether. Jane has 9 times as many pencils as Bala. How many pencils does Bala have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mdm Suhana baked some cupcakes. The number of cupcakes is greater than 25 but fewer than 50. If she packed the cupcakes in boxes of 4, she would have 1 cupcake left. If she packed the cupcakes in boxes of 5, she would have no remainder.<br>(a) How many cupcakes did Mdm Suhana bake?<br>(b) What is the least number of additional cupcakes she should bake so that she could pack the cupcakes in boxes of 3 with no leftover?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q38",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Aini, Kathy and Mandy formed a team to complete a 4-km race. Aini ran $$\\frac{3}{4}$$ km. The distance Aini ran was $$\\frac{2}{3}$$ km shorter than the distance run by Kathy. The rest of the race was run by Mandy.<br>(a) What was the distance completed by Kathy?<br>(b) What was the distance completed by Mandy? Express your answer as a mixed number in its simplest form.",
    "answer0": "\\(1\\dfrac{5}{12}\\) , \\(1\\dfrac{5}{6}\\)",
    "answer1": "\\(1\\dfrac{5}{6}\\) , \\(1\\dfrac{5}{12}\\)",
    "answer2": "\\(1\\dfrac{5}{6}\\) , \\(1\\dfrac{5}{12}\\)",
    "answer3": "\\(1\\dfrac{5}{6}\\) , \\(1\\dfrac{5}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q39",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Tan bought a watch and a bag. The watch cost 4 times as much as the bag. The bag cost \\$89.70 less than the watch. Mrs Tan paid the cashier two \\$100 notes. How much change did she receive?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The pie chart shows the type of sports that pupils in a school like. Volleyball is liked by 176 pupils.<br>(a) $$\\frac{1}{8}$$ of the pupils like volleyball. How many pupils are there in the school?<br>(b) How many pupils like basketball?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of a square W and three rectangles X, Y and Z. Rectangle Y and Rectangle Z are identical. Rectangle Y has a breadth of 9 cm. The area of Square W is 49 cm². What is the area of Rectangle X?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Beth, Joan and Sandra have ribbons of different lengths. Joan's ribbon is 34 cm shorter than Beth's ribbon. Sandra's ribbon is 20 cm longer than Beth's ribbon. The 3 girls have 268 cm of ribbon altogether. What is the length of Beth's ribbon?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 End-of-Year Exam Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Jack had some stickers. Ben had 470 stickers more than Jack. Ben then gave 735 stickers to Jack. In the end, Jack had 5 times as many stickers as Ben. How many stickers did Ben have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "List all the common factors of 18 and 42.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The bar graph shows the number of strollers sold from August to December.<br>What is the total number of strollers sold from September to November?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number is 87 000 when rounded to the nearest 1000.<br>What is the smallest possible number?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Bernice bought some fruit tarts to give to her cousins.<br>When she gave 6 fruit tarts to each cousin, she would have 2 fruit tarts remaining.<br>When she gave 7 fruit tarts to each cousin, she would be short of 6 fruit tarts.<br>How many cousins did Bernice have?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Yasmin had twice as many cards as Xenia at first.<br>After Yasmin gave Xenia 26 cards, Yasmin had 40 more cards than Xenia in the end.<br>How many cards did Yasmin have at first?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Janice has twice as many stickers as Cathy.<br>Alicia has thrice as many stickers as Janice.<br>Janice has 72 fewer stickers than Alicia.<br>How many more stickers does Alicia have than Cathy?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2024 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the fractions in increasing order.<br>$$\\frac{7}{3}$$, $$\\frac{5}{6}$$, $$2\\frac{1}{4}$$",
    "answer0": "\\(\\dfrac{5}{6}\\) , \\(2\\dfrac{1}{4}\\) , \\(\\dfrac{7}{3}\\)",
    "answer1": "\\(\\dfrac{7}{3}\\) , \\(2\\dfrac{1}{4}\\) , \\(\\dfrac{5}{6}\\)",
    "answer2": "\\(2\\dfrac{1}{4}\\) , \\(\\dfrac{7}{3}\\) , \\(\\dfrac{5}{6}\\)",
    "answer3": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{7}{3}\\) , \\(2\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2024 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the sum of $$\\frac{9}{10}$$ and $$\\frac{4}{5}$$. Express your answer as a mixed number in its simplest form.",
    "answer0": "\\(1\\dfrac{7}{10}\\)",
    "answer1": "\\(1\\dfrac{8}{10}\\)",
    "answer2": "\\(2\\dfrac{7}{10}\\)",
    "answer3": "\\(1\\dfrac{6}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2024 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Annie and Betty had $$\\frac{1}{2}$$ m of cloth. Betty and Cathy had $$\\frac{3}{4}$$ m of cloth. Annie, Betty and Cathy had $$\\frac{4}{5}$$ m of cloth altogether. How much cloth did Betty have? Express your answer in its simplest form.<br> m",
    "answer0": "\\(\\dfrac{9}{20}\\)",
    "answer1": "\\(\\dfrac{20}{9}\\)",
    "answer2": "\\(\\dfrac{10}{20}\\)",
    "answer3": "\\(\\dfrac{9}{21}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2024 P4 Weighted Assessment 2 Q13",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There was 4 $$\\ell$$ of water in a container. Raju used $$\\frac{1}{6}$$ $$\\ell$$ of water in the morning. Raju used another $$\\frac{1}{4}$$ $$\\ell$$ of water in the afternoon.<br>(a) What was the total amount of water used by Raju? Express your answer as a fraction in the simplest form.<br> $$\\ell$$<br>(b) How much water was left in the container? Express your answer as a mixed number in the simplest form.<br> $$\\ell$$",
    "answer0": "\\(\\dfrac{5}{12}\\) , \\(3\\dfrac{7}{12}\\)",
    "answer1": "\\(3\\dfrac{7}{12}\\) , \\(\\dfrac{5}{12}\\)",
    "answer2": "\\(3\\dfrac{7}{12}\\) , \\(\\dfrac{5}{12}\\)",
    "answer3": "\\(3\\dfrac{7}{12}\\) , \\(\\dfrac{5}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2025 P4 End-of-Year Exam Q19",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are smaller than $$\\frac{1}{2}$$ ?<br>$$\\frac{7}{12}$$ , $$\\frac{3}{7}$$ , $$\\frac{2}{5}$$ , $$\\frac{5}{10}$$<br> and",
    "answer0": "\\(\\dfrac{3}{7}\\) , \\(\\dfrac{2}{5}\\)",
    "answer1": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{3}{7}\\)",
    "answer2": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{3}{7}\\)",
    "answer3": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{3}{7}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2025 P4 End-of-Year Exam Q20",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{5}{6}$$ − $$\\frac{2}{3}$$ ?",
    "answer0": "\\(\\dfrac{1}{6}\\)",
    "answer1": "\\(\\dfrac{6}{1}\\)",
    "answer2": "\\(\\dfrac{2}{6}\\)",
    "answer3": "\\(\\dfrac{1}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2025 P4 End-of-Year Exam Q28",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange these numbers in decreasing order.<br>$$\\frac{84}{100}$$ , 0.8 , 0.804 , $$\\frac{84}{10}$$",
    "answer0": "\\(\\dfrac{84}{10}\\) , \\(\\dfrac{84}{100}\\) , 0.804 , 0.800",
    "answer1": "0.800 , 0.804 , \\(\\dfrac{84}{100}\\) , \\(\\dfrac{84}{10}\\)",
    "answer2": "\\(\\dfrac{84}{100}\\) , 0.804 , 0.800 , \\(\\dfrac{84}{10}\\)",
    "answer3": "\\(\\dfrac{84}{10}\\) , 0.804 , 0.800 , \\(\\dfrac{84}{100}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (4 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2025 P4 End-of-Year Exam Q30",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the amount of money Mr Tan spent in the month of June. The amount of money spent on leisure is not shown. Food \\$680 , Leisure ? , Transport \\$240. Mr Tan spent \\$300 more on food than on leisure. What was his total spending?<br>$$$$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2025 P4 End-of-Year Exam Q36",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Jun Hao has \\$50. He has \\$16 less than Sue. Li Ann has 3 times as much money as Sue. How much money do they have in all?<br>$$$$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2025 P4 End-of-Year Exam Q38",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Jenny has 2 kg of flour. She used $$\\frac{3}{8}$$ kg of the flour to bake a cake. She used $$\\frac{1}{4}$$ kg of the flour to bake some cookies.<br>(a) How much flour did she use to bake the cake and the cookies altogether?<br><br>(b) How much flour did she have left? Express your answer as a mixed number.",
    "answer0": "\\(\\dfrac{5}{8}\\) , \\(1\\dfrac{3}{8}\\)",
    "answer1": "\\(1\\dfrac{3}{8}\\) , \\(\\dfrac{5}{8}\\)",
    "answer2": "\\(1\\dfrac{3}{8}\\) , \\(\\dfrac{5}{8}\\)",
    "answer3": "\\(1\\dfrac{3}{8}\\) , \\(\\dfrac{5}{8}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Maha Bodhi 2025 P4 End-of-Year Exam Q39",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "2 sandwiches and 2 drinks cost \\$9.30. 3 sandwiches and 1 drink cost \\$10.15. What is the cost of 1 sandwich?<br>$$$$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2025 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The line graph shows Alice's savings from August to November.<br>(a) How much did she save in November? Ans: \\$\\$\\$[?]<br>(b) Alice earns the same amount of salary every month. In which month did she spend the most? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2025 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Sarah sold a total of 20 bowls and plates for \\$86. Each bowl was sold at \\$5 and each plate was sold at \\$3. How many bowls did Sarah sell? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2025 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Siti spent a total of \\$1400 on a bookshelf, a table and a chair. The bookshelf cost \\$630. The table cost \\$500 more than the chair.<br>(a) How much did she spend on the table and the chair altogether?<br>(b) How much did she spend on the chair? [?] [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maha Bodhi 2025 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the mixed number represented by the letter A on the number line?",
    "answer0": "\\(3\\dfrac{4}{5}\\)",
    "answer1": "\\(3\\dfrac{5}{5}\\)",
    "answer2": "\\(4\\dfrac{4}{5}\\)",
    "answer3": "\\(3\\dfrac{3}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2025 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$\\frac{1}{3} + \\frac{1}{9}$$.",
    "answer0": "\\(\\dfrac{4}{9}\\)",
    "answer1": "\\(\\dfrac{9}{4}\\)",
    "answer2": "\\(\\dfrac{5}{9}\\)",
    "answer3": "\\(\\dfrac{4}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maha Bodhi 2025 P4 Weighted Assessment 2 Q13",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mrs Goh had some tea. She poured $$\\frac{2}{5}$$ $$\\ell$$ of it into a jug. She then poured the remaining amount of tea into 2 equal cups. Each cup contained $$\\frac{3}{10}$$ $$\\ell$$ less amount of tea than the amount of tea in the jug. (a) How much tea did she pour into each cup? (b) How much tea did she make? Express your answer in its simplest form.",
    "answer0": "\\(\\dfrac{1}{10}\\) , \\(\\dfrac{3}{5}\\)",
    "answer1": "\\(\\dfrac{3}{5}\\) , \\(\\dfrac{1}{10}\\)",
    "answer2": "\\(\\dfrac{3}{5}\\) , \\(\\dfrac{1}{10}\\)",
    "answer3": "\\(\\dfrac{3}{5}\\) , \\(\\dfrac{1}{10}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q2",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{4}{5}\\)",
    "answer1": "\\(\\dfrac{4}{8}\\)",
    "answer2": "\\(\\dfrac{4}{9}\\)",
    "answer3": "\\(\\dfrac{5}{9}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q5",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{3}{4}\\)",
    "answer1": "\\(1\\dfrac{1}{3}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q8",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Peter bought one bottle of oil. He used \\(\\dfrac{2}{3}\\) of the bottle of oil to fry some chicken wings and \\(\\dfrac{1}{12}\\) of it to bake muffins. How much oil was left in the bottle?",
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{1}{4}\\)",
    "answer2": "\\(\\dfrac{3}{4}\\)",
    "answer3": "\\(\\dfrac{7}{12}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q10",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Express \\(7\\dfrac{3}{20}\\) as a decimal.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 35 620 to the nearest hundred.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q18",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write \\(\\dfrac{17}{4}\\) as a mixed number.",
    "answer0": "\\(4\\dfrac{1}{4}\\)",
    "answer1": "\\(4\\dfrac{2}{4}\\)",
    "answer2": "\\(5\\dfrac{1}{4}\\)",
    "answer3": "\\(4\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q19",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write the decimal represented by A.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q20",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange the following numbers from the smallest to the greatest. 3902, 3092, 3920\n[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q22",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "\\(\\dfrac{3}{5}\\) − \\(\\dfrac{2}{10}\\)",
    "answer0": "\\(\\dfrac{2}{5}\\)",
    "answer1": "\\(\\dfrac{5}{2}\\)",
    "answer2": "\\(\\dfrac{3}{5}\\)",
    "answer3": "\\(\\dfrac{2}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 4013 is divided by 6?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q25",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the greatest to the smallest. \\(\\dfrac{2}{3}\\), \\(\\dfrac{1}{2}\\), \\(\\dfrac{5}{6}\\)",
    "answer0": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{2}{3}\\) , \\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{2}{3}\\) , \\(\\dfrac{5}{6}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{6}\\)",
    "answer3": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q26",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The area of a rectangle is 48 cm². The length of the rectangle is 8 cm. What is the breadth of the rectangle?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "When a number with 1 decimal place is rounded to the nearest whole number, the answer is 89. What is the greatest possible number? What is the smallest possible number?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q28",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the number of boys and girls in two Primary 4 classes who wear or do not wear spectacles. How many boys from both classes wear spectacles? How many girls from Primary 4A do not wear spectacles?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "ABCD is a rectangle. ∠ADE = ∠EDF = ∠FDC. Find ∠ADE.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q31",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The perimeter of a square is 72 cm. What is the area of the square?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Tan took 15 minutes to walk home from the supermarket. She left the supermarket at 1.50 p.m. What time did she reach home? Express the time using the 24-hour clock.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q33",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Bobby had some muffins. The graph shows the number of muffins sold by Bobby in 4 days. \\(\\dfrac{3}{4}\\) of the total muffins were sold on Monday, Tuesday and Thursday. How many muffins were sold on Wednesday?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the least number of squares needed to be shaded so that the line AB is a line of symmetry for the figure?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Javier has a rectangular paper measuring 31 cm by 15 cm. He wants to cut out small squares measuring 2 cm by 2 cm from the piece of rectangular paper. What is the greatest number of small squares that Javier can cut out?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Shop X sold 4 times as many cars as Shop Y. Shop Y sold twice as many cars as Shop Z. Shop Z sold 602 fewer cars than Shop X. How many cars did Shop Z sell? How many cars did the three shops sell altogether?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q38",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Belicia mixed 1.43 ℓ of orange syrup with 8 ℓ of water to make an orange drink. The orange drink was then poured into 7 identical jugs. How many litres of orange drink were there in total? How many litres of orange drink were there in each jug? Round your answer to 2 decimal places.\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q39",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Jamie read \\(\\dfrac{2}{9}\\) of a book on Monday, \\(\\dfrac{1}{3}\\) of the book on Tuesday and the remaining pages on Wednesday. She read 25 more pages on Tuesday than on Monday. What fraction of the book did she read on Wednesday? How many pages were there in the book?",
    "answer0": "\\(\\dfrac{4}{9}\\) , 225",
    "answer1": "225 , \\(\\dfrac{4}{9}\\)",
    "answer2": "225 , \\(\\dfrac{4}{9}\\)",
    "answer3": "225 , \\(\\dfrac{4}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q40",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ticket prices at Dazzle Zoological Gardens are 1 adult: \\$? each, 1 child: \\$7.50 each. Mr and Mrs Lee brought their 5 children to Dazzle Zoological Gardens. They paid \\$67.50 in total for their tickets. How much did the tickets for 5 children cost? Find the cost of 1 adult ticket.\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Rectangle ABCD is made up of 4 identical rectangles. The perimeter of the shaded rectangle is 48 cm. What is the area of the shaded rectangle? What is the perimeter of rectangle ABCD?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Methodist Girls 2022 P4 Semestral Assessment 2 Q43",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Poppy paid \\$375 for 4 similar watches and 5 similar headphones. Melody paid \\$160 less for 2 similar watches and 3 similar headphones. What was the cost of 2 similar watches and 3 similar headphones? What was the cost of a headphone?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Methodist Girls 2023 P4 End of Year Exam Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the greatest to the smallest.<br>$$\\frac{1}{2}$$, $$\\frac{2}{3}$$, $$\\frac{7}{12}$$",
    "answer0": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{7}{12}\\) , \\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{7}{12}\\) , \\(\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{7}{12}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{7}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Methodist Girls 2023 P4 End of Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.6 as a fraction.",
    "answer0": "\\(\\dfrac{3}{5}\\)",
    "answer1": "\\(\\dfrac{5}{3}\\)",
    "answer2": "\\(\\dfrac{4}{5}\\)",
    "answer3": "\\(\\dfrac{3}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Methodist Girls 2023 P4 End of Year Exam Q26",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{5}{8} + \\frac{3}{4}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{3}{8}\\)",
    "answer1": "\\(1\\dfrac{4}{8}\\)",
    "answer2": "\\(2\\dfrac{3}{8}\\)",
    "answer3": "\\(1\\dfrac{2}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Methodist Girls 2023 P4 End of Year Exam Q35",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Oranges are sold in bags of 5 at \\$6 for each bag or \\$1.50 for each orange. Mrs Rahim buys 28 oranges. What is the least amount of money that she has to pay?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2023 P4 End of Year Exam Q37",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Weijian had three times as much money as Xavier. After Weijian bought 8 erasers at \\$1.30 each he had \\$3.85 left.<br>(a) How much money did Weijian have at first?<br>\\$[?]<br>(b) How much money did Xavier have?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2023 P4 End of Year Exam Q38",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "A water container had 1 $$\\ell$$ of water. Mr Muthu used $$\\frac{2}{5}$$ $$\\ell$$ of it to make a drink and $$\\frac{1}{4}$$ $$\\ell$$ of it to water his plants.<br>(a) How much water did Mr Muthu use altogether?<br> $$\\ell$$<br>(b) How much water was left?<br> $$\\ell$$",
    "answer0": "\\(\\dfrac{13}{20}\\) , \\(\\dfrac{7}{20}\\)",
    "answer1": "\\(\\dfrac{7}{20}\\) , \\(\\dfrac{13}{20}\\)",
    "answer2": "\\(\\dfrac{7}{20}\\) , \\(\\dfrac{13}{20}\\)",
    "answer3": "\\(\\dfrac{7}{20}\\) , \\(\\dfrac{13}{20}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Methodist Girls 2023 P4 End of Year Exam Q41",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the prices and number of tickets sold for an art exhibition over 5 days. Adult: 168 tickets sold at \\$11 each. Child: ? tickets sold at \\$5 each.<br>(a) The total number of child tickets sold was $$\\frac{2}{3}$$ of the total number of adult tickets. How many child tickets were sold over the 5 days?<br>[?]<br>(b) The line graph shows the number of adult tickets sold over the 5 days. How much money was collected from the sale of adult tickets on Day 4?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Methodist Girls 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Cynthia had two times as many \\$2 notes as \\$5 notes. The total amount of money that Cynthia had was \\$243. How many \\$2 notes did Cynthia have?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 End-of-Year Exam Q22",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are greater than $$\\frac{1}{2}$$?<br>$$\\frac{2}{3}$$ , $$\\frac{3}{6}$$ , $$\\frac{4}{9}$$ , $$\\frac{6}{11}$$<br> and",
    "answer0": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{6}{11}\\)",
    "answer1": "\\(\\dfrac{6}{11}\\) , \\(\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{6}{11}\\) , \\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{6}{11}\\) , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "MGS 2024 P4 End-of-Year Exam Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{5}{6}$$ + $$\\frac{7}{12}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{5}{12}\\)",
    "answer1": "\\(1\\dfrac{6}{12}\\)",
    "answer2": "\\(2\\dfrac{5}{12}\\)",
    "answer3": "\\(1\\dfrac{4}{12}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "MGS 2024 P4 End-of-Year Exam Q30",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "At a cinema, an adult ticket costs \\$6 more than a child ticket. Mr Lim and his family bought 2 adult tickets and 4 child tickets for \\$51. How much does an adult ticket cost? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 End-of-Year Exam Q37",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mrs Lee bought 2 m of cloth. She gave $$\\frac{2}{5}$$ m of the cloth to Mrs Lim and $$\\frac{1}{4}$$ m of the cloth to Mrs Teo. What was the length of cloth Mrs Lee had left?",
    "answer0": "\\(1\\dfrac{7}{20}\\)",
    "answer1": "\\(1\\dfrac{8}{20}\\)",
    "answer2": "\\(2\\dfrac{7}{20}\\)",
    "answer3": "\\(1\\dfrac{6}{20}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The number of residents in a town is 91 000 when rounded to the nearest 1000. What could be the greatest possible number of residents living in the town, before rounding to the nearest 1000?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Tan packed 48 red pens and 60 blue pens into some bags with no remainder. The total number of pens in each bag was the same. There was an equal number of red pens in each bag. What is the smallest number of red pens there could be in each bag?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Jenny has \\$7500. James has \\$6850. How much must Jenny give to James so that both of them have the same amount of money?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 1 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ada, Ben and Chris had 720 stickers altogether. Ben had twice as many stickers as Ada, Chris had 40 stickers less than Ada. How many stickers did Ben have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 1 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Lim bought 5 identical T-shirts and a pair of pants. He paid $120 for the 5 T-shirts. The pair of pants cost 3 times as much as one T-shirt.<br>(a) How much did one T-shirt cost?<br>(b) How much did the pair of pants cost?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 1 Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In a carnival game, points are earned when bean bags are tossed onto regions A, B or C. Ron, Shirley and Tammy tossed 2 bean bags each: (i) Ron's bean bags landed on regions A and B. (ii) Shirley's bean bags landed on regions B and C. (iii) Tammy's bean bags landed on regions A and C. The total number of points earned by each of them: Ron 125, Shirley 65, Tammy 100. How many points will be earned when a bean bag lands on region B?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the mixed number represented by the letter A in the number line?",
    "answer0": "\\(2\\dfrac{3}{4}\\)",
    "answer1": "\\(2\\dfrac{4}{4}\\)",
    "answer2": "\\(3\\dfrac{3}{4}\\)",
    "answer3": "\\(2\\dfrac{2}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 2 Q9",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the fractions in decreasing order.<br>$$\\frac{7}{3}$$ , $$\\frac{11}{5}$$ , $$2\\frac{2}{5}$$",
    "answer0": "\\(2\\dfrac{2}{5}\\) , \\(\\dfrac{7}{3}\\) , \\(\\dfrac{11}{5}\\)",
    "answer1": "\\(\\dfrac{11}{5}\\) , \\(\\dfrac{7}{3}\\) , \\(2\\dfrac{2}{5}\\)",
    "answer2": "\\(\\dfrac{7}{3}\\) , \\(\\dfrac{11}{5}\\) , \\(2\\dfrac{2}{5}\\)",
    "answer3": "\\(2\\dfrac{2}{5}\\) , \\(\\dfrac{11}{5}\\) , \\(\\dfrac{7}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 2 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There are 56 flowers in a basket. $$\\frac{2}{7}$$ of the flowers are roses. How many roses are there in the basket?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "James planted a seedling and recorded its height at the start of each week over 5 weeks, using a table and a line graph. The height of the seedling is not shown on the scale of the line graph.<br>Week 1: 2 cm, Week 2: 6 cm, Week 3: 11 cm, Week 4: ?, Week 5: 17 cm, Week 6: 18 cm.<br>(a) What was the height of the seedling recorded at the start of Week 4? Answer in cm.<br>(b) The statement 'The height of the seedling increased by 16 cm over the 5 weeks.' is either true, false or not possible to tell. State True, False or Not possible to tell.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 2 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Kenneth cycled home from school. After completing $$\\frac{7}{10}$$ of the journey, he still needed to cycle another 480 m to reach home. What was the distance between Kenneth's home and his school?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 2 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Denise, Emily and Fred scored a total of 4490 points in a game. Denise scored 3 times as many points as Emily. Fred scored 550 points less than Denise. How many points did Fred score?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 2 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arthur and Ben had the same number of stickers at first. After Arthur gave 72 stickers to Caleb, Ben had 4 times as many stickers as Arthur.<br>(a) How many stickers did Arthur have left?<br>(b) Caleb gave $$\\frac{4}{9}$$ of the stickers he received from Arthur to his friends and kept the rest. How many stickers did Caleb keep for himself?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q4",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Express $$4\\frac{7}{20}$$ as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the decimal represented by A?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 43.26 to the nearest tenth.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Measure and write down the size of ∠y.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Divide 16 by 7. Give your answer correct to 2 decimal places.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q9",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange these numbers from the greatest to the smallest.<br>$$\\frac{2}{5}$$ , 0.403 , 0.043<br>[?] , [?] , [?]",
    "answer0": null,
    "answer1": "\\(\\dfrac{2}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In the figure shown, ABCD is a rectangle. Find ∠EAF.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Rectangle ABCD is made up of five identical rectangles. What is the length of EF?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q13",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Megan receives a total of \\$30 of pocket money for 5 days. Each day, she spends \\$2.70 on transport, part of the remaining money on food and saves the rest.<br>(a) How much does Megan spend on transport in 5 days?<br>(b) Last week, Megan saved \\$1.80. How much did she spend on food?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ken bought 5 kg of sugar. He used 0.32 kg of sugar to make a cake and packed the remaining sugar equally into 6 packets. What was the mass of each packet of sugar?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "MGS 2024 P4 Weighted Assessment 3 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Bag A contains 26.5 kg more peanuts than Bag B. After 4.55 kg of peanuts were removed from Bag B and placed into Bag A, the mass of Bag A was five times the mass of Bag B. What was the mass of peanuts in Bag B at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q4",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Write \\(4\\dfrac{7}{50}\\) as a decimal.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q5",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Which one of the following has \\(\\dfrac{1}{6}\\) of the figure shaded?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q6",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "\\(9\\dfrac{3}{4}\\) = [?]/4\nWhat is the missing number in the box?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q9",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Matthew and Paul had \\$348 altogether. After Paul gave \\$33 to Matthew, they each had an equal amount of money. How much did Paul have at first?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q15",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Min Jie is standing at point Y and facing South-east. He turns 225° anti-clockwise, then he makes a \\(\\dfrac{3}{4}\\) - turn in a clockwise direction. Which direction is he facing in the end?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round off 89 641 to the nearest hundred.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Subtract 536 from 822.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q23",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 2106 and 8.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q26",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "\\(\\dfrac{3}{8}\\) = 15/[?]\nWhat is the missing number in the box?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q27",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of \\(\\dfrac{11}{12}\\) + \\(\\dfrac{1}{4}\\)? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{2}{12}\\)",
    "answer1": "\\(1\\dfrac{3}{12}\\)",
    "answer2": "\\(2\\dfrac{2}{12}\\)",
    "answer3": "\\(1\\dfrac{1}{12}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Tom watched a movie. The movie lasted 1 h 55 min. The movie ended at 00 20. What time did it start? Give your answer in 24-hour clock.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q31",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Two factors of 39 are 1 and 39. What is the sum of all the factors of 39?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The third multiple of a 1-digit number is 35 less than its eighth multiple. What is the 1-digit number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q38",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The figure is made up of 16 identical rectangles. What fraction of the figure is shaded? Express your answer in the simplest form.",
    "answer0": "\\(\\dfrac{1}{4}\\)",
    "answer1": "\\(\\dfrac{4}{1}\\)",
    "answer2": "\\(\\dfrac{2}{4}\\)",
    "answer3": "\\(\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "An egg seller had 36 boxes of eggs. Each box contained 30 eggs. 82 eggs were broken and thrown away. The remaining eggs were repacked into cartons of 8 eggs each.\n(a) How many eggs were unbroken?\n(b) How many eggs were not packed into the cartons?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q42",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Terry had \\$392 and Willy had \\$47 at first. Their father gave each of them an equal amount of money. In the end, Terry had 6 times as much money as Willy. How much money did their father give to each of them?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q43",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Lim bought some papayas and 12 mangoes. The offer is: 1 mango for \\$4.20; Buy 2 mangoes, get 1 mango free!\n(a) How much did Mrs Lim pay for the 12 mangoes?\n(b) Mrs Lim paid the cashier \\$100 for all the fruits and received \\$40.80 change. How much did all the fruits cost?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Maris Stella 2022 P4 Semestral Assessment 2 Q44",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "A baker baked 3 types of cakes. \\(\\dfrac{1}{3}\\) of the cakes were chocolate cakes, \\(\\dfrac{2}{9}\\) of them were blueberry cakes and the remaining were butter cakes.\n(a) What fraction of the cakes were butter cakes?\n(b) A total of 108 cakes were baked. Each cake was sold at $15. How much money was collected when \\(\\dfrac{1}{4}\\) of the cakes baked were sold?",
    "answer0": "\\(\\dfrac{4}{9}\\) , $405",
    "answer1": "$405 , \\(\\dfrac{4}{9}\\)",
    "answer2": "$405 , \\(\\dfrac{4}{9}\\)",
    "answer3": "$405 , \\(\\dfrac{4}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nan Chiau 2025 P4 End-of-Year Exam Q9",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Metta bought an equal number of cupcakes and doughnuts. Find the least amount of money that she could have spent.<br>2 cupcakes for \\$7<br>5 doughnuts for \\$10",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 End-of-Year Exam Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange these numbers from the greatest to the smallest.<br>379, 937, 973, 397<br>[?] , [?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "4 answers -> 4 [?] blanks in order"
  },
  {
    "source": "Nan Chiau 2025 P4 End-of-Year Exam Q20",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{1}{4}$$ + $$\\frac{5}{8}$$",
    "answer0": "\\(\\dfrac{7}{8}\\)",
    "answer1": "\\(\\dfrac{8}{7}\\)",
    "answer2": "\\(\\dfrac{8}{8}\\)",
    "answer3": "\\(\\dfrac{7}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Chiau 2025 P4 End-of-Year Exam Q21",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$\\frac{19}{5}$$ as a mixed number.",
    "answer0": "\\(3\\dfrac{4}{5}\\)",
    "answer1": "\\(3\\dfrac{5}{5}\\)",
    "answer2": "\\(4\\dfrac{4}{5}\\)",
    "answer3": "\\(3\\dfrac{3}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Chiau 2025 P4 End-of-Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Jerry bought a box containing 30 grapes. His brother ate 8 of them and his grandparents ate 16 of them. What fraction of the box of grapes had Jerry left? Give your answer in its simplest form.",
    "answer0": "\\(\\dfrac{1}{5}\\)",
    "answer1": "\\(\\dfrac{5}{1}\\)",
    "answer2": "\\(\\dfrac{2}{5}\\)",
    "answer3": "\\(\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Chiau 2025 P4 End-of-Year Exam Q38",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "4 identical shirts and 3 identical bags cost \\$150.60. 2 such shirts and 1 such bag cost \\$62.80. Find the cost of 4 such shirts.<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 End-of-Year Exam Q42",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Jayden and Linda bought some apples. Jayden took $$\\frac{5}{8}$$ of the apples and Linda took the rest. Jayden took 36 more apples than Linda. (a) How many apples did Linda take? (b) The cost of 6 apples was \\$4. How much did the basket of apples cost?<br>(a) [?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q1",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write twenty-seven thousand, three hundred and nine in numerals.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 10 247 to the nearest ten.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q3",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write down the common factors of 15 and 20.\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q4",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the smallest to the greatest.<br>$$\\frac{1}{3}$$    $$\\frac{1}{10}$$    $$\\frac{1}{6}$$",
    "answer0": "\\(\\dfrac{1}{10}\\) , \\(\\dfrac{1}{6}\\) , \\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{1}{3}\\) , \\(\\dfrac{1}{6}\\) , \\(\\dfrac{1}{10}\\)",
    "answer2": "\\(\\dfrac{1}{6}\\) , \\(\\dfrac{1}{3}\\) , \\(\\dfrac{1}{10}\\)",
    "answer3": "\\(\\dfrac{1}{10}\\) , \\(\\dfrac{1}{3}\\) , \\(\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 5840 is divided by 7?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{1}{2} - \\frac{3}{8} =$$",
    "answer0": "\\(\\dfrac{1}{8}\\)",
    "answer1": "\\(\\dfrac{8}{1}\\)",
    "answer2": "\\(\\dfrac{2}{8}\\)",
    "answer3": "\\(\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the mass of the 4 iron bars? Express your answer in $$g$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the perimeter of the figure.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the number of participants who signed up for an upcycling workshop from 5 different classes.<br>Which class has twice the number of participants as Class 4B?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number is a multiple of 9 and a factor of 6.<br>It is between 60 and 80.<br>What is the number?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The sum of two numbers is 7390.<br>The greater number is 4 times the smaller number.<br>What is the greater number?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The starting and ending times for a movie are shown. How long was the movie? Express your answer in hours and minutes.\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 6 identical rectangles. Find the length of $$X$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A piece of rectangular paper was folded to form the shape shown. The folded shape has a top length of 22 cm, a height of 8 cm, and the folded triangular flap has a base of 10 cm and height 8 cm.<br>(a) Find the perimeter of the rectangular paper before it was folded.<br>(b) Find the area of the rectangular paper before it was folded.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Xavier, Yusof and Zachary scored a total of 561 points in a game.<br>Xavier scored 93 more than Yusof.<br>Zachary scored twice the total number of points Xavier and Yusof scored.<br>How many points did Xavier score?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Chiau 2025 P4 Weighted Assessment 2 Q18",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Aisyah sold some cupcakes at a carnival. For every 30 cupcakes sold, she would donate \\$5 to a charity. In the end, Aisyah donated \\$80 to the charity.<br>(a) How many cupcakes did Aisyah sell?<br>(b) Aisyah sold each cupcake for \\$3. After donating \\$80, how much did she earn from the sale?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q3",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Write \\(4\\dfrac{7}{20}\\) as a decimal.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q5",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "\\(9\\dfrac{5}{8}\\) = [?]/8\nWhat is the missing number in the box?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q6",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Find the value of \\(\\dfrac{11}{12}\\) − \\(\\dfrac{1}{3}\\)",
    "answer0": "\\(\\dfrac{5}{6}\\)",
    "answer1": "\\(\\dfrac{12}{12}\\)",
    "answer2": "\\(\\dfrac{7}{12}\\)",
    "answer3": "\\(\\dfrac{2}{3}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q10",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Jane gave \\(\\dfrac{5}{8}\\) of her stamps to Shirley. She had 285 stamps left. How many stamps did Jane have at first?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q15",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Jane is at Point E and facing North-west. If she makes a \\(\\dfrac{3}{4}\\)-turn anti-clockwise, she will face Point [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q17",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Michael and Vincent saved a total of \\$420. After giving \\$15 to Vincent, Michael had three times as much money as Vincent. How much more money did Michael have than Vincent at first?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.2 as a fraction.",
    "answer0": "\\(\\dfrac{2}{10}\\)",
    "answer1": "\\(\\dfrac{10}{2}\\)",
    "answer2": "\\(\\dfrac{3}{10}\\)",
    "answer3": "\\(\\dfrac{2}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q25",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of these fractions are smaller than \\(\\dfrac{1}{2}\\)?\n\\(\\dfrac{3}{5}\\) , \\(\\dfrac{4}{9}\\) , \\(\\dfrac{5}{10}\\) , \\(\\dfrac{5}{11}\\)",
    "answer0": "\\(\\dfrac{4}{9}\\) , \\(\\dfrac{5}{11}\\)",
    "answer1": "\\(\\dfrac{5}{11}\\) , \\(\\dfrac{4}{9}\\)",
    "answer2": "\\(\\dfrac{5}{11}\\) , \\(\\dfrac{4}{9}\\)",
    "answer3": "\\(\\dfrac{5}{11}\\) , \\(\\dfrac{4}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q26",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of \\(\\dfrac{5}{8}\\) + \\(\\dfrac{3}{4}\\)? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{3}{8}\\)",
    "answer1": "\\(1\\dfrac{4}{8}\\)",
    "answer2": "\\(2\\dfrac{3}{8}\\)",
    "answer3": "\\(1\\dfrac{2}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q36",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Hugh has three times as much money as Susanna. After Susanna gives \\$20 to Hugh, Hugh has \\$110 more than Susanna. How much does Susanna have in the end?\nAns: \\$ [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q41",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Tammy had 1 ℓ of lemonade. She drank \\(\\dfrac{3}{8}\\) ℓ of it and gave her brother \\(\\dfrac{2}{5}\\) ℓ. How much lemonade did Tammy have left?\nAns:  ℓ",
    "answer0": "\\(\\dfrac{9}{40}\\)",
    "answer1": "\\(\\dfrac{40}{9}\\)",
    "answer2": "\\(\\dfrac{10}{40}\\)",
    "answer3": "\\(\\dfrac{9}{41}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Hua 2022 P4 Semestral Assessment 2 Q42",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Xiu Lan's weekly allowance was \\$13.50 and De Ming's weekly allowance was \\$24. De Ming saved \\$3.75 and spent the rest. Xiu Lan spent all her money. How much more money did De Ming spend than Xiu Lan?\nAns: \\$ [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Jane spent \\$1749 in February.<br>She spent \\$253 less in February than in January.<br>How much did Jane spend in January?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In a school, there were 832 boys and 164 girls. How many more boys than girls were there?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There are 428 sweets in a bottle. Mrs Tan bought 14 bottles to give her pupils. How many sweets did she buy altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There are 1048 blue markers in a shop. The number of blue markers is 4 times as many as the number of red markers. How many red markers are there?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Jack jogs 1650 m and Tom jogs 2480 m in a day.<br>How many metres do Jack and Tom jog altogether in 7 days?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Tan saved \\$4320 in the past 9 months.<br>He saved \\$100 each month in the first 3 months.<br>He saved the same amount of money each month in the last 6 months.<br>How much did Mr Tan save each month in the last 6 months?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 3 Q7",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "David paid \\$5.25 for a pencil case and \\$1.85 for a pen. How much did David pay altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 3 Q8",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Tan bought some fruits. She gave the cashier \\$50 and received \\$12.35 change. How much did she spend on the fruits?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 3 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Ahmad used 1.45 kg of butter to bake one butter cake. Find the mass of butter used to bake seven butter cakes.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 3 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A piece of wood 1.96 m was sawn to make 4 legs for a table. What was the length of each leg?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 3 Q11",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Adventure Cove Waterpark<br>Entrance fees: Adult \\$32.40; Child (12-year-old and below) \\$21.60.<br>Weekend Family Package: 2 adults \\$60; First 2 children \\$18.60 each; Additional child \\$18 each.<br>Mr and Mrs Chan brought their children to the waterpark on Saturday. They paid \\$115.20 in total using the Weekend Family Package. How many children did they bring to the waterpark?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2022 P4 Weighted Assessment 3 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Diana has 4 small bottles and 1 large bottle of mineral water. A large bottle holds 3 times as much water as the small bottle. She has 3.85 $$l$$ of mineral water altogether. How many litres of mineral water can a large bottle hold?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What fraction of the buttons shown are grey in colour?",
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{3}{1}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions are in the simplest form? <br> $$\\frac{2}{5}$$ , $$\\frac{3}{6}$$ , $$\\frac{4}{10}$$ , $$\\frac{5}{12}$$ <br> Ans :  and",
    "answer0": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{5}{12}\\)",
    "answer1": "\\(\\dfrac{5}{12}\\) , \\(\\dfrac{2}{5}\\)",
    "answer2": "\\(\\dfrac{5}{12}\\) , \\(\\dfrac{2}{5}\\)",
    "answer3": "\\(\\dfrac{5}{12}\\) , \\(\\dfrac{2}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q26",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{5}{9}+\\frac{2}{3}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{2}{9}\\)",
    "answer1": "\\(1\\dfrac{3}{9}\\)",
    "answer2": "\\(2\\dfrac{2}{9}\\)",
    "answer3": "\\(1\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q28",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the value of 4.72 × 6.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write the decimal represented by A.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In a factory, sweets are equally packed into boxes. Bill bought two boxes of sweets. He received 1044 sweets altogether. How many sweets would Bill receive in total, if he buys five more boxes of sweets?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What was the total number of chocolates sold between 11 00 to 13 00?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q38",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number is between 30 and 40. When it is divided by 3, the answer is a whole number. When it is divided by 4, the remainder is 3. What is the number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q39",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "At the school bookshop: Stapler \\$5, Scissors \\$8, Ruler \\$3. Bess spent a total of \\$31 at the school book shop. She bought 3 identical [?] and 2 identical [?].",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "28 flags were placed around a square field at equal distance apart. The number of flags on each side of the field is the same. There is a flag at every corner of the field. How many flags are there on each side of the field?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Bill is 4 times as heavy as Charlotte. He is 98.4 kg. What is the total mass of Bill and Charlotte?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ben had a piece of string. He cut it into three pieces, String A, String B and String C. String B is 0.15 m longer than String A and 2.7 m longer than String C. String A is 4.36 m long. What is the length of String C?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "John had some money. He spent $$\\frac{1}{4}$$ of his money on food and $$\\frac{5}{8}$$ of his money on books. He spent $12 more on books than food. How much money did he have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q44",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ravi and Sam had 1780 stickers altogether. After Sam gave Ravi 40 stickers, they had the same number of stickers. How many stickers did Sam have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q45",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A television costs 10 times as much as a chair. 1 television and 1 table cost \\$1820. 1 table and 1 chair cost \\$560. What is the cost of 1 television and 2 tables?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 End of Year Exam Q46",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mary was doing origami. She used a rectangular piece of paper as shown in Figure 1. First, she folded one side as shown in Figure 2. Next, she folded the paper upwards as shown in Figure 3. The area of the shaded part is 24 cm². What is the perimeter of the rectangular piece of paper as shown in Figure 1?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 Weighted Assessment WA1 Q13",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Three ovens and two printers cost \\$2300. A printer cost \\$80 more than an oven. What is the cost of an oven?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 Weighted Assessment WA1 Q14",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "John had twice as much money as Ken. After John spent \\$1064, Ken had four times as much money as John.<br>(a) How much money did John have in the end?<br>\\$[?]<br>(b) How much money did the both of them have at first?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 Weighted Assessment WA2 Q13",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Amy has $$\\frac{3}{5}$$ kg of sugar. Bala has $$\\frac{1}{3}$$ kg of sugar more than Amy.<br>(a) How much sugar does Bala have? Express your answer in its simplest form.<br> kg<br>(b) How much sugar do they have altogether? Express your answer in its simplest form.<br> kg",
    "answer0": "\\(\\dfrac{14}{15}\\) , \\(1\\dfrac{8}{15}\\)",
    "answer1": "\\(1\\dfrac{8}{15}\\) , \\(\\dfrac{14}{15}\\)",
    "answer2": "\\(1\\dfrac{8}{15}\\) , \\(\\dfrac{14}{15}\\)",
    "answer3": "\\(1\\dfrac{8}{15}\\) , \\(\\dfrac{14}{15}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nan Hua 2023 P4 Weighted Assessment WA3 Q7",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A pen cost \\$2.60. Diana bought two pens and gave the cashier \\$10. How much change did she get?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 Weighted Assessment WA3 Q12",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The price of apples sold in a shop is as follows:<br>One apple costs \\$0.90<br>A pack of five apples costs \\$3.75<br>Alice wants to buy 12 apples. What is the least amount of money she has to pay?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 Weighted Assessment WA3 Q13",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A dress and five identical T-shirts cost \\$132.50. A dress and two of the identical T-shirts cost \\$75.80. What is the cost of one T-shirt?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2023 P4 Weighted Assessment WA3 Q14",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Museum of Ice Cream entrance fees: Adult \\$28.90, Child (12 years old and below) \\$? . Weekend Family Package: Two adults \\$55, First two children \\$15.90 each, Additional child \\$12 each.<br>(a) Mrs Lim brought her two children under the age of 12 to the Museum of Ice Cream on Wednesday. She paid \\$61.90 in total. What is the entrance fee for a child under 12 years old?<br>\\$[?]<br>(b) Mr and Mrs Tan brought their three children under the age of 12 to the Museum of Ice Cream on Saturday. How much did they pay for the entrance tickets altogether?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 End-of-Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express $$\\frac{6}{18}$$ in its simplest form.",
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{3}{1}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Hua 2024 P4 End-of-Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the greatest to the smallest.<br>$$\\frac{1}{2}$$ , $$\\frac{5}{6}$$ , $$\\frac{7}{12}$$<br> (greatest) ,  ,  (smallest)",
    "answer0": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{7}{12}\\) , \\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{7}{12}\\) , \\(\\dfrac{5}{6}\\)",
    "answer2": "\\(\\dfrac{7}{12}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{6}\\)",
    "answer3": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{7}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nan Hua 2024 P4 End-of-Year Exam Q33",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Cathy had $$\\frac{3}{4}$$ ℓ of milk. She drank $$\\frac{1}{4}$$ ℓ of the milk and spilled $$\\frac{1}{3}$$ ℓ of it. (a) How much milk did she drink and spill altogether? (b) How much milk did she have left?",
    "answer0": "\\(\\dfrac{7}{12}\\) , \\(\\dfrac{1}{6}\\)",
    "answer1": "\\(\\dfrac{1}{6}\\) , \\(\\dfrac{7}{12}\\)",
    "answer2": "\\(\\dfrac{1}{6}\\) , \\(\\dfrac{7}{12}\\)",
    "answer3": "\\(\\dfrac{1}{6}\\) , \\(\\dfrac{7}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nan Hua 2024 P4 End-of-Year Exam Q36",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Andy and Ben had a total of \\$698. Andy and Carl had a total of \\$510. Ben had three times as much money as Carl. How much money did Andy have? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 End-of-Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Peter bought 3 shirts and 2 bags for \\$289. Each bag cost \\$17 more than a shirt. How much did a bag cost? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 End-of-Year Exam Q45",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": null,
    "answer1": null,
    "answer2": "\\(\\dfrac{1}{5}\\)",
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 End-of-Year Exam Q46",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Set Meal A costs \\$27 for 4 persons (8 nuggets, 4 pieces chicken, 4 drinks). Set Meal B costs \\$35 for 5 persons (10 nuggets, 5 pieces chicken, 5 drinks). Set Meal C costs \\$41 for 6 persons (12 nuggets, 6 pieces chicken, 6 drinks). (a) Mrs Chan wants to order food for 18 children at a party with no food wastage. Each child should get 2 pieces of nugget, 1 piece of chicken and 1 drink. What combination of set meals should Mrs Chan order if she wants to pay the least amount of money? Number of Set Meal A: [?] , B: [?] , C: [?] (b) How much money would Mrs Chan need to pay for the combination of set meals she has chosen? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 Term 1 Review Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mary had 3986 erasers. She gave 2013 erasers to her brother and 750 erasers to her sister. How many erasers had she left?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 Term 1 Review Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Ahmad spends $346 each month. He spends the same amount of money each month. How much money does he spend in seven months?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 Term 1 Review Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "(a) Find the value of 1028 ÷ 4<br>(b) Find the product of 45 and 12<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nan Hua 2024 P4 Term 1 Review Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The sum of two numbers is 7293. The greater number is 5485. What is the smaller number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 Term 1 Review Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "30 012 people visited an exhibition. 22 800 of them were adults and the rest were children.<br>(a) How many children visited the exhibition?<br>(b) 10 740 women visited the exhibition. How many children and women visited the exhibition?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nan Hua 2024 P4 Term 1 Review Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Shop A had 126 boxes of oranges. There were 36 oranges in each box. The shop owner packed the oranges into bags of 8. How many bags of 8 oranges were there?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 Term 1 Review Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A watch costs four times as much as a bag. Mr Tan paid $728 for a watch and three bags. How much did the watch cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 Term 2 Review Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Peter had 48 apples. He used $$\\frac{2}{3}$$ of them to bake a pie and $$\\frac{1}{6}$$ of them to make apple juice.<br>(a) How many apples did he use?<br>(b) How many apples were left?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nan Hua 2024 P4 Term 2 Review Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A car was filled with 45 $$\\ell$$ of petrol. The car started travelling from 08 00 to 14 00. Petrol was used when the car was moving. The line graph shows the amount of petrol in the car from 08 00 to 14 00.<br>(a) How much petrol was used from 09 00 to 11 00? (in $$\\ell$$)<br>(b) At which 1-hour period was the car not moving? (Give the start time then the end time in 24-hour clock.)<br>[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "Nan Hua 2024 P4 Term 3 Review Q5",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A bag of cookies cost \\$5.60. Jenny bought 6 bags and gave the cashier \\$50. How much change did she get?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 Term 3 Review Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The price of pens sold in a shop is shown.<br>One pen costs \\$1.10<br>A pack of four pens costs \\$3.75<br>Claire wants to buy 13 pens. What is the least amount of money she has to pay?<br>Ans: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2024 P4 Term 3 Review Q12",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr Tan had \\$65 more than Mr Lim. After Mr Tan spent \\$80.60, Mr Lim had twice as much money as Mr Tan had left. How much money did Mr Tan have at first?<br>Ans: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2025 P4 End-of-Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$1 - \\frac{1}{8} - \\frac{1}{4}$$",
    "answer0": "\\(\\dfrac{5}{8}\\)",
    "answer1": "\\(\\dfrac{8}{5}\\)",
    "answer2": "\\(\\dfrac{6}{8}\\)",
    "answer3": "\\(\\dfrac{5}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Hua 2025 P4 End-of-Year Exam Q34",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mrs Lee bought a papaya and a durian. The mass of the papaya was $$\\frac{9}{10}$$ kg. It was $$\\frac{1}{2}$$ kg lighter than the mass of the durian. What was the mass of the durian? Express your answer as a mixed number in its simplest form.<br> kg",
    "answer0": "\\(1\\dfrac{2}{5}\\)",
    "answer1": "\\(1\\dfrac{3}{5}\\)",
    "answer2": "\\(2\\dfrac{2}{5}\\)",
    "answer3": "\\(1\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Hua 2025 P4 End-of-Year Exam Q36",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "In the number line, (a) what is the mixed number represented by A? (b) what is the improper fraction represented by B?",
    "answer0": "\\(1\\dfrac{1}{6}\\) , \\(\\dfrac{11}{6}\\)",
    "answer1": "\\(\\dfrac{11}{6}\\) , \\(1\\dfrac{1}{6}\\)",
    "answer2": "\\(\\dfrac{11}{6}\\) , \\(1\\dfrac{1}{6}\\)",
    "answer3": "\\(\\dfrac{11}{6}\\) , \\(1\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nan Hua 2025 P4 End-of-Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Jane bought six identical bowls and five identical plates for \\$46.90. Mary bought three such bowls and three such plates for \\$25.20. How much did one plate cost?<br>$$$$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2025 P4 End-of-Year Exam Q45",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The pie chart shows the choices made by a group of children about their favourite snacks. Half of the group likes cookies and brownies. The number of children who like muffins is equal to the number of children who like brownies.<br>(a) What fraction of the students like cookies?<br>(b) Given that 126 children like curry puffs, how many children like muffins?",
    "answer0": "\\(\\dfrac{5}{12}\\) , 42",
    "answer1": "42 , \\(\\dfrac{5}{12}\\)",
    "answer2": "42 , \\(\\dfrac{5}{12}\\)",
    "answer3": "42 , \\(\\dfrac{5}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "a) What is the value of the digit 7 in 58 701?<br>b) Round 19 572 to the nearest thousand.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "a) Write 7 ten thousands, 64 tens and 3 ones in numerals.<br>b) Find the value of $$4308 \\times 9$$.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Alvin, Simon and Tina shared \\$6726 equally among themselves. Simon spent \\$1045 of his money. How much money did Simon have in the end?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mike has 75 packets of stamps. Each packet has 26 stamps. He packs all his stamps into bags of 5. How many bags of 5 stamps are there?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A desk cost twice as much as a chair. Daniel spent $2264 on 2 identical desks and 4 identical chairs. What was the total cost of a desk and a chair?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Sandy had some sweets to give her friends. If she gave each friend 4 sweets, she would have 22 sweets left. If she gave each friend 6 sweets, she would have 8 sweets left. How many sweets did Sandy have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "(a) Express $$\\frac{22}{4}$$ as a mixed number in its simplest form.<br>(b) $$\\frac{2}{9}$$ of 63",
    "answer0": "\\(5\\dfrac{1}{2}\\) , 14",
    "answer1": "14 , \\(5\\dfrac{1}{2}\\)",
    "answer2": "14 , \\(5\\dfrac{1}{2}\\)",
    "answer3": "14 , \\(5\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mdm Siti had 5 $$l$$ of orange juice. She drank $$\\frac{3}{8}$$ $$l$$ of orange juice. How much orange juice did she have left?",
    "answer0": "\\(4\\dfrac{5}{8}\\)",
    "answer1": "\\(4\\dfrac{6}{8}\\)",
    "answer2": "\\(5\\dfrac{5}{8}\\)",
    "answer3": "\\(4\\dfrac{4}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Alice jogs $$\\frac{3}{4}$$ $$km$$ at a park. She walks $$\\frac{5}{12}$$ $$km$$ less than the distance she jogs. What is the total distance she jogs and walks?",
    "answer0": "\\(1\\dfrac{1}{12}\\)",
    "answer1": "\\(1\\dfrac{2}{12}\\)",
    "answer2": "\\(2\\dfrac{1}{12}\\)",
    "answer3": "\\(1\\dfrac{1}{12}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 3 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "ABCD is a square. $$\\angle b$$ is twice the size of $$\\angle a$$. Find $$\\angle a$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 3 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Divide 6 by 7. Correct your answer to 1 decimal place.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 3 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Pearly had $$5.4\\ell$$ of watermelon juice. Pearly had twice as much watermelon juice as May. May had three times as much watermelon juice as Amy. How much more watermelon juice does Pearly have than Amy?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 3 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Tan had 2.53 kg more flour than Mrs Sim. After Mrs Tan used 4.09 kg of flour, Mrs Sim had four times as much flour as Mrs Tan had left. How many kilograms of flour did Mrs Tan have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nan Hua 2025 P4 Weighted Assessment 3 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Tan placed 8 flags around the border of a square field. The distance between each flag and the next was equal for all the flags. The distance between the 1st flag and the 6th flag was 27 m. What was the total distance of the border around the square field?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q4",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{2}{10}\\)",
    "answer1": "\\(\\dfrac{2}{8}\\)",
    "answer2": "\\(\\dfrac{8}{10}\\)",
    "answer3": "\\(\\dfrac{8}{2}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q15",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Jiayi had \\$13. She bought 2 different items and paid more than \\$10 for them. The prices were: Calculator \\$7.80, Stapler \\$2.10, Comic Book \\$6.65, Plastic Folder \\$0.85, Notebook \\$5.45. Which were the 2 items she bought?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 3608 and 9.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q17",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Square ABCD is made up of 9 unit squares. What fraction of square ABCD is shaded?",
    "answer0": "\\(\\dfrac{4}{9}\\)",
    "answer1": "\\(\\dfrac{9}{4}\\)",
    "answer2": "\\(\\dfrac{5}{9}\\)",
    "answer3": "\\(\\dfrac{4}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q18",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "How many one-fifths are there in 1 whole?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q19",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express \\(\\dfrac{3}{9}\\) in its simplest form.",
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{3}{1}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q20",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Express \\(\\dfrac{84}{100}\\) as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange the following numbers in order from the greatest to the smallest. 0.045 , 0.504 , 0.405\n[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 18.55 to the nearest whole number.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q23",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the value of 6.72 x 7.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q25",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The area of a square tile is 49 cm². Find its length.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ravi is at the zoo. He is facing south now. He then turns to face the elephant. What angle has he turned through in the anti-clockwise direction?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "ABCD is a rectangle and PQRC is a square. Find angle a + angle b.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the number of Primary 1 students enrolled in Percy Primary School from Year 2016 to Year 2020. (a) In which two years were the number of Primary 1 students enrolled the same? (b) How many more Primary 1 students were enrolled in Year 2019 than Year 2018?\n[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q33",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Sam had a new book to read. He read \\(\\dfrac{3}{5}\\) of the new book in the morning and \\(\\dfrac{3}{10}\\) of it in the evening. What fraction of the book was left unread?",
    "answer0": "\\(\\dfrac{1}{10}\\)",
    "answer1": "\\(\\dfrac{10}{1}\\)",
    "answer2": "\\(\\dfrac{2}{10}\\)",
    "answer3": "\\(\\dfrac{1}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A farmer planted some trees in a straight row. The trees were planted at an equal distance apart from one another. The distance between the 2nd tree and the 5th tree was 2340 m. What was the distance between the 1st tree and the 10th tree?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 5 identical squares. The perimeter of the figure is 36 cm. Find the area of the figure.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Container A had 13.5 l of tea. Container B had 4 times as much tea as container A. All the tea in container B was poured into identical bottles. Each bottle then has 3 l of tea. How many such bottles were filled with tea from container B?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Benny had his dinner from 17 15 to 19 05. After his dinner, he shopped for 2 h 55 min. How much time did he spend on having his dinner and shopping altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q38",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of a rectangle and a square. The rectangle measures 27 m by 13 m. Find the area of the unshaded part.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q39",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the cost related to the mass of rice sold in a shop. (a) Mr Sim bought 1.5 kg of rice. Mr Wee bought 2 kg of rice. How much more did Mr Wee have to pay than Mr Sim? (b) Mrs Tan spent \\$20 on rice. Mrs Goh spent \\$8 less than Mrs Tan on rice. Find the difference between the mass of rice bought by Mrs Tan and Mrs Goh.\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q40",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Michelle and Bridget went shopping with the same amount of money. After Michelle spent \\$8.80 and Bridget spent \\$50, Michelle had 5 times as much money left as Bridget. (a) How much money did Michelle have in the end? (b) How much money did Bridget have at first?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "May and Nina have 274 beads altogether. May and Oliver have 618 beads altogether. The number of beads Oliver has is nine times that of Nina. How many beads does May have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q42",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Rope A is \\(\\dfrac{5}{6}\\) m shorter than Rope B. Rope C is \\(\\dfrac{1}{6}\\) m longer than Rope A. Rope C is \\(\\dfrac{2}{3}\\) m long. (a) What is the length of Rope A? (b) What is the length of Rope B? Give your answer in the simplest form.",
    "answer0": "\\(\\dfrac{1}{2}\\) , \\(1\\dfrac{1}{3}\\)",
    "answer1": "\\(1\\dfrac{1}{3}\\) , \\(\\dfrac{1}{2}\\)",
    "answer2": "\\(1\\dfrac{1}{3}\\) , \\(\\dfrac{1}{2}\\)",
    "answer3": "\\(1\\dfrac{1}{3}\\) , \\(\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nanyang 2022 P4 Semestral Assessment 2 Q43",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "At a bakery, the price of a cupcake was \\$2 and the price of a tart was \\$5. Ms Lim paid \\$38 to buy a total of 13 cupcakes and tarts. How many more cupcakes than tarts did Ms Lim buy?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the quotient when 8412 is divided by 9.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A given number is a multiple of 8 and a factor of 48.<br>It is between 20 and 40.<br>What is the number?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round the following numbers to the nearest hundred.<br>(a) 9 950<br>(b) 23 439<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 236 and 47.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write the following in numerals.<br>(a) Ninety-six thousand and eighteen<br>(b) Thirty-one thousand, two hundred and seventy<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Use the 5 digits to form the greatest 5-digit odd number. Use each digit once only.<br>4, 9, 6, 7, 3<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number when divided by 6 gives a quotient of 345 and a remainder of 2. What is the number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There are 20 girls standing in a row. Every 2nd girl is wearing a hair pin. Every 3rd girl is wearing a hat. How many girls wear both a hair pin and a hat?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There are 354 people at a party. Each table can only have 5 seats. What is the smallest number of tables needed at the party?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Susan has 4364 stickers. May has 2468 stickers. How many stickers must Susan give May so that they have the same number of stickers in the end?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q19",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Samy collected a total of \\$486 from selling some chocolate muffins and 63 banana muffins. She sold the chocolate muffins at \\$3 each and the banana muffins at \\$4 each. How many chocolate muffins did she sell?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q20",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Sam had 6 times as much money as Karl. Karl had \\$128 less than Andy. Both Karl and Andy had a total of \\$800.<br>(a) How much money did Karl have?<br>(b) Sam then bought 8 identical lego sets with all his money. How much did each lego set cost?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2022 P4 Weighted Assessment 1 Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "At a funfair, the number of children was 2 times the number of women. The number of women was 2 times the number of boys. There were 486 girls.<br>(a) How many children were there?<br>(b) Each girl bought 20 game tokens. How many game tokens did all the girls buy?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2023 P4 End of Year Exam Q17",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$\\frac{23}{7}$$ as a mixed number.",
    "answer0": "\\(3\\dfrac{2}{7}\\)",
    "answer1": "\\(3\\dfrac{3}{7}\\)",
    "answer2": "\\(4\\dfrac{2}{7}\\)",
    "answer3": "\\(3\\dfrac{1}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2023 P4 End of Year Exam Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the greatest to the smallest.<br>$$\\frac{2}{3}$$, $$\\frac{3}{4}$$, $$\\frac{5}{12}$$",
    "answer0": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{2}{3}\\) , \\(\\dfrac{5}{12}\\)",
    "answer1": "\\(\\dfrac{5}{12}\\) , \\(\\dfrac{2}{3}\\) , \\(\\dfrac{3}{4}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{5}{12}\\) , \\(\\dfrac{3}{4}\\)",
    "answer3": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{5}{12}\\) , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nanyang 2023 P4 End of Year Exam Q19",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$\\frac{7}{8} - \\frac{1}{2}$$.",
    "answer0": "\\(\\dfrac{3}{8}\\)",
    "answer1": "\\(\\dfrac{8}{3}\\)",
    "answer2": "\\(\\dfrac{4}{8}\\)",
    "answer3": "\\(\\dfrac{3}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2023 P4 End of Year Exam Q20",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.6 as a fraction.",
    "answer0": "\\(\\dfrac{6}{10}\\)",
    "answer1": "\\(\\dfrac{10}{6}\\)",
    "answer2": "\\(\\dfrac{7}{10}\\)",
    "answer3": "\\(\\dfrac{6}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2023 P4 End of Year Exam Q33",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The difference between two fractions is $$\\frac{2}{9}$$. The smaller fraction is $$\\frac{1}{6}$$. What is the sum of the two fractions? Express your answer in its simplest form.",
    "answer0": "\\(\\dfrac{5}{9}\\)",
    "answer1": "\\(\\dfrac{9}{5}\\)",
    "answer2": "\\(\\dfrac{6}{9}\\)",
    "answer3": "\\(\\dfrac{5}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA1 Q4",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 7294 is divided by 8?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA1 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "16 and 64 have exactly five common factors. Three of the common factors are 1, 4 and 16. What are the other two common factors?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA1 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the sum of the first three common multiples of 2 and 6.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Use the 5 digits to form the greatest 5-digit number. The digit in the thousands place is an even number. Use each digit only once.<br>1, 0, 3, 5, 8<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Katelyn has two six-sided dice. One is black in colour and one is white in colour. She rolls both dice and adds the two numbers shown on the dice. How many ways can she get a total of 8?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA1 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The cost of a dining table was $735. The dining table cost 5 times as much as a dining chair.<br>(a) How much did the dining chair cost?<br>(b) How much more did the dining table cost than the dining chair?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA2 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Fei Ming spent $$\\frac{4}{7}$$ of his money on a guitar and had $210 left. How much did he spend on the guitar?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA2 Q6",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mary bought 4 kg of flour. She used $$\\frac{1}{4}$$ kg of flour to make cupcakes and $$\\frac{2}{5}$$ kg of it to make pizza. How much flour was left? Express your answer as a mixed number.",
    "answer0": "\\(3\\dfrac{7}{20}\\)",
    "answer1": "\\(3\\dfrac{8}{20}\\)",
    "answer2": "\\(4\\dfrac{7}{20}\\)",
    "answer3": "\\(3\\dfrac{6}{20}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA2 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Ali painted $$\\frac{2}{9}$$ of a wall on Monday and $$\\frac{2}{3}$$ of the same wall on Tuesday. What fraction of the wall was not painted?",
    "answer0": "\\(\\dfrac{1}{9}\\)",
    "answer1": "\\(\\dfrac{9}{1}\\)",
    "answer2": "\\(\\dfrac{2}{9}\\)",
    "answer3": "\\(\\dfrac{1}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA2 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There were 20 balloons at a party. 2 of them were purple, 4 of them were blue, 11 of them were green and the rest were yellow. For each statement, write True or False.<br>(a) $$\\frac{3}{20}$$ of the balloons were yellow.<br>(b) $$\\frac{1}{5}$$ of the balloons were blue.<br>(c) $$\\frac{9}{11}$$ of the balloons were not green.<br>(d) The fraction of the balloons that were purple is greater than the fraction of the balloons that were blue.<br>[?] , [?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "4 answers -> 4 [?] blanks in order"
  },
  {
    "source": "Nanyang 2023 P4 Weighted Assessment 1 and 2 WA2 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Sumiko baked some cookies. She gave $$\\frac{1}{6}$$ of the cookies to her siblings and 45 of the cookies to her friends. She had $$\\frac{2}{3}$$ of the cookies left.<br>(a) How many cookies did she have left?<br>(b) She packed the leftover cookies into 18 bags. Some bags contained 6 cookies while the rest of the bags contained 12 cookies. How many bags contained 6 cookies?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2024 P4 End-of-Year Exam Q15",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the prices of tickets for a concert.<br>Adult: Monday to Friday \\$31.60, Saturday and Sunday \\$39.60.<br>Child: Monday to Friday \\$15.90, Saturday and Sunday \\$21.90.<br>How much does a family of 2 adults and 3 children have to pay for the concert that will be held on a Saturday?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 End-of-Year Exam Q17",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What fraction of the triangles shown are black in colour?",
    "answer0": "\\(\\dfrac{5}{14}\\)",
    "answer1": "\\(\\dfrac{14}{5}\\)",
    "answer2": "\\(\\dfrac{6}{14}\\)",
    "answer3": "\\(\\dfrac{5}{15}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2024 P4 End-of-Year Exam Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express $$\\frac{9}{12}$$ in its simplest form.",
    "answer0": "\\(\\dfrac{3}{4}\\)",
    "answer1": "\\(\\dfrac{4}{3}\\)",
    "answer2": "\\(\\dfrac{4}{4}\\)",
    "answer3": "\\(\\dfrac{3}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2024 P4 End-of-Year Exam Q19",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are smaller than $$\\frac{1}{2}$$?<br>$$\\frac{3}{5}$$, $$\\frac{2}{7}$$, $$\\frac{4}{8}$$, $$\\frac{5}{12}$$<br> and",
    "answer0": "\\(\\dfrac{2}{7}\\) , \\(\\dfrac{5}{12}\\)",
    "answer1": "\\(\\dfrac{5}{12}\\) , \\(\\dfrac{2}{7}\\)",
    "answer2": "\\(\\dfrac{5}{12}\\) , \\(\\dfrac{2}{7}\\)",
    "answer3": "\\(\\dfrac{5}{12}\\) , \\(\\dfrac{2}{7}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nanyang 2024 P4 End-of-Year Exam Q22",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": null,
    "answer1": "\\(\\dfrac{2}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 End-of-Year Exam Q29",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Joseph spent \\$21.95. He spent \\$3.25 more than Muthu. How much did Joseph and Muthu spend altogether? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 End-of-Year Exam Q35",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Two types of cardboard are sold at the prices shown. A small cardboard costs \\$3 and a large cardboard costs \\$5. Meiling bought a total of 23 cardboards. She paid \\$85 altogether. How many small cardboards did she buy? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 End-of-Year Exam Q36",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the number of pancakes and tarts sold in a cafe from Friday to Sunday.<br>Friday: pancakes 45, tarts 42. Saturday: pancakes 52, tarts 33. Sunday: pancakes 48, tarts 51.<br>(a) On which day were there more tarts sold than pancakes? [?]<br>(b) Each pancake was sold at \\$3. How much more money was collected from the sale of the pancakes on Saturday than on Friday? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 End-of-Year Exam Q42",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Cassie and Eli had some orange juice at first. Cassie gave $$\\frac{3}{4}$$ ℓ of orange juice to Dayan. Eli then gave Cassie $$\\frac{5}{8}$$ ℓ of orange juice. Cassie had $$\\frac{9}{10}$$ ℓ of orange juice in the end. How much orange juice did Cassie have at first? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{40}\\)",
    "answer1": "\\(1\\dfrac{2}{40}\\)",
    "answer2": "\\(2\\dfrac{1}{40}\\)",
    "answer3": "\\(1\\dfrac{1}{40}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2024 P4 Term 1 Review Q4",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the value of $$7120 \\div 4$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 Term 1 Review Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the first common multiple of 4 and 6?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 Term 1 Review Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Use all the 5 digits to form the smallest 5-digit even number.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 Term 1 Review Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Sharon has 4 crayons. The colours of the crayons are red, blue, green and yellow. She needs to choose 2 different colours for her drawing. How many different ways can she choose the 2 different crayons?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 Term 1 Review Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Amelia, Brenda and Charlotte sold a total of 4678 funfair tickets. Amelia sold twice as many funfair tickets as Brenda. Charlotte sold 187 less funfair tickets than Amelia. How many funfair tickets did Charlotte sell?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 Term 2 Review Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The graph shows the number of 20-cent coins James saved in 5 months. How many 20-cent coins did James save in May?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 Term 2 Review Q3",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The graph shows the number of 20-cent coins James saved in 5 months. How many more 20-cent coins did James save in February than in April?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2024 P4 Term 2 Review Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There are 40 students in the class. \\(\\dfrac{3}{8}\\) of them are boys. How many girls are there in the class?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2025 P4 End-of-Year Exam Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the amount of money earned by 5 shops last week.<br>Shop A: \\$900, Shop B: \\$650, Shop C: \\$1000, Shop D: \\$800, Shop E: \\$650.<br>Which of the following bar graphs best represents the data shown in the table?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2025 P4 End-of-Year Exam Q15",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the prices of highlighters and pens sold in a shop in June and July.<br>Highlighter: June \\$3.50, July \\$2.80. Pen: June \\$2.60, July \\$1.70.<br>Meiling bought 6 highlighters and 4 pens in June. Nancy bought 6 highlighters and 4 pens in July. How much more money did Meiling spend than Nancy?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2025 P4 End-of-Year Exam Q17",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$3\\frac{4}{5}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{19}{5}\\)",
    "answer1": "\\(\\dfrac{5}{19}\\)",
    "answer2": "\\(\\dfrac{20}{5}\\)",
    "answer3": "\\(\\dfrac{19}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2025 P4 End-of-Year Exam Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{5}{8} + \\frac{3}{4}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{3}{8}\\)",
    "answer1": "\\(1\\dfrac{4}{8}\\)",
    "answer2": "\\(2\\dfrac{3}{8}\\)",
    "answer3": "\\(1\\dfrac{2}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2025 P4 End-of-Year Exam Q29",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Harif spent \\$17.60 on a shirt. He spent \\$4.85 more on the shirt than on a pair of shorts. How much did Harif spend altogether?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 1 Q4",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 5729 is divided by 9?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 1 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "List down all the common factors of 15 and 42.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 1 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "(a) Find the 7th multiple of 4.<br>(b) List down the second common multiple of 6 and 9.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Use the digits given below to answer each of the following questions. Each digit can only be used once.<br>3  8  6  2  1<br>(a) Form the greatest 5-digit even number.<br>(b) Form the smallest 4-digit odd number.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Denise has some stamps and pens. She has as many stamps as pens. When she gives each friend 3 pens, she will have 9 pens left. When each friend gets 4 stamps from Denise, she will have 6 extra stamps. How many friends does Denise have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Devi baked 675 cookies on Saturday. She baked 4 times as many cookies on Sunday as on Saturday.<br>(a) How many cookies did she bake on Sunday?<br>(b) Devi packed all the cookies that she baked on Saturday into boxes. Each box had 5 cookies. How many boxes of cookies did she pack? Round your answer to the nearest ten.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 2 Q4",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the number of stickers sold over 4 months.<br>Find the difference between the number of stickers sold in March and April.<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 2 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Lucy had \\$954. She spent $$\\frac{5}{9}$$ of her money to buy a pair of shoes. How much had she left after buying the pair of shoes?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": null,
    "answer1": null,
    "answer2": "\\(2\\dfrac{2}{5}\\)",
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Ali drank $$\\frac{7}{10}$$ $$\\ell$$ of water. He drank $$\\frac{1}{5}$$ $$\\ell$$ of water more than Harry. How much water did Ali and Harry drink in total? Give your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{2}{10}\\)",
    "answer1": "\\(1\\dfrac{3}{10}\\)",
    "answer2": "\\(2\\dfrac{2}{10}\\)",
    "answer3": "\\(1\\dfrac{1}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Jim had 3 pieces of rope. Rope A is the longest. Its length is $$\\frac{9}{10}$$ m. The difference between the lengths of Rope A and Rope B is $$\\frac{3}{4}$$ m.<br>(a) What is the length of Rope B, in m? Give your answer in its simplest form.<br>(b) Rope B is the shortest. The difference between the lengths of Rope B and Rope C is $$\\frac{1}{2}$$ m. What is the length of Rope C, in m?",
    "answer0": "\\(\\dfrac{3}{20}\\) , \\(\\dfrac{13}{20}\\)",
    "answer1": "\\(\\dfrac{13}{20}\\) , \\(\\dfrac{3}{20}\\)",
    "answer2": "\\(\\dfrac{13}{20}\\) , \\(\\dfrac{3}{20}\\)",
    "answer3": "\\(\\dfrac{13}{20}\\) , \\(\\dfrac{3}{20}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Nanyang 2025 P4 Weighted Assessment 2 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A fruit seller sold some apples, pears and watermelons. $$\\frac{2}{7}$$ of the fruits sold were pears, $$\\frac{4}{7}$$ of the fruits sold were apples and the rest of the fruits sold were watermelons. He sold 360 more apples than watermelons.<br>(a) How many pears did the fruit seller sell?<br>(b) How many apples, pears and watermelons did the fruit seller sell in total?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr Ling sold 8 sofas and some carpets for \\$5928. The sofa cost \\$645 each. How much did the carpets cost?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q14",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Jerry bought 3 apples and 1 orange. The cost of 3 apples was \\$5.25. An apple cost \\$0.60 less than an orange. What was the cost of an orange?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$3\\frac{5}{8}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{29}{8}\\)",
    "answer1": "\\(\\dfrac{8}{29}\\)",
    "answer2": "\\(\\dfrac{30}{8}\\)",
    "answer3": "\\(\\dfrac{29}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q19",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$\\frac{7}{9}-\\frac{2}{3}$$.",
    "answer0": "\\(\\dfrac{1}{9}\\)",
    "answer1": "\\(\\dfrac{9}{1}\\)",
    "answer2": "\\(\\dfrac{2}{9}\\)",
    "answer3": "\\(\\dfrac{1}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q21",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the smallest to the greatest.<br>$$\\frac{5}{6}$$, $$\\frac{5}{12}$$, $$\\frac{11}{12}$$",
    "answer0": "\\(\\dfrac{5}{12}\\) , \\(\\dfrac{5}{6}\\) , \\(\\dfrac{11}{12}\\)",
    "answer1": "\\(\\dfrac{11}{12}\\) , \\(\\dfrac{5}{6}\\) , \\(\\dfrac{5}{12}\\)",
    "answer2": "\\(\\dfrac{5}{6}\\) , \\(\\dfrac{11}{12}\\) , \\(\\dfrac{5}{12}\\)",
    "answer3": "\\(\\dfrac{5}{12}\\) , \\(\\dfrac{11}{12}\\) , \\(\\dfrac{5}{6}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q31",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Siva had some money. She bought 7 books for \\$8.65 and had \\$7.45 left. How much money did Siva have at first? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q32",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mrs Chan had 5 $$l$$ of orange juice. Her daughter drank $$\\frac{3}{5}$$ $$l$$ of it. How much orange juice had Mrs Chan left?",
    "answer0": "\\(4\\dfrac{2}{5}\\)",
    "answer1": "\\(4\\dfrac{3}{5}\\)",
    "answer2": "\\(5\\dfrac{2}{5}\\)",
    "answer3": "\\(4\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q34",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "At first, Mei Hua had \\$48 less than Celeste. Mei Hua then gave \\$36 to Celeste. How much more money did Celeste have than Mei Hua in the end? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q36",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the ticket prices to an amusement park during the weekdays and weekends.<br>Adult: weekdays \\$14.50 per ticket, weekend \\$31 for 2 tickets.<br>Child below 12 years old: weekdays \\$6.90 per ticket, weekend \\$8.90 per ticket.<br>(a) Mr Omar took his child, Suresh, to the park on Monday. Suresh was 6 years old. How much did Mr Omar pay for their tickets? [?]<br>(b) On Saturday, Mr and Mrs Johnson took their 3 children to the park. Their eldest child was 11 years old. How much did Mr Johnson pay for their tickets? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q40",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There are 36 pupils in a class. There are 12 boys in the class.<br>(a) What fraction of the class are girls? Express your answer in the simplest form. <br>(b) $$\\frac{4}{9}$$ of the pupils in the class wear spectacles. How many pupils do not wear spectacles?",
    "answer0": "\\(\\dfrac{2}{3}\\) , 20",
    "answer1": "20 , \\(\\dfrac{2}{3}\\)",
    "answer2": "20 , \\(\\dfrac{2}{3}\\)",
    "answer3": "20 , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Pei Chun 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mike bought 5 pens and 2 erasers. Kelly bought 2 pens and 5 erasers. Mike paid \\$2.40 more than Kelly. An eraser cost \\$0.95.<br>(a) How much more does a pen cost than an eraser? [?]<br>(b) What was the cost of a pen? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Hwa 2023 P4 End of Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$1 - \\frac{1}{8} - \\frac{1}{4}$$.",
    "answer0": "\\(\\dfrac{5}{8}\\)",
    "answer1": "\\(\\dfrac{8}{5}\\)",
    "answer2": "\\(\\dfrac{6}{8}\\)",
    "answer3": "\\(\\dfrac{5}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Pei Hwa 2023 P4 End of Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$2\\frac{3}{7}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{17}{7}\\)",
    "answer1": "\\(\\dfrac{7}{17}\\)",
    "answer2": "\\(\\dfrac{18}{7}\\)",
    "answer3": "\\(\\dfrac{17}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Pei Hwa 2023 P4 End of Year Exam Q26",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.6 as a fraction.",
    "answer0": "\\(\\dfrac{3}{5}\\)",
    "answer1": "\\(\\dfrac{5}{3}\\)",
    "answer2": "\\(\\dfrac{4}{5}\\)",
    "answer3": "\\(\\dfrac{3}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Pei Hwa 2023 P4 End of Year Exam Q31",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "David spent $$\\frac{1}{5}$$ of his money on a wallet and gave \\$90 to his mother. He had \\$104 left. How much money did he spend on the wallet?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Hwa 2023 P4 End of Year Exam Q41",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "At a concert, $$\\frac{3}{10}$$ of the audience are women and $$\\frac{1}{5}$$ of the audience are men. The rest of the audience are children.<br>(a) What fraction of the audience are children? [Leave your answer in the simplest form]<br>(b) There are 180 more children than women. How many women and men are there altogether?<br>(a) <br>(b)",
    "answer0": "\\(\\dfrac{1}{2}\\) , 450",
    "answer1": "450 , \\(\\dfrac{1}{2}\\)",
    "answer2": "450 , \\(\\dfrac{1}{2}\\)",
    "answer3": "450 , \\(\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Pei Hwa 2023 P4 End of Year Exam Q42",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Andy, Ben and Cindy share \\$1900 altogether. Ben has \\$145 more than Cindy. Cindy has twice as much money as Andy.<br>(a) How much money does Andy have?<br>(b) Find the total amount of money Ben and Cindy have.<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Hwa 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "A bottle had some amount of milk at first. Peter drank $$\\frac{1}{4}$$ $$l$$ of milk in the morning and $$\\frac{1}{5}$$ $$l$$ of milk in the afternoon.<br>(a) How many litres of milk did Peter drink in total?<br>(b) Peter had $$\\frac{3}{5}$$ $$l$$ of milk at first. What was the amount of milk left in the bottle?<br>(a) <br>(b)",
    "answer0": "\\(\\dfrac{9}{20}\\) , \\(\\dfrac{3}{20}\\)",
    "answer1": "\\(\\dfrac{3}{20}\\) , \\(\\dfrac{9}{20}\\)",
    "answer2": "\\(\\dfrac{3}{20}\\) , \\(\\dfrac{9}{20}\\)",
    "answer3": "\\(\\dfrac{3}{20}\\) , \\(\\dfrac{9}{20}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "An adult ticket cost \\$5 and a child ticket cost \\$2.<br>There were as many children as adults at the funfair.<br>The total amount of money collected from the admission tickets was \\$9520.<br>How many people were at the funfair altogether?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "(a) What is the largest multiple of 6 that is smaller than 50?<br>(b) What is the common factor of 15 and 24 that is greater than 1?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The mass of a papaya when rounded to the nearest hundred is 300 g.<br>(a) What is the smallest possible mass of the papaya?<br>(b) What is the greatest possible mass of the papaya?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Tan made some apple juice.<br>He drank 320 ml of apple juice and divided the remaining equally into 8 glasses.<br>Each glass contained 275 ml of apple juice.<br>How many millilitres of apple juice did he make?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 1 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Amelia has 9 more marbles than Caleb. She has 12 less marbles than Bala. They have 3795 marbles altogether.<br>(a) How many more marbles does Bala have than Caleb?<br>(b) How many marbles does Caleb have?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 1 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Paul had 24 more books than Queenie. After Queenie gave Paul 60 books, Paul had 7 times as many books as Queenie. How many books did Queenie have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 1 Q16",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Shop A and Shop B sell the same watch. Shop A retail price is \\$27. Shop B retail price is \\$36.<br>(a) Which shop sells the watch for a lower price? (write A or B)<br>(b) Jacob bought some watches from Shop B. Andre spent the same amount of money as Jacob at Shop A. Andre bought 8 more watches than Jacob. How many watches did Jacob buy?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 3 Q10",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Nora paid \\$164.20 for some pillows and 4 bolsters. The pillows cost \\$76.80. How much did each bolster cost?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 3 Q11",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Subtract $$\\frac{1}{8}$$ from 4.<br>Express your answer as an improper fraction.",
    "answer0": "\\(\\dfrac{31}{8}\\)",
    "answer1": "\\(\\dfrac{8}{31}\\)",
    "answer2": "\\(\\dfrac{32}{8}\\)",
    "answer3": "\\(\\dfrac{31}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 3 Q12",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "In the number line, what is the mixed number represented by A?",
    "answer0": "\\(2\\dfrac{1}{6}\\)",
    "answer1": "\\(2\\dfrac{2}{6}\\)",
    "answer2": "\\(3\\dfrac{1}{6}\\)",
    "answer3": "\\(2\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 3 Q13",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write a fraction between $$\\frac{1}{3}$$ and $$\\frac{1}{4}$$.",
    "answer0": "\\(\\dfrac{7}{24}\\)",
    "answer1": "\\(\\dfrac{24}{7}\\)",
    "answer2": "\\(\\dfrac{8}{24}\\)",
    "answer3": "\\(\\dfrac{7}{25}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 3 Q18",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Henry and Jason had the same amount of money. After Jason bought 5 comic books, Henry had 4 times as much money as him. Comic book: \\$15.60 each. How much did Jason have left after buying the comic books?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 3 Q21",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr Lim and his son are travelling together.<br>Transportation Fees &mdash; Cost of Mode A: Adult Ticket \\$12.50, Child Ticket \\$8.90. Cost of Mode B: Adult Ticket \\$16.80, Child Ticket \\$5.40.<br>Which mode of transportation is cheaper and how much can Mr Lim save?<br>Cheaper mode: Mode [?], Amount saved: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 3 Q22",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Doreen had some beads for sale. She sold $$\\frac{1}{3}$$ of the beads in the morning and $$\\frac{2}{5}$$ of the beads in the afternoon. (a) What fraction of the beads was left? (b) Doreen had 28 beads left. How many beads did she have at first?<br>(a) , (b)",
    "answer0": "\\(\\dfrac{4}{15}\\) , 105",
    "answer1": "105 , \\(\\dfrac{4}{15}\\)",
    "answer2": "105 , \\(\\dfrac{4}{15}\\)",
    "answer3": "105 , \\(\\dfrac{4}{15}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Pei Hwa 2023 P4 Weighted Assessment 3 Q23",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "8 apples and an orange cost \\$8.60. 4 apples and an orange cost \\$5. (a) Find the cost of an apple. (b) Find the cost of an orange.<br>(a) \\$[?], (b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2023 P4 End of Year Exam Q8",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the prices of tickets to a theme park.<br>Adult: \\$15<br>Child: \\$9<br>Mrs Tan wants to buy tickets for two adults and three children. How much does she have to pay in total?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2023 P4 End of Year Exam Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Jamie bought 8 boxes of biscuits. Each box of biscuits cost \\$1.20. She gave the cashier \\$50. How much change did Jamie receive?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2023 P4 End of Year Exam Q20",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are equivalent to $$\\frac{6}{8}$$?<br>$$\\frac{12}{16}$$, $$\\frac{5}{7}$$, $$\\frac{4}{5}$$, $$\\frac{3}{4}$$<br> and",
    "answer0": "\\(\\dfrac{12}{16}\\) , \\(\\dfrac{3}{4}\\)",
    "answer1": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{12}{16}\\)",
    "answer2": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{12}{16}\\)",
    "answer3": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{12}{16}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2023 P4 End of Year Exam Q21",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{5}{6}+\\frac{2}{3}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{2}\\)",
    "answer1": "\\(1\\dfrac{2}{2}\\)",
    "answer2": "\\(2\\dfrac{1}{2}\\)",
    "answer3": "\\(1\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "PLMGS 2023 P4 End of Year Exam Q28",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "At a funfair, $$\\frac{5}{12}$$ of the people were children, $$\\frac{1}{3}$$ of the people were men and the rest were women. What fraction of the people were women? Express your answer as a fraction in its simplest form.",
    "answer0": "\\(\\dfrac{1}{4}\\)",
    "answer1": "\\(\\dfrac{4}{1}\\)",
    "answer2": "\\(\\dfrac{2}{4}\\)",
    "answer3": "\\(\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "PLMGS 2023 P4 End of Year Exam Q37",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A pair of trousers cost \\$132. It cost \\$27 more than a shirt. Mr Lee bought a pair of trousers and 4 shirts.<br>(a) How much did a shirt cost?<br>(b) How much did Mr Lee pay for a pair of trousers and 4 shirts altogether?<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2023 P4 End of Year Exam Q39",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There were some stickers in a box. Mariam took $$\\frac{3}{8}$$ of the stickers and Amy took the rest. Mariam took 36 fewer stickers than Amy.<br>(a) What fraction of the stickers did Amy take?<br>(b) How many stickers were in the box in total?<br>(a) <br>(b)",
    "answer0": "\\(\\dfrac{5}{8}\\) , 144",
    "answer1": "144 , \\(\\dfrac{5}{8}\\)",
    "answer2": "144 , \\(\\dfrac{5}{8}\\)",
    "answer3": "144 , \\(\\dfrac{5}{8}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2023 P4 End of Year Exam Q41",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Ahmad and Jack had the same amount of money at first. After Ahmad had spent \\$37 and Jack had received \\$15, Jack had 3 times as much money as Ahmad in the end.<br>(a) How much more money did Jack have than Ahmad in the end?<br>(b) How much money did Jack have at first?<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2023 P4 End of Year Exam Q42",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Tina saved some money from Monday to Friday. Each day, she saved \\$1 more than the previous day. At the end of Wednesday, she saved a total of \\$38.70.<br>(a) How much money did Tina save on Wednesday?<br>(b) How much money did she save on Friday?<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2023 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following in decreasing order.<br>$$\\frac{11}{4}$$ , $$1\\frac{1}{6}$$ , 1 , $$\\frac{8}{3}$$",
    "answer0": "\\(\\dfrac{11}{4}\\) , \\(\\dfrac{8}{3}\\) , \\(1\\dfrac{1}{6}\\) , 1",
    "answer1": "1 , \\(1\\dfrac{1}{6}\\) , \\(\\dfrac{8}{3}\\) , \\(\\dfrac{11}{4}\\)",
    "answer2": "\\(\\dfrac{8}{3}\\) , \\(1\\dfrac{1}{6}\\) , 1 , \\(\\dfrac{11}{4}\\)",
    "answer3": "\\(\\dfrac{11}{4}\\) , \\(1\\dfrac{1}{6}\\) , 1 , \\(\\dfrac{8}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (4 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2023 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr Chen bought 6 similar dining chairs for \\$1428. A sofa cost 10 times as much as a dining chair. How much did the sofa cost?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2023 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Alan made some lime juice on Monday and Tuesday. He made $$\\frac{7}{8}$$ $$l$$ of lime juice on Monday. He made $$\\frac{2}{5}$$ $$l$$ more lime juice on Monday than Tuesday.<br>(a) How much lime juice did he make on Tuesday?<br>(b) What was the total amount of lime juice that he had made on both days? Give your answer in the simplest form.<br>(a) <br>(b)",
    "answer0": "\\(\\dfrac{19}{40}\\) , \\(1\\dfrac{7}{20}\\)",
    "answer1": "\\(1\\dfrac{7}{20}\\) , \\(\\dfrac{19}{40}\\)",
    "answer2": "\\(1\\dfrac{7}{20}\\) , \\(\\dfrac{19}{40}\\)",
    "answer3": "\\(1\\dfrac{7}{20}\\) , \\(\\dfrac{19}{40}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2023 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of<br>(a) $$\\frac{2}{3}$$ + $$\\frac{5}{9}$$. Express your answer as a mixed number. <br>(b) $$\\frac{7}{8}$$ − $$\\frac{5}{6}$$",
    "answer0": "\\(1\\dfrac{2}{9}\\) , \\(\\dfrac{1}{24}\\)",
    "answer1": "\\(\\dfrac{1}{24}\\) , \\(1\\dfrac{2}{9}\\)",
    "answer2": "\\(\\dfrac{1}{24}\\) , \\(1\\dfrac{2}{9}\\)",
    "answer3": "\\(\\dfrac{1}{24}\\) , \\(1\\dfrac{2}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2023 P4 Weighted Assessment 2 Q10",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The prices of cupcakes sold by Delicious Bakery are listed. 1 cupcake costs \\$5, with an offer 'Buy 3 and Get 4th one free'. Mr Phua wants to buy 17 cupcakes. What is the least amount he has to pay for the cupcakes that are on offer? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2023 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Ray walked $$5\\frac{3}{4}$$ km. He walked $$\\frac{2}{5}$$ km less than John. What was the total distance they had walked? Express your answer in the simplest form.  km",
    "answer0": "\\(11\\dfrac{9}{10}\\)",
    "answer1": "\\(11\\dfrac{10}{10}\\)",
    "answer2": "\\(12\\dfrac{9}{10}\\)",
    "answer3": "\\(11\\dfrac{8}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "PLMGS 2024 P4 End-of-Year Exam Q8",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the prices of tickets to a theme park.<br>Adult: \\$15<br>Child: \\$9<br>Mrs Tan wants to buy tickets for two adults and three children. How much does she have to pay in total?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2024 P4 End-of-Year Exam Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Jamie bought 8 boxes of biscuits. Each box of biscuits cost \\$1.20. She gave the cashier \\$50. How much change did Jamie receive?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2024 P4 End-of-Year Exam Q20",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are equivalent to $$\\frac{6}{8}$$?<br>$$\\frac{12}{16}$$, $$\\frac{5}{7}$$, $$\\frac{4}{5}$$, $$\\frac{3}{4}$$<br> and",
    "answer0": "\\(\\dfrac{12}{16}\\) , \\(\\dfrac{3}{4}\\)",
    "answer1": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{12}{16}\\)",
    "answer2": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{12}{16}\\)",
    "answer3": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{12}{16}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2024 P4 End-of-Year Exam Q21",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{5}{6} + \\frac{2}{3}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{2}\\)",
    "answer1": "\\(1\\dfrac{2}{2}\\)",
    "answer2": "\\(2\\dfrac{1}{2}\\)",
    "answer3": "\\(1\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "PLMGS 2024 P4 End-of-Year Exam Q28",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "At a funfair, $$\\frac{5}{12}$$ of the people were children, $$\\frac{1}{3}$$ of the people were men and the rest were women. What fraction of the people were women? Express your answer as a fraction in its simplest form.",
    "answer0": "\\(\\dfrac{1}{4}\\)",
    "answer1": "\\(\\dfrac{4}{1}\\)",
    "answer2": "\\(\\dfrac{2}{4}\\)",
    "answer3": "\\(\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "PLMGS 2024 P4 End-of-Year Exam Q37",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A pair of trousers cost \\$132. It cost \\$27 more than a shirt. Mr Lee bought a pair of trousers and 4 shirts.<br>(a) How much did a shirt cost?<br>(b) How much did Mr Lee pay for a pair of trousers and 4 shirts altogether?<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2024 P4 End-of-Year Exam Q39",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There were some stickers in a box. Mariam took $$\\frac{3}{8}$$ of the stickers and Amy took the rest. Mariam took 36 fewer stickers than Amy.<br>(a) What fraction of the stickers did Amy take?<br>(b) How many stickers were in the box in total?<br>(a) <br>(b)",
    "answer0": "\\(\\dfrac{5}{8}\\) , 144",
    "answer1": "144 , \\(\\dfrac{5}{8}\\)",
    "answer2": "144 , \\(\\dfrac{5}{8}\\)",
    "answer3": "144 , \\(\\dfrac{5}{8}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2024 P4 End-of-Year Exam Q41",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Ahmad and Jack had the same amount of money at first. After Ahmad had spent \\$37 and Jack had received \\$15, Jack had 3 times as much money as Ahmad in the end.<br>(a) How much more money did Jack have than Ahmad in the end?<br>(b) How much money did Jack have at first?<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2024 P4 End-of-Year Exam Q42",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Tina saved some money from Monday to Friday. Each day, she saved \\$1 more than the previous day. At the end of Wednesday, she saved a total of \\$38.70.<br>(a) How much money did Tina save on Wednesday?<br>(b) How much money did she save on Friday?<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2025 P4 End-of-Year Exam Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange these fractions from the smallest to the greatest.<br>$$\\frac{8}{11}$$ , $$\\frac{1}{2}$$ , $$\\frac{5}{11}$$<br>Ans:  (smallest) ,  ,  (greatest)",
    "answer0": "\\(\\dfrac{5}{11}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{8}{11}\\)",
    "answer1": "\\(\\dfrac{8}{11}\\) , \\(\\dfrac{1}{2}\\) , \\(\\dfrac{5}{11}\\)",
    "answer2": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{8}{11}\\) , \\(\\dfrac{5}{11}\\)",
    "answer3": "\\(\\dfrac{5}{11}\\) , \\(\\dfrac{8}{11}\\) , \\(\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2025 P4 End-of-Year Exam Q20",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Rectangle PQRS is made up of 8 unit squares. What fraction of rectangle PQRS is shaded?",
    "answer0": "\\(\\dfrac{3}{8}\\)",
    "answer1": "\\(\\dfrac{8}{3}\\)",
    "answer2": "\\(\\dfrac{4}{8}\\)",
    "answer3": "\\(\\dfrac{3}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "PLMGS 2025 P4 End-of-Year Exam Q21",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.6 as a fraction.",
    "answer0": "\\(\\dfrac{6}{10}\\)",
    "answer1": "\\(\\dfrac{10}{6}\\)",
    "answer2": "\\(\\dfrac{7}{10}\\)",
    "answer3": "\\(\\dfrac{6}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "PLMGS 2025 P4 End-of-Year Exam Q29",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Gladys jogged a distance of $$\\frac{2}{3}$$ km. She jogged $$\\frac{1}{5}$$ km more than the distance jogged by Ben. What was the total distance Gladys and Ben jogged? Give your answer as a mixed number.<br>Ans:  km",
    "answer0": "\\(1\\dfrac{2}{15}\\)",
    "answer1": "\\(1\\dfrac{3}{15}\\)",
    "answer2": "\\(2\\dfrac{2}{15}\\)",
    "answer3": "\\(1\\dfrac{1}{15}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "PLMGS 2025 P4 End-of-Year Exam Q38",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Farid baked some cookies. He gave away $$\\frac{3}{10}$$ of his cookies to his friends and gave away $$\\frac{1}{2}$$ of his cookies to his siblings. He had 50 cookies left.<br>(a) What fraction of Farid's cookies was left?<br>Ans: (a) <br>(b) How many cookies did Farid bake?<br>Ans: (b)",
    "answer0": "\\(\\dfrac{2}{10}\\) , 250",
    "answer1": "250 , \\(\\dfrac{2}{10}\\)",
    "answer2": "250 , \\(\\dfrac{2}{10}\\)",
    "answer3": "250 , \\(\\dfrac{2}{10}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2025 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The line graph shows Dawn's savings over 6 weeks.<br>(a) What was Dawn's savings in Week 4? $$\\$$[?]<br>(b) During which 1-week period was the increase in Dawn's savings the greatest? Week [?] to Week [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2025 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "(a) What is the mixed number represented by A on the number line shown? Express your answer in the simplest form. <br>(b) Name a fraction greater than $$\\frac{2}{5}$$ but smaller than $$\\frac{4}{7}$$.",
    "answer0": "\\(1\\dfrac{2}{3}\\) , \\(\\dfrac{3}{7}\\)",
    "answer1": "\\(\\dfrac{3}{7}\\) , \\(1\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{3}{7}\\) , \\(1\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{3}{7}\\) , \\(1\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2025 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Jenny bought 2 tables and 3 chairs. Each table cost twice as much as a chair. Jenny spent a total of \\$378.<br>(a) Find the cost of a chair. $$\\$$[?]<br>(b) Find the cost of the 2 tables. $$\\$$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2025 P4 Weighted Assessment 2 Q5",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following from the greatest to the smallest.<br>$$1\\frac{1}{9}$$, $$\\frac{4}{5}$$, $$\\frac{7}{6}$$<br>Greatest: , ,  :Smallest",
    "answer0": "\\(\\dfrac{7}{6}\\) , \\(1\\dfrac{1}{9}\\) , \\(\\dfrac{4}{5}\\)",
    "answer1": "\\(\\dfrac{4}{5}\\) , \\(1\\dfrac{1}{9}\\) , \\(\\dfrac{7}{6}\\)",
    "answer2": "\\(1\\dfrac{1}{9}\\) , \\(\\dfrac{4}{5}\\) , \\(\\dfrac{7}{6}\\)",
    "answer3": "\\(\\dfrac{7}{6}\\) , \\(\\dfrac{4}{5}\\) , \\(1\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "PLMGS 2025 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A shop sells bottled drinks at \\$2.50 each. Now, the shop is having a special offer for the bottled drinks: 2 bottles for \\$4.60. Mrs Ho needs to buy 7 bottles of drinks. What is the least amount of money she needs to pay?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "PLMGS 2025 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{5}{6}+\\frac{2}{3}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{2}\\)",
    "answer1": "\\(1\\dfrac{2}{2}\\)",
    "answer2": "\\(2\\dfrac{1}{2}\\)",
    "answer3": "\\(1\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q6",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "\\(5\\dfrac{2}{3}\\) = [?]/3. What is the missing number in the box?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q10",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{4}{8}\\)",
    "answer1": "\\(\\dfrac{4}{12}\\)",
    "answer2": "\\(\\dfrac{8}{4}\\)",
    "answer3": "\\(\\dfrac{8}{12}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q17",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write \\(\\dfrac{46}{7}\\) as a mixed number.",
    "answer0": "\\(6\\dfrac{4}{7}\\)",
    "answer1": "\\(6\\dfrac{5}{7}\\)",
    "answer2": "\\(7\\dfrac{4}{7}\\)",
    "answer3": "\\(6\\dfrac{3}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q20",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of \\(\\dfrac{5}{6}\\) + \\(\\dfrac{1}{3}\\)? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{6}\\)",
    "answer1": "\\(1\\dfrac{2}{6}\\)",
    "answer2": "\\(2\\dfrac{1}{6}\\)",
    "answer3": "\\(1\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q23",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are smaller than \\(\\dfrac{1}{2}\\)? \\(\\dfrac{2}{11}\\) , \\(\\dfrac{3}{10}\\) , \\(\\dfrac{4}{8}\\) , \\(\\dfrac{5}{7}\\)  and",
    "answer0": "\\(\\dfrac{2}{11}\\) , \\(\\dfrac{3}{10}\\)",
    "answer1": "\\(\\dfrac{3}{10}\\) , \\(\\dfrac{2}{11}\\)",
    "answer2": "\\(\\dfrac{3}{10}\\) , \\(\\dfrac{2}{11}\\)",
    "answer3": "\\(\\dfrac{3}{10}\\) , \\(\\dfrac{2}{11}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.7 as a fraction.",
    "answer0": "\\(\\dfrac{7}{10}\\)",
    "answer1": "\\(\\dfrac{10}{7}\\)",
    "answer2": "\\(\\dfrac{8}{10}\\)",
    "answer3": "\\(\\dfrac{7}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q27",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "3 cupcakes cost \\$2.95. How much do 12 cupcakes cost? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q34",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Goh bought a dress and 2 skirts for \\$250. The dress cost \\$71.50 more than a skirt. How much was the cost of 1 skirt? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q36",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A pen cost \\$1.20 and a ruler cost \\$0.40. Sue bought 6 pens and 5 rulers. How much more did she pay for the pens than the rulers? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q37",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The line graph shows the amount of money Dave saved each month. How many months did Dave save more than \\$1000? [?] How much did Dave save from October to December? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q38",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The figure shows the distances between Towns P, Q, R, S and T. The distance between Town P and Town Q is \\(\\dfrac{1}{6}\\) km shorter than distance between Town Q and Town R. What is the distance between Town P and Town S? (Give your answer as a mixed number in its simplest form.)",
    "answer0": "\\(1\\dfrac{7}{12}\\)",
    "answer1": "\\(1\\dfrac{8}{12}\\)",
    "answer2": "\\(2\\dfrac{7}{12}\\)",
    "answer3": "\\(1\\dfrac{6}{12}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles Girls 2022 P4 Semestral Assessment 2 Q43",
    "fix_types": [
      "dollar_math",
      "frac_text"
    ],
    "type_id": null,
    "question": "Mrs Lim baked 300 fruit tarts. \\(\\dfrac{1}{2}\\) of them were pineapple tarts, \\(\\dfrac{2}{5}\\) of them were strawberry tarts and the remaining were mango tarts. How many mango tarts did she bake? [?] Mrs Lim sold the pineapple and strawberry tarts at 5 for \\$9. How much would Mrs Lim collect from her sale of all the pineapple and strawberry tarts? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 1 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The Tan family arrived at the Singapore Zoological Gardens at 11.30 a.m. and left at 3.40 p.m. How long was their visit to the zoo?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A show started at 11.55 p.m. and ended 1 hour 45 minutes later. At what time did the show end?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The MRT trains depart at intervals of 12 minutes. Find the time of departure of the fourth train if the first train departs at 7.45 p.m.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Victor exercises 4 times a week. He exercises 2 hours each time. How many weeks will Victor need to reach 200 hours of exercise?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Cameron's watch shows the wrong time. When he left his house at 7.03 a.m., his watch showed the time as 7.15 a.m. Cameron has an appointment with the dentist at 9.45 a.m. When he arrived, his watch showed the time as 10.40 a.m. How many minutes late was he for his appointment?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "When it is 08 15 in Singapore, it is 09 15 in Seoul. Penny took a flight from Singapore to Seoul at 08 15 for a conference. The flight lasted 4 h 50 min. What time was it in Seoul when the flight landed?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "When it is 10 00 in Country A, it is 08 40 in Singapore. Zacchaeus took a flight from Country A at 09 00 to Singapore. The flight lasted 3 h 29 min. What time was it in Singapore when the flight landed? Express your answer using the 24-hour clock.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Two lighthouses flash their lights every 24 seconds and 60 seconds respectively. They flash together at 8.40 p.m. When is the next time the two lighthouses will flash their lights together again?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Study the figure. Using a protractor, measure ∠LPO.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Measure ∠k.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Measure ∠ABC.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles Girls 2022 P4 Weighted Assessment 2 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is a square. Calculate the value of ∠ACD. *Do not measure.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 1243 and 3.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write down all the common factors of 15 and 24.\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q18",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of a square and a rectangle. Find the area of the figure.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q19",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Measure ∠r.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Eunice used $$\\frac{4}{5}$$ m of ribbon to make a bow tie. She used $$\\frac{1}{2}$$ m less ribbon to tie a present. How much ribbon did she use to tie the present?",
    "answer0": "\\(\\dfrac{3}{10}\\)",
    "answer1": "\\(\\dfrac{10}{3}\\)",
    "answer2": "\\(\\dfrac{4}{10}\\)",
    "answer3": "\\(\\dfrac{3}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q25",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "List all the common factors of 27 and 36.\n[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q26",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions in order, starting from the smallest.<br>$$\\frac{2}{3}$$ , $$\\frac{3}{4}$$ , $$\\frac{1}{2}$$",
    "answer0": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{2}{3}\\) , \\(\\dfrac{3}{4}\\)",
    "answer1": "\\(\\dfrac{3}{4}\\) , \\(\\dfrac{2}{3}\\) , \\(\\dfrac{1}{2}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{3}{4}\\) , \\(\\dfrac{1}{2}\\)",
    "answer3": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{3}{4}\\) , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q28",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The graph shows the number of visitors who visited a museum from June to October. How many more visitors visited the museum in October than July?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The sum of two numbers is 2784. The greater number is thrice the value of the smaller number. Find the smaller number.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q31",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Selvi had 1050 marbles. John had 390 marbles. John gave 50 marbles to Selvi. How many more marbles had Selvi than John in the end?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of a rectangle and two identical squares. The perimeter of the figure is 60 cm. Find the length of BC.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A square piece of paper was folded at a corner. KL = LN and LN = 7cm. Find the perimeter of the piece of paper before it was folded.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Siti had a rectangular piece of paper, 27 cm by 12 cm. She cut out a square of side 5 cm from the paper. What is the area of the remaining piece of paper?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The total length of 2 identical wires and 2 identical ribbons was 1080 cm. The length of 1 such wire was 2 times the length of 1 such ribbon. What was the length of 2 ribbons?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q39",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There were some passengers in a bus. The bus stopped at Bus Stop Q first, followed by Bus Stop R. At Bus Stop Q, 9 passengers alighted and 15 passengers boarded. At Bus Stop R, half of the passengers alighted and 23 passengers were left on the bus. How many passengers were on the bus at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q40",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A magazine cost \\$4. It cost \\$1 less than a coin pouch. Cindy bought 3 such magazines and gave the cashier \\$50.<br>(a) How much did a coin pouch cost?<br>(b) What is the greatest number of coin pouches that she can buy with the remaining amount of money?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Siti had some pears. When she packed them in bags of 6, she had 2 pears left. When she packed them in bags of 7, she was short of 3 pears. What was the smallest possible number of pears that Siti had?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "4 identical glasses can hold as much water as a bottle. 5 such bottles can hold as much water as a jug. The capacity of a jug is 950 ml less than a kettle. The capacity of a kettle is 2 ℓ 50 ml.<br>(a) What is the capacity of a jug?<br>(b) What is the capacity of a glass?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There were twice as many girls as boys at a camp at first. After half of the girls and 102 boys went home, there were 4 times as many girls as boys left.<br>(a) How many more girls than boys were there at first?<br>(b) Each mini bus can carry 8 passengers. What was the least number of mini buses needed to bring the 102 boys home?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Raffles 2023 P4 Weighted Assessment 2 Q44",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "At a shop the price of a pen is \\$2. For every 4 pens bought, the shop gives away 1 pen free.<br>(a) Sarah bought 3 pens. How much did she pay for it?<br>(b) Rahmat spent \\$36 buying pens. How many pens did he get altogether?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 1 Q17",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$3\\frac{5}{6}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{23}{6}\\)",
    "answer1": "\\(\\dfrac{6}{23}\\)",
    "answer2": "\\(\\dfrac{24}{6}\\)",
    "answer3": "\\(\\dfrac{23}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 1 Q20",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{3}{4}$$ − $$\\frac{5}{8}$$",
    "answer0": "\\(\\dfrac{1}{8}\\)",
    "answer1": "\\(\\dfrac{8}{1}\\)",
    "answer2": "\\(\\dfrac{2}{8}\\)",
    "answer3": "\\(\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 1 Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are in the simplest form?<br>$$\\frac{3}{5}$$ , $$\\frac{4}{6}$$ , $$\\frac{5}{7}$$ , $$\\frac{6}{10}$$<br> and",
    "answer0": "\\(\\dfrac{3}{5}\\) , \\(\\dfrac{5}{7}\\)",
    "answer1": "\\(\\dfrac{5}{7}\\) , \\(\\dfrac{3}{5}\\)",
    "answer2": "\\(\\dfrac{5}{7}\\) , \\(\\dfrac{3}{5}\\)",
    "answer3": "\\(\\dfrac{5}{7}\\) , \\(\\dfrac{3}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 1 Q31",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express the number of household with 1 child as a fraction of the total number of household.",
    "answer0": "\\(\\dfrac{24}{120}\\)",
    "answer1": "\\(\\dfrac{120}{24}\\)",
    "answer2": "\\(\\dfrac{25}{120}\\)",
    "answer3": "\\(\\dfrac{24}{121}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 1 Q33",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the monthly allowance of 2 children.<br>The total monthly savings of the 2 children was \\$140. What was Dan's monthly spending?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 1 Q34",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Siti paid \\$30 for 4 chicken pies and 4 tuna pies. Each chicken pie cost \\$1.20 more than each tuna pie. How much did 1 tuna pie cost?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 1 Q35",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mother gave Ming some money on Monday. She gave him \\$25 on Tuesday. Ming spent half of the total amount of money he received and had \\$28 left. How much money did Mother give to Ming on Monday?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 1 Q37",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The graph shows the number of visitors to Kiddy Indoor Playground from Tuesday to Sunday.<br>a) Find the total number of visitors on Thursday and Friday.<br>b) The entrance fee to Kiddy Indoor Playground was \\$8 per visitor. What was the total amount collected on Saturday and Sunday?<br>(a) [?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 1 Q43",
    "fix_types": [
      "dollar_math",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There were 180 flowers at a florist. $$\\frac{2}{3}$$ of them were roses, $$\\frac{2}{9}$$ of them were sunflowers and the remaining were daisies.<br>a) What fraction of the flowers were daisies?<br>b) The daisies were sold at 5 for \\$21. How much was collected from the sale of all the daisies?<br>(a) <br>(b) \\$",
    "answer0": "\\(\\dfrac{1}{9}\\) , 84",
    "answer1": "84 , \\(\\dfrac{1}{9}\\)",
    "answer2": "84 , \\(\\dfrac{1}{9}\\)",
    "answer3": "84 , \\(\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 1 Q44",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A baker sold donuts at \\$2 each. The customers received a free donut for every 4 donuts they bought.<br>a) What was the least amount of money a customer had to pay if he wanted exactly 15 donuts?<br>b) How many donuts did a customer receive in total when he paid \\$40?<br>(a) \\$[?]<br>(b) [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 2 Q16",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$\\frac{17}{6}$$ as a mixed number.",
    "answer0": "\\(2\\dfrac{5}{6}\\)",
    "answer1": "\\(2\\dfrac{6}{6}\\)",
    "answer2": "\\(3\\dfrac{5}{6}\\)",
    "answer3": "\\(2\\dfrac{4}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 2 Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$1 - \\frac{1}{8} - \\frac{3}{4}$$.",
    "answer0": "\\(\\dfrac{1}{8}\\)",
    "answer1": "\\(\\dfrac{8}{1}\\)",
    "answer2": "\\(\\dfrac{2}{8}\\)",
    "answer3": "\\(\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 2 Q28",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The pie chart shows how Rajesh used his monthly salary. The amount of money that he saved is equal to the amount of money he spent on games. He spent \\$54 on transport.<br>How much money did Rajesh save?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 2 Q29",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The pie chart shows how Rajesh used his monthly salary. The amount of money that he saved is equal to the amount of money he spent on games. He spent \\$54 on transport.<br>How much money did Rajesh spend on clothes?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 2 Q32",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the cost of flight tickets to three cities, Sydney, London and New York. London \\$1100, New York \\$1620.<br>The total cost of tickets to New York and London is 4 times the cost of ticket to Sydney. What is the cost of ticket to Sydney?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 2 Q35",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A grocery store has a special offer for potato chips. One packet costs \\$1.90. Offer: 3 packets for \\$5.40.<br>Bryan wants to buy 14 packets of potato chips. What is the least amount of money he has to pay?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 2 Q38",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Choo bought a peach, 2 pears and 6 apples for \\$8.70. The cost of 1 pear and 3 apples was \\$2.60. What was the cost of the peach?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 2 Q39",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Ali bought 8 kg of flour. He used $$\\frac{2}{5}$$ kg of the flour to bake a cake and $$\\frac{1}{4}$$ kg of it to bake chocolate cookies.<br>a) What was the total mass of flour he used altogether?<br><br>b) What was the mass of flour he had left?",
    "answer0": "\\(\\dfrac{13}{20}\\) , \\(7\\dfrac{7}{20}\\)",
    "answer1": "\\(7\\dfrac{7}{20}\\) , \\(\\dfrac{13}{20}\\)",
    "answer2": "\\(7\\dfrac{7}{20}\\) , \\(\\dfrac{13}{20}\\)",
    "answer3": "\\(7\\dfrac{7}{20}\\) , \\(\\dfrac{13}{20}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Raffles 2024 P4 EOY Practice Set 2 Q40",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr Wong earned \\$0.25 for every newspaper he sold. He earned an additional \\$1.50 for every 10 copies of newspaper sold.<br>a) How much did Mr Wong earn in total for selling 10 copies of newspaper?<br>\\$[?]<br>b) He earned \\$48 one day. How many copies of newspaper did he sell that day?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 End-of-Year Exam Q20",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Funfair tickets: Adult ticket \\$36, Child ticket \\$18. Special promotion: 2 adult tickets and 1 child ticket \\$80. 5 adults and 4 children went to the funfair. What would be the least possible amount of money they need to pay for the tickets?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 End-of-Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$4\\frac{2}{3}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{14}{3}\\)",
    "answer1": "\\(\\dfrac{3}{14}\\)",
    "answer2": "\\(\\dfrac{15}{3}\\)",
    "answer3": "\\(\\dfrac{14}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2024 P4 End-of-Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{2}{9}+\\frac{1}{3}=$$",
    "answer0": "\\(\\dfrac{5}{9}\\)",
    "answer1": "\\(\\dfrac{9}{5}\\)",
    "answer2": "\\(\\dfrac{6}{9}\\)",
    "answer3": "\\(\\dfrac{5}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2024 P4 End-of-Year Exam Q30",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are smaller than $$\\frac{1}{2}$$?<br>$$\\frac{4}{11}$$, $$\\frac{3}{4}$$, $$\\frac{5}{10}$$, $$\\frac{2}{7}$$<br> and",
    "answer0": "\\(\\dfrac{4}{11}\\) , \\(\\dfrac{2}{7}\\)",
    "answer1": "\\(\\dfrac{2}{7}\\) , \\(\\dfrac{4}{11}\\)",
    "answer2": "\\(\\dfrac{2}{7}\\) , \\(\\dfrac{4}{11}\\)",
    "answer3": "\\(\\dfrac{2}{7}\\) , \\(\\dfrac{4}{11}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Raffles 2024 P4 End-of-Year Exam Q35",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The total cost of a handbag and purse is \\$242. The handbag costs \\$20 more than the purse. Find the cost of the handbag. [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 End-of-Year Exam Q41",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{5}{12}$$ of the passengers on the MRT were female.<br>(a) What fraction of the passengers were male?<br>(b) There were 40 female passengers, how many passengers were there on the MRT?<br>(a)  (b)",
    "answer0": "\\(\\dfrac{7}{12}\\) , 96",
    "answer1": "96 , \\(\\dfrac{7}{12}\\)",
    "answer2": "96 , \\(\\dfrac{7}{12}\\)",
    "answer3": "96 , \\(\\dfrac{7}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Raffles 2024 P4 End-of-Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Ravi had \\$92 more than Peter. After Ravi gave \\$100 to Peter, Peter had 5 times as much as Ravi.<br>(a) How much money did Ravi have at first?<br>(b) How much money did Peter have in the end?<br>(a) [?] (b) [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 1 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "a) Write seventy-eight thousand and twenty in numerals.<br>b) Round 39 500 to the nearest thousand.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 1 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 8540 and 7.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ben packed 853 books in boxes of 9. How many books were left unpacked?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the number of students in two classes. Part of the table is covered by ink blots.<br>How many more girls than boys are there altogether?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Andy had \\$450 more than Betty. Betty gave \\$35 to Andy. How much more did Andy have than Betty in the end?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "At a bookshop, pens are sold in boxes of 6 and pencils are sold in boxes of 8. Miss Nurul bought an equal number of pens and pencils for her class. Find the least total number of pens and pencils Miss Nurul bought.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A fruit seller had 4 times as many durians as watermelons. After he sold 114 durians, he had as many watermelons as durians left. How many fruits did the fruit seller have left in the end?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A school bag costs \\$60 more than a water bottle. 3 similar school bags and 2 similar water bottles cost \\$280. How much does each water bottle cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 1 Q14",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Tammy has 35 \\$2 and \\$5 notes. The total value of the notes is \\$118. How many \\$5 notes does she have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 2 Q1",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the mixed number represented by A?",
    "answer0": "\\(2\\dfrac{5}{8}\\)",
    "answer1": "\\(2\\dfrac{6}{8}\\)",
    "answer2": "\\(3\\dfrac{5}{8}\\)",
    "answer3": "\\(2\\dfrac{4}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 2 Q2",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the fractions in increasing order.<br>$$1\\frac{5}{9}$$ , $$\\frac{15}{7}$$ , $$1\\frac{2}{3}$$",
    "answer0": "\\(1\\dfrac{5}{9}\\) , \\(1\\dfrac{2}{3}\\) , \\(\\dfrac{15}{7}\\)",
    "answer1": "\\(\\dfrac{15}{7}\\) , \\(1\\dfrac{2}{3}\\) , \\(1\\dfrac{5}{9}\\)",
    "answer2": "\\(1\\dfrac{2}{3}\\) , \\(\\dfrac{15}{7}\\) , \\(1\\dfrac{5}{9}\\)",
    "answer3": "\\(1\\dfrac{5}{9}\\) , \\(\\dfrac{15}{7}\\) , \\(1\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 2 Q3",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Subtract $$\\frac{3}{5}$$ from 7.",
    "answer0": "\\(6\\dfrac{2}{5}\\)",
    "answer1": "\\(6\\dfrac{3}{5}\\)",
    "answer2": "\\(7\\dfrac{2}{5}\\)",
    "answer3": "\\(6\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Siti jogged $$\\frac{4}{5}$$ km. She jogged $$\\frac{3}{10}$$ km more than Tom. How far did Tom jog?",
    "answer0": "\\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{2}{1}\\)",
    "answer2": "\\(\\dfrac{2}{2}\\)",
    "answer3": "\\(\\dfrac{1}{3}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Raffles 2024 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Jamie had 3 kg of flour. She used $$\\frac{3}{10}$$ kg of flour to bake a cake and $$\\frac{1}{4}$$ kg of flour to bake cookies.<br>a) What is the total mass of flour Jamie used?<br>b) What is the mass of flour left after baking the cake and cookies? (Express your answer as a mixed number.)<br>a)  b)",
    "answer0": "\\(\\dfrac{11}{20}\\) , \\(2\\dfrac{27}{60}\\)",
    "answer1": "\\(2\\dfrac{27}{60}\\) , \\(\\dfrac{11}{20}\\)",
    "answer2": "\\(2\\dfrac{27}{60}\\) , \\(\\dfrac{11}{20}\\)",
    "answer3": "\\(2\\dfrac{27}{60}\\) , \\(\\dfrac{11}{20}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Rosyth 2022 P4 Semestral Assessment 2 Q4",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Which of the following is not an equivalent fraction of \\(\\dfrac{1}{6}\\)?",
    "answer0": "\\(\\dfrac{2}{12}\\)",
    "answer1": "\\(\\dfrac{3}{15}\\)",
    "answer2": "\\(\\dfrac{4}{24}\\)",
    "answer3": "\\(\\dfrac{6}{36}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Semestral Assessment 2 Q5",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{6}{10}\\)",
    "answer1": "\\(\\dfrac{6}{4}\\)",
    "answer2": "\\(\\dfrac{4}{10}\\)",
    "answer3": "\\(\\dfrac{4}{6}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Semestral Assessment 2 Q19",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "What is the missing number in the box? \\(\\dfrac{2}{3}\\) = 10/[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Semestral Assessment 2 Q22",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Arrange the following numbers from the smallest to the greatest. \\(\\dfrac{3}{5}\\) , 0.606 , 0.066 [?] , [?] , [?]",
    "answer0": null,
    "answer1": "\\(\\dfrac{3}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Semestral Assessment 2 Q23",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Express \\(\\dfrac{7}{100}\\) as a decimal. [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Semestral Assessment 2 Q38",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The mass of a papaya is \\(\\dfrac{1}{2}\\) kg. A watermelon weighs \\(\\dfrac{1}{6}\\) kg more than the papaya. Find the total mass of the papaya and the watermelon. Express your answer as a mixed number in the simplest form.",
    "answer0": "\\(1\\dfrac{1}{6}\\)",
    "answer1": "\\(1\\dfrac{2}{6}\\)",
    "answer2": "\\(2\\dfrac{1}{6}\\)",
    "answer3": "\\(1\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2022 P4 Semestral Assessment 2 Q43",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "A jug was completely filled with water at first. Siti drank \\(\\dfrac{3}{5}\\) of the water and spilled \\(\\dfrac{1}{10}\\) of it. Then she had 480 ml left. (a) What fraction of the water was left in the jug? (b) How much water was in the jug at first?",
    "answer0": "\\(\\dfrac{3}{10}\\) , 1600",
    "answer1": "1600 , \\(\\dfrac{3}{10}\\)",
    "answer2": "1600 , \\(\\dfrac{3}{10}\\)",
    "answer3": "1600 , \\(\\dfrac{3}{10}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Rosyth 2022 P4 Semestral Assessment 2 Q44",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Ong bought some fruits at a sale. Mangoes are sold in packs of 2 while apples are sold in packs of 3. Mangoes cost 2 for \\$5.20 and apples cost 3 for \\$4. (a) She bought 10 mangoes. How much did she pay for the mangoes? (b) With the same amount of money that she paid for the mangoes, what is the greatest number of apples she can buy? [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q1",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write 23 thousandths as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q3",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "EFGH is a rectangle. Find the size of $$\\angle y$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q5",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 42.351 to the nearest tenth.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q6",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 3.75 as a mixed number in its simplest form.",
    "answer0": "\\(3\\dfrac{3}{4}\\)",
    "answer1": "\\(3\\dfrac{4}{4}\\)",
    "answer2": "\\(4\\dfrac{3}{4}\\)",
    "answer3": "\\(3\\dfrac{2}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the sum of 214.39 and 7.8 .\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the difference between 36.6 and 29.7 .\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the value of 2.7 x 5 .<br>Round the answer to the nearest whole number.<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q11",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A magazine costs \\$5.90. It is \\$2.65 cheaper than a book. How much does the book cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "JKLM is a square. Find $$\\angle PJN$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Seah earned $2745. He spent $$\\frac{7}{9}$$ of his earnings and saved the rest. How much did Mr Seah save?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A box contained some beads. Aisha took $$\\frac{2}{5}$$ of the beads. She took 78 beads. How many beads were there in the box at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Devi mixed 4.05 kg of hazelnuts with 3.9 kg of cashew nuts to pack into 5 similar packets equally. What was the mass of 1 such packet of nuts? Leave your answer as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q16",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ahmad and Caili had an equal amount of money at first. After Ahmad had received \\$30.50 from his mother and Caili had spent \\$20, he had three times as much money as Caili. How much money did each of them have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Morris, Randy and Timothy have 2439 stickers altogether. Morris have twice as many stickers as Randy. Timothy have three times as many stickers as Morris. How many stickers does Timothy have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2022 P4 Weighted Assessment 3 Q18",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A cupcake cost \\$4 and a muffin cost \\$3. Mrs Lee spent \\$357 to buy an equal number of cupcakes and muffins. What was the total number of cupcakes and muffins Mrs Lee had bought?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q14",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Jason spent \\$55 on 2 identical shirts and a pair of pants. A pair of pants cost \\$25 more than a shirt. How much did he spend on 1 shirt?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express $$\\frac{10}{15}$$ in its simplest form.",
    "answer0": "\\(\\dfrac{2}{3}\\)",
    "answer1": "\\(\\dfrac{3}{2}\\)",
    "answer2": "\\(\\dfrac{3}{3}\\)",
    "answer3": "\\(\\dfrac{2}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q19",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$\\frac{15}{7}$$ as a mixed number.",
    "answer0": "\\(2\\dfrac{1}{7}\\)",
    "answer1": "\\(2\\dfrac{2}{7}\\)",
    "answer2": "\\(3\\dfrac{1}{7}\\)",
    "answer3": "\\(2\\dfrac{1}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q20",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "ABCD is a rectangle. Find the value of $$\\angle$$x.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write 5 thousandths as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write $$\\frac{85}{100}$$ as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.4 as a fraction.",
    "answer0": "\\(\\dfrac{4}{10}\\)",
    "answer1": "\\(\\dfrac{10}{4}\\)",
    "answer2": "\\(\\dfrac{5}{10}\\)",
    "answer3": "\\(\\dfrac{4}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q25",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the number of soft toys sold at the Care Carnival from Monday to Friday. Each soft toy was sold at $12.<br>(a) Which day has the greatest number of soft toys sold?<br>(b) How much money was collected from the sales on that day?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q26",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Wong wants to pack 36 blueberry cupcakes and 54 chocolate cupcakes into boxes with no remainder. The total number of cupcakes packed into each box is the same. The number of blueberry cupcakes in each box is the same. What is the greatest number of boxes that Mrs Wong can pack?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Emily and Guo Chuan are standing at point X facing the same direction. After Emily makes a 270° turn clockwise, she faces south-east. Where will Guo Chuan face after he makes a 135° anticlockwise turn from the original position?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The graph shows the number of fruits sold in the first week of August.<br>Apple 64, Orange 60, Pear 24, Mango 32, Banana 16.<br>Which fruit was sold twice as many as mangoes?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 2 identical rectangles. The total area of the figure is 48 cm². Find the length of one rectangle.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q31",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The square and rectangle have the same perimeter. The rectangle is 13 cm by 7 cm. Find the area of the square.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A square of side 4 cm has been cut out from a rectangular piece of paper. Exactly 6 such squares can be cut out from the paper without any leftover. Find the perimeter of the piece of paper now.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "10 trees were planted along a road at equal distance. The distance between the 2nd and the 4th tree was 5.6 m. What was the distance between the 1st and the 10th tree?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Aini prepared 6 $$\\ell$$ of fruit punch for a party. She poured them equally into 4 bottles. What is the volume of the fruit punch in each bottle?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Kelvin is 1.81 m tall. He is 0.35 m taller than Jonathan. Jonathan is 0.29 m shorter than Elson. What is Elson's height?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Leela's watch is 15 minutes slower. The time shown on her watch is 1.35 p.m. Find the actual time using the 24-hour clock.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "When I open my storybook, two pages face me. The sum of these two page numbers is 667. What is the page number of the smaller number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q38",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mark bought some sweets. He gave his friends $$\\frac{1}{7}$$ of the sweets and gave his brother $$\\frac{3}{4}$$ of the sweets. All the remaining sweets were eaten by him. What fraction of the sweets did Mark eat?",
    "answer0": "\\(\\dfrac{3}{28}\\)",
    "answer1": "\\(\\dfrac{28}{3}\\)",
    "answer2": "\\(\\dfrac{4}{28}\\)",
    "answer3": "\\(\\dfrac{3}{29}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q39",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The graph shows the number of visitors who went to the museum over seven months.<br>Jan 550, Feb 575, Mar 300, Apr 375, May 600, Jun 475, Jul (unknown).<br>(a) Between January to June, which month has the least number of visitors?<br>(b) The total number of visitors who went to the museum in May, June and July is 1500. How many visitors went to the museum in July?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 5 identical squares. The area of a square is 25 cm². What is the perimeter of the figure?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Nicole had baked five times as many cookies as Joey at first. After Nicole gave away 235 cookies and Joey gave away 19 cookies, they had the same number of cookies left.<br>(a) How many cookies did Nicole bake at first?<br>(b) How many cookies did each of them have in the end?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Devi and Mdm Tan baked an equal number of muffins for sale. Mrs Devi sold 49 muffins and had $$\\frac{2}{9}$$ of the muffins left.<br>(a) How many muffins did Mrs Devi have left?<br>(b) How many muffins did Mrs Devi and Mdm Tan bake in all?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Charlie had twice as many marbles as Sally. After Sally lost 45 marbles, Charlie had 5 times as many marbles as Sally. How many marbles did Charlie have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 End of Year Exam Q44",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Three children shared some money. Alice and Benny received \\$100 altogether. Benny and Catherine received \\$450 in all. Catherine received five times as much money as Alice. How much money did Alice receive?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q1",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 25 571 to the nearest hundred.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "How many one-fifths are there in 3 wholes?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q4",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write down the size of ∠AOB.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q5",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$\\frac{11}{12}$$ − $$\\frac{2}{3}$$ in its simplest form.",
    "answer0": "\\(\\dfrac{1}{4}\\)",
    "answer1": "\\(\\dfrac{4}{1}\\)",
    "answer2": "\\(\\dfrac{2}{4}\\)",
    "answer3": "\\(\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The square grid shows the positions of points A, B, C and D. Ahmad walked directly from point A to point D in a straight line. In which direction did Ahmad walk?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the value of<br>a) 4269 × 3<br>b) 217 × 15<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The letter A represents a mixed number. Give your answer in its simplest form.",
    "answer0": "\\(1\\dfrac{1}{3}\\)",
    "answer1": "\\(1\\dfrac{2}{3}\\)",
    "answer2": "\\(2\\dfrac{1}{3}\\)",
    "answer3": "\\(1\\dfrac{1}{3}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q9",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions in increasing order.<br>$$\\frac{4}{5}$$, $$\\frac{2}{3}$$, $$\\frac{5}{3}$$",
    "answer0": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{4}{5}\\) , \\(\\dfrac{5}{3}\\)",
    "answer1": "\\(\\dfrac{5}{3}\\) , \\(\\dfrac{4}{5}\\) , \\(\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{4}{5}\\) , \\(\\dfrac{5}{3}\\) , \\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{5}{3}\\) , \\(\\dfrac{4}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "I am a number greater than 20 but less than 40. I am a multiple of 6 and a factor of 48. What number am I?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number is 15 000 when rounded to the nearest thousand. What is the greatest possible value of the number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Rihana had $105. She used $$\\frac{1}{3}$$ of it on a watch and spent the rest of her money on a present. How much did the present cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Janice had twice as many stamps as Kenneth at first. After Kenneth had given away 24 stamps, Janice had 5 times as many stamps as Kenneth. How many stamps did Kenneth have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Raphael has some chocolates to give to his friends at a party. The number of chocolates he has is less than 30. If he gives 4 chocolates to each friend, he will have 2 extra chocolates. If he gives 5 chocolates to each friend, he will need 1 more chocolate.<br>a) How many chocolates does Raphael have?<br>b) How many friends does Raphael have at the party?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2023 P4 Weighted Assessment 2 Q18",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Giresh had \\$108 more than Beng Huat. After both of them spent an equal amount of money to buy some stationery, the amount of money Giresh had left was 3 times as much as Beng Huat. Given that Giresh had \\$198 at first, how much did each of them spend?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are smaller than $$\\frac{1}{2}$$?<br>$$\\frac{3}{4}$$ , $$\\frac{4}{9}$$ , $$\\frac{5}{10}$$ , $$\\frac{3}{7}$$",
    "answer0": "\\(\\dfrac{4}{9}\\) , \\(\\dfrac{3}{7}\\)",
    "answer1": "\\(\\dfrac{3}{7}\\) , \\(\\dfrac{4}{9}\\)",
    "answer2": "\\(\\dfrac{3}{7}\\) , \\(\\dfrac{4}{9}\\)",
    "answer3": "\\(\\dfrac{3}{7}\\) , \\(\\dfrac{4}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q19",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{2}{3}$$ + $$\\frac{5}{6}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{2}\\)",
    "answer1": "\\(1\\dfrac{2}{2}\\)",
    "answer2": "\\(2\\dfrac{1}{2}\\)",
    "answer3": "\\(1\\dfrac{1}{2}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q20",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "EFGH is a square. Find $$\\angle$$y.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q21",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.15 as a fraction.",
    "answer0": "\\(\\dfrac{15}{100}\\)",
    "answer1": "\\(\\dfrac{100}{15}\\)",
    "answer2": "\\(\\dfrac{16}{100}\\)",
    "answer3": "\\(\\dfrac{15}{101}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 18.57 to the nearest whole number.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the value of 5.79 × 6.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The pie chart shows how Edwin uses his monthly pocket money. Savings is $$\\frac{1}{6}$$. What fraction of Edwin's monthly pocket money is spent on stationery?",
    "answer0": "\\(\\dfrac{1}{12}\\)",
    "answer1": "\\(\\dfrac{12}{1}\\)",
    "answer2": "\\(\\dfrac{2}{12}\\)",
    "answer3": "\\(\\dfrac{1}{13}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The bar graph shows the amount of money spent by Cindy over 5 days. Cindy was given $20 pocket money on each day. How much money did she have left at the end of the 5 days?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q28",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Save more when you buy more! 1 cupcake for \\$4. 3 cupcakes for \\$10.<br>Mrs Lim wants to buy 35 cupcakes. What is the least amount of money she must pay for them?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Sally mixed 1.73 $$l$$ of orange syrup with 4.55 $$l$$ of water. She poured the mixture equally into 4 bottles. How many litres of the mixture were there in each bottle?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The mass of a watermelon is 3.4 kg. It is 5 times as heavy as a pear. What is the total mass of the pear and the watermelon?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q31",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr and Mrs Tan took their children to watch a circus show on a Sunday. They bought 5 tickets in total. They had 3 children whose ages were 8, 13 and 14.<br>Circus Show Ticket Prices — Adult: Mon–Fri \\$33.50, Sat–Sun \\$38.50. Children (12 years and below): Mon–Fri \\$16, Sat–Sun \\$22.<br>How much did the 5 tickets cost altogether?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of straight lines that meet at right angles. Find its area.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A piece of wire was bent to form a square of side 12 cm as shown in Figure 1. The same piece of wire was then bent to form a rectangle as shown in Figure 2. The length of the rectangle was twice as long as its breadth. Find the length of the rectangle in Figure 2.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The cost of 6 identical laptops is $7692. Find the cost of 5 such laptops.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q38",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Leon has $$\\frac{2}{5}$$ kg of flour in a container. He has $$\\frac{1}{2}$$ kg of flour less than Siti. How much flour do they have altogether? Express your answer as a mixed number in its simplest form.",
    "answer0": "\\(1\\dfrac{3}{10}\\)",
    "answer1": "\\(1\\dfrac{4}{10}\\)",
    "answer2": "\\(2\\dfrac{3}{10}\\)",
    "answer3": "\\(1\\dfrac{2}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q39",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A tank was completely filled with water at first. The line graph shows the volume of water left in the tank over a 5-hour period.<br>(a) At what time was the tank half filled with water?<br>(b) What fraction of the tank was filled with water at 14 00? Express your answer in its simplest form.<br>[?] , [?]",
    "answer0": null,
    "answer1": "\\(\\dfrac{1}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 4 identical rectangular tiles and 1 grey square tile. The length of the grey square tile is 2 cm. The overall height is 7 cm.<br>(a) Find the breadth of the rectangle.<br>(b) Samy rearranged the tiles to form a new figure. Find the perimeter of the new figure.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q41",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Lee baked some cookies and ate $$\\frac{2}{9}$$ of the cookies. She gave 12 cookies to her friend and had 9 cookies left.<br>(a) How many cookies did she bake?<br>(b) What fraction of the cookies did she have left? Express your answer in its simplest form.<br>[?] , [?]",
    "answer0": null,
    "answer1": "\\(\\dfrac{1}{3}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Sharon and Leo had a total of 3260 stickers. Sharon had 3 times as many stickers as Leo. How many stickers must Sharon give to Leo so that Sharon has 270 more stickers than Leo?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q43",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A bookshop sells pencils in packs of 4 and erasers in packs of 6. 4 pencils for \\$3. 6 erasers for \\$5.<br>(a) Henry bought an equal number of pencils and erasers. What is the least number of pencils he could have bought?<br>(b) Liling used all her money to buy 44 pencils. Using the same amount of money, what is the greatest number of erasers she could buy?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2024 P4 End-of-Year Exam Q44",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Keith and Sam had the same amount of money. Keith bought 6 egg tarts and had \\$1.90 left. Sam wanted to buy 10 egg tarts but was short of \\$5.50.<br>(a) What was the cost of 1 egg tart?<br>(b) How much money did Sam have?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2024 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 3021 and 7.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The bar graph shows the number of stickers that 4 children collected.<br>How many stickers did Charlie collect?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The table shows the number of Primary 3, 4 and 5 volleyball club members.<br>Primary 3: Boys = ?, Girls = 28.<br>Primary 4: Boys = 17, Girls = 20.<br>Primary 5: Boys = 19, Girls = 21.<br>There are as many Primary 3 members as Primary 5 members. How many Primary 3 members are boys?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 Weighted Assessment 2 Q10",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions in decreasing order.<br>$$\\frac{7}{4}$$, $$\\frac{4}{3}$$, $$1\\frac{5}{6}$$",
    "answer0": "\\(1\\dfrac{5}{6}\\) , \\(\\dfrac{7}{4}\\) , \\(\\dfrac{4}{3}\\)",
    "answer1": "\\(\\dfrac{4}{3}\\) , \\(\\dfrac{7}{4}\\) , \\(1\\dfrac{5}{6}\\)",
    "answer2": "\\(\\dfrac{7}{4}\\) , \\(\\dfrac{4}{3}\\) , \\(1\\dfrac{5}{6}\\)",
    "answer3": "\\(1\\dfrac{5}{6}\\) , \\(\\dfrac{4}{3}\\) , \\(\\dfrac{7}{4}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Rosyth 2024 P4 Weighted Assessment 2 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Amelie and Devna had the same number of sweets at first. After Amelie gave 35 sweets to her friends and Devna bought 7 more sweets, Devna had four times as many sweets as Amelie. How many sweets did Amelie have at the end?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the missing fraction A on the number line. Express your answer as a mixed number in its simplest form.<br>The marked points in order are $$\\frac{4}{5}$$, 1, A, $$\\frac{6}{5}$$, $$\\frac{7}{5}$$, $$\\frac{8}{5}$$.",
    "answer0": "\\(1\\dfrac{1}{10}\\)",
    "answer1": "\\(1\\dfrac{2}{10}\\)",
    "answer2": "\\(2\\dfrac{1}{10}\\)",
    "answer3": "\\(1\\dfrac{1}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2024 P4 Weighted Assessment 2 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Class 4A and 4B borrowed a total of 152 books in the month of May. Class 4A borrowed thrice as many books as Class 4B. Class 4B borrowed twice as many books as Class 4C. How many books did Class 4B and 4C borrow?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2024 P4 Weighted Assessment 2 Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Benny has 345 stamps. Caius has 126 stamps. How many stamps must Benny give to Caius so that Benny has 37 more stamps than Caius?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q14",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Jason spent \\$55 on 2 identical shirts and a pair of pants. A pair of pants cost \\$25 more than a shirt. How much did he spend on 1 shirt?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express $$\\frac{10}{15}$$ in its simplest form.",
    "answer0": "\\(\\dfrac{2}{3}\\)",
    "answer1": "\\(\\dfrac{3}{2}\\)",
    "answer2": "\\(\\dfrac{3}{3}\\)",
    "answer3": "\\(\\dfrac{2}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q19",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$\\frac{15}{7}$$ as a mixed number.",
    "answer0": "\\(2\\dfrac{1}{7}\\)",
    "answer1": "\\(2\\dfrac{2}{7}\\)",
    "answer2": "\\(3\\dfrac{1}{7}\\)",
    "answer3": "\\(2\\dfrac{1}{7}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q20",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In the figure, ABCD is a rectangle. Find the value of $$\\angle x$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write 5 thousandths as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write $$\\frac{85}{100}$$ as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q23",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange the following numbers in order from the greatest to the smallest.<br>3.909, 3.093, 3.099<br>[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.4 as a fraction.",
    "answer0": "\\(\\dfrac{4}{10}\\)",
    "answer1": "\\(\\dfrac{10}{4}\\)",
    "answer2": "\\(\\dfrac{5}{10}\\)",
    "answer3": "\\(\\dfrac{4}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q25",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The following line graph shows the number of soft toys sold at the Care Carnival. Each soft toy was sold at $12.<br>(a) Which day has the greatest number of soft toys sold?<br>(b) How much money was collected from the sales on that day?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q26",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Wong wants to pack 36 blueberry cupcakes and 54 chocolate cupcakes into boxes with no remainder. The total number of cupcakes packed into each box is the same. The number of blueberry cupcakes in each box is the same. What is the greatest number of boxes that Mrs Wong can pack?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Emily and Guo Chuan are standing at point X facing the same direction. After Emily makes a $$270°$$ turn clockwise, she faces south-east. Where will Guo Chuan face after he makes a $$135°$$ anticlockwise turn from the original position?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The graph shows the number of fruits sold in the first week of August. Which fruit was sold twice as many as mangoes?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 2 identical rectangles. The total area of the figure is 48 cm². Find the length of one rectangle.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q31",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The following square and rectangle have the same perimeter. Find the area of the square.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A square of side 4 cm has been cut out from a rectangular piece of paper. Exactly 6 such squares can be cut out from the paper without any leftover. Find the perimeter of the piece of paper now.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "10 trees were planted along a road at equal distance. The distance between the 2nd and the 4th tree was 5.6 m. What was the distance between the 1st and the 10th tree?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Aini prepared 6 $$\\ell$$ of fruit punch for a party. She poured them equally into 4 bottles. What is the volume of the fruit punch in each bottle?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q35",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Kelvin is 1.81 m tall. He is 0.35 m taller than Jonathan. Jonathan is 0.29 m shorter than Elson. What is Elson's height?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Leela's watch is 15 minutes slower. The time shown on her watch is 1.35 p.m. Find the actual time using the 24-hour clock.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "When I open my storybook, two pages face me. The sum of these two page numbers is 667. What is the page number of the smaller number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q38",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mark bought some sweets. He gave his friends $$\\frac{1}{7}$$ of the sweets and gave his brother $$\\frac{3}{4}$$ of the sweets. All the remaining sweets were eaten by him. What fraction of the sweets did Mark eat?",
    "answer0": "\\(\\dfrac{3}{28}\\)",
    "answer1": "\\(\\dfrac{28}{3}\\)",
    "answer2": "\\(\\dfrac{4}{28}\\)",
    "answer3": "\\(\\dfrac{3}{29}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q39",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The following graph shows the number of visitors who went to the museum over seven months.<br>(a) Between January to June, which month has the least number of visitors?<br>(b) The total number of visitors who went to the museum in May, June and July is 1500. How many visitors went to the museum in July?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 5 identical squares. The area of a square is 25 cm². What is the perimeter of the figure?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Nicole had baked five times as many cookies as Joey at first. After Nicole gave away 235 cookies and Joey gave away 19 cookies, they had the same number of cookies left.<br>(a) How many cookies did Nicole bake at first?<br>(b) How many cookies did each of them have in the end?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Devi and Mdm Tan baked an equal number of muffins for sale. Mrs Devi sold 49 muffins and had $$\\frac{2}{9}$$ of the muffins left.<br>(a) How many muffins did Mrs Devi have left?<br>(b) How many muffins did Mrs Devi and Mdm Tan bake in all?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Charlie had twice as marbles as Sally. After Sally lost 45 marbles, Charlie had 5 times as many marbles as Sally. How many marbles did Charlie have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 End-of-Year Exam Q44",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Three children shared some money. Alice and Benny received \\$100 altogether. Benny and Catherine received \\$450 in all. Catherine received five times as much money as Alice. How much money did Alice receive?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q1",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 25 571 to the nearest hundred.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "How many one-fifths are there in 3 wholes?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q4",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write down the size of $$\\angle AOB$$.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q5",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$\\frac{11}{12} - \\frac{2}{3}$$ in its simplest form.",
    "answer0": "\\(\\dfrac{1}{4}\\)",
    "answer1": "\\(\\dfrac{4}{1}\\)",
    "answer2": "\\(\\dfrac{2}{4}\\)",
    "answer3": "\\(\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the value of<br>a) $$4269 \\times 3$$<br>b) $$217 \\times 15$$<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "The letter A represents a mixed number. Give your answer in its simplest form.",
    "answer0": "\\(1\\dfrac{1}{3}\\)",
    "answer1": "\\(1\\dfrac{2}{3}\\)",
    "answer2": "\\(2\\dfrac{1}{3}\\)",
    "answer3": "\\(1\\dfrac{1}{3}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q9",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions in increasing order.<br>$$\\frac{4}{5}$$ , $$\\frac{2}{3}$$ , $$\\frac{5}{3}$$",
    "answer0": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{4}{5}\\) , \\(\\dfrac{5}{3}\\)",
    "answer1": "\\(\\dfrac{5}{3}\\) , \\(\\dfrac{4}{5}\\) , \\(\\dfrac{2}{3}\\)",
    "answer2": "\\(\\dfrac{4}{5}\\) , \\(\\dfrac{5}{3}\\) , \\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{2}{3}\\) , \\(\\dfrac{5}{3}\\) , \\(\\dfrac{4}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "I am a number greater than 20 but less than 40. I am a multiple of 6 and a factor of 48. What number am I?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number is 15 000 when rounded to the nearest thousand. What is the greatest possible value of the number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the quotient and remainder when 4505 is divided by 6.\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Rihana had $105. She used $$\\frac{1}{3}$$ of it on a watch and spent the rest of her money on a present. How much did the present cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Janice had twice as many stamps as Kenneth at first. After Kenneth had given away 24 stamps, Janice had 5 times as many stamps as Kenneth. How many stamps did Kenneth have?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Raphael has some chocolates to give to his friends at a party. The number of chocolates he has is less than 30. If he gives 4 chocolates to each friend, he will have 2 extra chocolates. If he gives 5 chocolates to each friend, he will need 1 more chocolate.<br>a) How many chocolates does Raphael have?<br>b) How many friends does Raphael have at the party?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rosyth 2025 P4 Weighted Assessment 2 Q18",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Giresh had \\$108 more than Beng Huat. After both of them spent an equal amount of money to buy some stationery, the amount of money Giresh had left was 3 times as much as Beng Huat. Given that Giresh had \\$198 at first, how much did each of them spend?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q3",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(1\\dfrac{2}{3}\\)",
    "answer1": "\\(\\dfrac{3}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q4",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{5}{8}\\)",
    "answer1": "\\(\\dfrac{2}{6}\\)",
    "answer2": "\\(\\dfrac{3}{9}\\)",
    "answer3": "\\(\\dfrac{6}{10}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q9",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Mr Faiz had some stickers. He gave away \\(\\dfrac{2}{3}\\) of his stickers to 5 students and had 30 stickers left. How many stickers did each of his students receive?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q11",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Tom is standing at point A and he is facing the library. Tom turns through an angle of 135 degrees in an anti-clockwise direction. Then, he makes a \\(\\dfrac{1}{4}\\)-turn in a clockwise direction. Where will he be facing in the end?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What number is 100 more than 9997?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 3028 and 4.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q23",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 5093 is divided by 9?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q24",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write \\(2\\dfrac{1}{9}\\) as an improper fraction.",
    "answer0": "\\(\\dfrac{19}{9}\\)",
    "answer1": "\\(\\dfrac{9}{19}\\)",
    "answer2": "\\(\\dfrac{20}{9}\\)",
    "answer3": "\\(\\dfrac{19}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q25",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of 1 - \\(\\dfrac{1}{8}\\) - \\(\\dfrac{1}{4}\\).",
    "answer0": "\\(\\dfrac{5}{8}\\)",
    "answer1": "\\(\\dfrac{8}{5}\\)",
    "answer2": "\\(\\dfrac{6}{8}\\)",
    "answer3": "\\(\\dfrac{5}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q26",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "PQRS is a rectangle. Find angle x.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write 8 thousandths as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q29",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange the following numbers from the smallest to the greatest. \\(\\dfrac{4}{5}\\) , 0.804 , 0.084\n[?] , [?] , [?]",
    "answer0": null,
    "answer1": "\\(\\dfrac{4}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The perimeter of a square is 36 cm. What is its length?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q31",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mrs Lee has some buttons. The number of buttons she has is more than 10 but fewer than 25. She can pack all the buttons into bags of 2 or 3 with no remainder. What is one possible number of buttons she has?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q32",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the number of visitors to the zoo in six months. How many visitors visited the zoo from January to March?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Which one-month period shows the greatest decrease in the number of visitors?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In which month was there half as many visitors as the month of June?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Rani needed 30 minutes to bake a cake. At 12.45 p.m., she had baked 3 such cakes. At what time did she start baking the first cake given that she baked one cake after another, without any break in between? Express your answer using the 12-hr clock.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q39",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Figure 1 is a rectangle with length AB. Figure 2 is made up of four such rectangles. The perimeter of Figure 2 is 240 cm. Find the length of AB.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q40",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Sarah and James went shopping together. Sarah wanted to buy a book but she was short of \\$15.60. James also wanted to buy the same book but he was short of \\$8.40. State whether each statement is True, False or Not possible to tell. (a) Sarah had \\$7.20 more than James. (b) The book cost less than \\$10.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Alice, Bala and Carin shared 850 cards. Bala had 30 more cards than Alice. Carin had 40 more cards than Bala. (a) Who had the most number of cards? (b) How many cards did Bala have?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q42",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Kumar mixed 15 l of blue paint and 15.42 l of red paint to obtain purple paint. He then poured all the purple paint into a big container and a small container. The amount of paint poured into the big container was 5 times as much as that in the small container. (a) How much purple paint did Mr Kumar have? (b) How much purple paint did Mr Kumar pour into the small container?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "At first, all the donuts in a bakery were placed on 20 trays with an equal number of donuts on each tray. 5 trays were removed and the donuts on these trays were distributed equally on the remaining 15 trays. In the end, the number of donuts on each remaining tray increased by 2. (a) Find the total number of donuts on the 5 trays which were removed. (b) Find the number of donuts on each tray at first.\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q44",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Nurul had 280 red and blue marbles altogether. After Nurul gave away \\(\\dfrac{1}{3}\\) of her red marbles, the number of red marbles left was equal to the number of blue marbles she had. (a) What fraction of her red marbles had Nurul left? (b) Find the difference in the number of red and blue marbles Nurul had at first.",
    "answer0": "\\(\\dfrac{2}{3}\\) , 56",
    "answer1": "56 , \\(\\dfrac{2}{3}\\)",
    "answer2": "56 , \\(\\dfrac{2}{3}\\)",
    "answer3": "56 , \\(\\dfrac{2}{3}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Red Swastika 2022 P4 Semestral Assessment 2 Q45",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure PQRS is formed by two different squares and two identical rectangles. The area of the big square is 25 cm² and the area of the small square is 9 cm². Find the area of one rectangle.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2022 P4 Weighted Assessment 1 Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Helen had 3 fifty-dollar notes. She bought two blouses at \\$46.50 each. She also bought a pair of shoes. She had \\$28.60 left. How much did the pair of shoes cost? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 End of Year Exam Q13",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Kenneth wanted to buy two shirts that cost \\$25.65 each, but he was short of \\$14.20. How much money did Kenneth have?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 End of Year Exam Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$\\frac{23}{6}$$ as a mixed number.",
    "answer0": "\\(3\\dfrac{5}{6}\\)",
    "answer1": "\\(3\\dfrac{6}{6}\\)",
    "answer2": "\\(4\\dfrac{5}{6}\\)",
    "answer3": "\\(3\\dfrac{4}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2023 P4 End of Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$1 - \\frac{1}{6} - \\frac{1}{3}$$.",
    "answer0": "\\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{2}{1}\\)",
    "answer2": "\\(\\dfrac{2}{2}\\)",
    "answer3": "\\(\\dfrac{1}{3}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mdm Devi bought a dress, a shirt and a bag. She spent the same amount of money on the bag and the dress. The shirt cost \\$49.80 less than the bag. The dress cost 3 times as much as the shirt.<br>(a) What was the cost of the shirt?<br>(b) What was the total cost of the dress and the bag?<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What number is 10 more than 7996?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number when rounded off to the nearest hundred is 3500.<br>What is the greatest possible number?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ahmad, Ben and Clarice shared 9036 crayons equally among themselves.<br>Ahmad bought another 98 crayons for himself.<br>How many crayons would Ahmad have in the end?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "PQRS is a square and QTUV is a rectangle. The breadth of the rectangle is 8 cm and TU is 12 cm.<br>The length of the rectangle is twice its breadth.<br>Find the length of PT.<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 1 Q18",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A table cost \\$910 more than a chair.<br>Tom paid \\$7520 for 2 tables and 4 chairs.<br>How much does a table cost?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Lynn bought 5 kg of cherries. She gave the cashier \\$100 and received \\$32 change. Find the cost of 1 kg of cherries.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q8",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Gopal saved \\$2.50 for every \\$8 he had. If he had \\$72, how much did he save?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q11a",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write the fraction represented by X.",
    "answer0": "\\(1\\dfrac{3}{5}\\)",
    "answer1": "\\(1\\dfrac{4}{5}\\)",
    "answer2": "\\(2\\dfrac{3}{5}\\)",
    "answer3": "\\(1\\dfrac{2}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q11b",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following numbers from the smallest to the largest.<br>3.5 , 3.05 , $$3\\frac{1}{100}$$<br> (smallest)",
    "answer0": "\\(3\\dfrac{1}{100}\\) , 3.05 , 3.5",
    "answer1": "3.5 , 3.05 , \\(3\\dfrac{1}{100}\\)",
    "answer2": "3.05 , 3.5 , \\(3\\dfrac{1}{100}\\)",
    "answer3": "\\(3\\dfrac{1}{100}\\) , 3.5 , 3.05",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q12a",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write $$4\\frac{7}{20}$$ as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q12b",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 5.2 as a mixed number in its simplest form.",
    "answer0": "\\(5\\dfrac{1}{5}\\)",
    "answer1": "\\(5\\dfrac{2}{5}\\)",
    "answer2": "\\(6\\dfrac{1}{5}\\)",
    "answer3": "\\(5\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q14",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Linda wanted to buy a notebook that cost \\$3.90 and a pen that cost \\$1.50. After checking her wallet, she found that she was short of \\$0.60. How much money was in her wallet?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q15",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "A bag of potatoes is $$\\frac{2}{5}$$ kg heavier than a bag of tomatoes. The bag of tomatoes has a mass of $$\\frac{5}{8}$$ kg. What is the mass of the bag of potatoes? Leave your answer in mixed number.",
    "answer0": "\\(1\\dfrac{1}{40}\\)",
    "answer1": "\\(1\\dfrac{2}{40}\\)",
    "answer2": "\\(2\\dfrac{1}{40}\\)",
    "answer3": "\\(1\\dfrac{1}{40}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q16",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Juliet baked some chocolate and oatmeal cookies. She baked 12 chocolate cookies and $$\\frac{5}{8}$$ of the cookies were oatmeal. Her mother gave her another 8 oatmeal cookies. What fraction of the cookies were chocolate?",
    "answer0": "\\(\\dfrac{3}{10}\\)",
    "answer1": "\\(\\dfrac{10}{3}\\)",
    "answer2": "\\(\\dfrac{4}{10}\\)",
    "answer3": "\\(\\dfrac{3}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q17",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "In a bakery, a Muffin costs \\$2.40 and a Pie costs \\$3.60. Mrs Toh bought an equal number of muffins and pies and paid \\$54. How much did Mrs Toh pay for the muffins?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q18a",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Bryan had some money. He spent $$\\frac{1}{2}$$ of his money on a watch, $$\\frac{1}{5}$$ of his money on two T-shirts and saved the rest. He saved $60. What fraction of his money did he save?",
    "answer0": "\\(\\dfrac{3}{10}\\)",
    "answer1": "\\(\\dfrac{10}{3}\\)",
    "answer2": "\\(\\dfrac{4}{10}\\)",
    "answer3": "\\(\\dfrac{3}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2023 P4 Weighted Assessment 2 Q18b",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Bryan had some money. He spent $$\\frac{1}{2}$$ of his money on a watch, $$\\frac{1}{5}$$ of his money on two T-shirts and saved the rest. He saved $60. How much does each T-shirt cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q19",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Tyra paid \\$9.60 for 4 similar rulers and 4 similar files. Each file cost \\$0.70 more than each ruler. How much did each ruler cost?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange these fractions from the smallest to the greatest.<br>$$\\frac{4}{7}$$ , $$\\frac{1}{2}$$ , $$\\frac{6}{7}$$",
    "answer0": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{4}{7}\\) , \\(\\dfrac{6}{7}\\)",
    "answer1": "\\(\\dfrac{6}{7}\\) , \\(\\dfrac{4}{7}\\) , \\(\\dfrac{1}{2}\\)",
    "answer2": "\\(\\dfrac{4}{7}\\) , \\(\\dfrac{6}{7}\\) , \\(\\dfrac{1}{2}\\)",
    "answer3": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{6}{7}\\) , \\(\\dfrac{4}{7}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$4\\frac{2}{3}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{14}{3}\\)",
    "answer1": "\\(\\dfrac{3}{14}\\)",
    "answer2": "\\(\\dfrac{15}{3}\\)",
    "answer3": "\\(\\dfrac{14}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{3}{4}$$ + $$\\frac{1}{8}$$",
    "answer0": "\\(\\dfrac{7}{8}\\)",
    "answer1": "\\(\\dfrac{8}{7}\\)",
    "answer2": "\\(\\dfrac{8}{8}\\)",
    "answer3": "\\(\\dfrac{7}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q29",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.39 as a fraction.",
    "answer0": "\\(\\dfrac{39}{100}\\)",
    "answer1": "\\(\\dfrac{100}{39}\\)",
    "answer2": "\\(\\dfrac{40}{100}\\)",
    "answer3": "\\(\\dfrac{39}{101}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q32",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mdm Tan had \\$7360. She saved \\$4825 and divided the rest equally among her 3 children. How much did each child receive? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q33",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Sally bought 18 donuts at 3 for \\$3.95. How much did she pay for the donuts? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q34",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Raju had \\$50. A bar of chocolate cost \\$5.50. At a sale (Buy 2 Get 1 Free), Raju took home 6 bars of chocolate. How much change did he receive? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q41",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Cupcakes are sold in boxes of 3, 6 or 10. Box of 3: \\$?, Box of 6: \\$15, Box of 10: \\$24.<br>(a) Judy bought 26 cupcakes. What was the least number of boxes Judy bought? [?]<br>(b) Fariz also bought 26 cupcakes but paid \\$3 more than Judy. His cupcakes were packed into 4 boxes. What was the price of a box of 3 cupcakes? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q42",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Miss Chin sold a total of 30 cups of tea and milo each day. The bar graph shows the cups of tea she sold each day (Thursday not shown). (a) On Thursday, the number of cups of milo sold was 20 less than the cups of tea. Complete the table to show the cups of milo sold for the four days. (b) Tea costs \\$2 and Milo costs \\$3. How much more did Miss Chin collect from drinks on Tuesday than on Monday? Give your answer in dollars. \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q43",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{1}{6}\\)",
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 End-of-Year Exam Q44",
    "fix_types": [
      "dollar_math",
      "frac_text"
    ],
    "type_id": null,
    "question": "Jane receives the same amount of pocket money every month from January to April. The bar graph shows the amount spent: Jan \\$34, Feb \\$28, Mar \\$48, Apr \\$40. The pie chart shows Jane's spending and savings for Jan to Apr (savings is a quarter / right angle shown). (a) What is the amount of pocket money Jane received for the months of Jan to Apr? \\$[?] (b) Jane spent the same amount in May and April. Express the pocket money Jane saved from Jan to May as a fraction of the pocket money she received from Jan to May. Write your answer in the simplest form. [?]",
    "answer0": null,
    "answer1": "\\(\\dfrac{6}{25}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 Weighted Assessment 1 Q16",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The line graph shows the amount of petrol sold in a petrol station from 12 00 to 17 00.<br>(a) What was the amount of petrol in the petrol station at the start?<br>[?] litres<br>(b) At which 1-hour period was the most amount of petrol sold?<br>[?] to [?]<br>(c) Mr Tan sold 3 litres of petrol for \\$2. How much did he earn from selling the petrol at 13 00?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 Weighted Assessment 2 Q6",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "(a) Write $$\\frac{15}{7}$$ as a mixed number. <br>(b) Express 0.75 as a fraction in its simplest form.",
    "answer0": "\\(2\\dfrac{1}{7}\\) , \\(\\dfrac{3}{4}\\)",
    "answer1": "\\(\\dfrac{3}{4}\\) , \\(2\\dfrac{1}{7}\\)",
    "answer2": "\\(\\dfrac{3}{4}\\) , \\(2\\dfrac{1}{7}\\)",
    "answer3": "\\(\\dfrac{3}{4}\\) , \\(2\\dfrac{1}{7}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Red Swastika 2025 P4 Weighted Assessment 2 Q7",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "(a) Arrange the following in decreasing order. $$\\frac{13}{5}$$, $$2\\frac{3}{4}$$, $$\\frac{7}{8}$$<br>, , <br>(b) What is the missing number in the box? $$\\frac{15}{24} = \\frac{}{8}$$",
    "answer0": "\\(2\\dfrac{3}{4}\\) , \\(\\dfrac{13}{5}\\) , \\(\\dfrac{7}{8}\\) , 5",
    "answer1": "5 , \\(\\dfrac{7}{8}\\) , \\(\\dfrac{13}{5}\\) , \\(2\\dfrac{3}{4}\\)",
    "answer2": "\\(\\dfrac{13}{5}\\) , \\(\\dfrac{7}{8}\\) , 5 , \\(2\\dfrac{3}{4}\\)",
    "answer3": "\\(2\\dfrac{3}{4}\\) , \\(\\dfrac{7}{8}\\) , 5 , \\(\\dfrac{13}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (4 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Red Swastika 2025 P4 Weighted Assessment 2 Q10",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Leonard had \\$120. He spent $$\\frac{5}{8}$$ of his money and saved the rest. How much did Leonard save? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Red Swastika 2025 P4 Weighted Assessment 2 Q16",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "There are some beads in a box. $$\\frac{7}{9}$$ of them are red beads and the rest are blue beads. There are 130 more red beads than blue beads.<br>(a) What fraction of the beads are blue? <br>(b) How many beads are there in the box?",
    "answer0": "\\(\\dfrac{2}{9}\\) , 234",
    "answer1": "234 , \\(\\dfrac{2}{9}\\)",
    "answer2": "234 , \\(\\dfrac{2}{9}\\)",
    "answer3": "234 , \\(\\dfrac{2}{9}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 Q3",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Write \\(8\\dfrac{7}{25}\\) as a decimal.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 Q5",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": "\\(\\dfrac{4}{11}\\)",
    "answer1": "\\(\\dfrac{4}{7}\\)",
    "answer2": "\\(\\dfrac{7}{11}\\)",
    "answer3": "\\(\\dfrac{7}{4}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 Q6",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Which one of the following is not an equivalent fraction of \\(\\dfrac{1}{4}\\) ?",
    "answer0": "\\(\\dfrac{2}{8}\\)",
    "answer1": "\\(\\dfrac{3}{12}\\)",
    "answer2": "\\(\\dfrac{4}{16}\\)",
    "answer3": "\\(\\dfrac{6}{20}\\)",
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Some factors of 63 are 1, 3, 7 and 63. What are the other two factors of 63?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 Q16",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions \\(\\dfrac{2}{5}\\) , \\(\\dfrac{3}{6}\\) , \\(\\dfrac{4}{7}\\) , \\(\\dfrac{5}{11}\\) are smaller than \\(\\dfrac{1}{2}\\) ?",
    "answer0": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{5}{11}\\)",
    "answer1": "\\(\\dfrac{5}{11}\\) , \\(\\dfrac{2}{5}\\)",
    "answer2": "\\(\\dfrac{5}{11}\\) , \\(\\dfrac{2}{5}\\)",
    "answer3": "\\(\\dfrac{5}{11}\\) , \\(\\dfrac{2}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 Q17",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of \\(\\dfrac{9}{10}\\) + \\(\\dfrac{4}{5}\\) ? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{7}{10}\\)",
    "answer1": "\\(1\\dfrac{8}{10}\\)",
    "answer2": "\\(2\\dfrac{7}{10}\\)",
    "answer3": "\\(1\\dfrac{6}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 Q21",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "Damien is facing East. He makes a \\(\\dfrac{3}{4}\\) -turn in the clockwise direction. Which direction is Damien facing after making the turn?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 3.08 as a mixed number in its simplest form.",
    "answer0": "\\(3\\dfrac{2}{25}\\)",
    "answer1": "\\(3\\dfrac{3}{25}\\)",
    "answer2": "\\(4\\dfrac{2}{25}\\)",
    "answer3": "\\(3\\dfrac{1}{25}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 Q25",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Eve bought a pair of scissors costing \\$4.05 and a calculator costing \\$8.60 from the bookshop. How much did she spend in total? Give your answer to the nearest dollar. Ans: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 P2 Q6",
    "fix_types": [
      "frac_text",
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Sonia ate \\(\\dfrac{2}{7}\\) of a cake. Lucas ate \\(\\dfrac{2}{5}\\) of the same cake. What fraction of the cake did Lucas eat more than Sonia?",
    "answer0": "\\(\\dfrac{4}{35}\\)",
    "answer1": "\\(\\dfrac{35}{4}\\)",
    "answer2": "\\(\\dfrac{5}{35}\\)",
    "answer3": "\\(\\dfrac{4}{36}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 P2 Q12",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr Tan went on a cruise with his wife and 4 children. A child ticket cost \\$170 less than an adult ticket. He paid \\$1600 for all the tickets. What was the cost of a child ticket? Ans: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 P2 Q13",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "David's water bottle was \\(\\dfrac{7}{12}\\) filled with water. After he had drunk 270 ml of water from the bottle, it became \\(\\dfrac{1}{3}\\) full. What was the capacity of David's water bottle? Ans: [?] ml",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Rulang 2022 P4 Semestral Assessment 2 P2 Q16",
    "fix_types": [
      "dollar_math",
      "frac_text"
    ],
    "type_id": null,
    "question": "The line graph shows Mindy's savings from March to July. (a) What was the difference between her savings in April and June? (b) What was her total savings from March to July? (c) What fraction of her total savings from March to July was her savings in July? Give your answer in its simplest form. Ans (a): \\$[?] Ans (b): \\$[?] Ans (c): [?]",
    "answer0": null,
    "answer1": null,
    "answer2": "\\(\\dfrac{2}{7}\\)",
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2023 P4 End of Year Exam Q19",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": null,
    "answer1": "\\(\\dfrac{2}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2023 P4 End of Year Exam Q22",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What fraction of the stars are grey in colour?",
    "answer0": "\\(\\dfrac{5}{12}\\)",
    "answer1": "\\(\\dfrac{12}{5}\\)",
    "answer2": "\\(\\dfrac{6}{12}\\)",
    "answer3": "\\(\\dfrac{5}{13}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "SCGS 2023 P4 End of Year Exam Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{3}{10}+\\frac{4}{5}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{10}\\)",
    "answer1": "\\(1\\dfrac{2}{10}\\)",
    "answer2": "\\(2\\dfrac{1}{10}\\)",
    "answer3": "\\(1\\dfrac{1}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "SCGS 2023 P4 End of Year Exam Q37",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Ms Chai bought 3 blouses and 4 skirts for \\$465. Each skirt costs \\$20 more than a blouse. What is the cost of 1 blouse? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2023 P4 End of Year Exam Q39",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Olivia used $$\\frac{2}{3}$$ kg of sugar. Shannon used $$\\frac{1}{6}$$ kg of sugar more than Olivia. Adele used $$\\frac{1}{3}$$ kg less sugar than Shannon. What was the amount of sugar used by Adele? Express your answer in its simplest form.",
    "answer0": "\\(\\dfrac{1}{2}\\)",
    "answer1": "\\(\\dfrac{2}{1}\\)",
    "answer2": "\\(\\dfrac{2}{2}\\)",
    "answer3": "\\(\\dfrac{1}{3}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "SCGS 2024 P4 End-of-Year Exam Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$1 - \\frac{1}{8} - \\frac{1}{4}$$",
    "answer0": "\\(\\dfrac{5}{8}\\)",
    "answer1": "\\(\\dfrac{8}{5}\\)",
    "answer2": "\\(\\dfrac{6}{8}\\)",
    "answer3": "\\(\\dfrac{5}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "SCGS 2024 P4 End-of-Year Exam Q22",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$2\\frac{2}{3}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{8}{3}\\)",
    "answer1": "\\(\\dfrac{3}{8}\\)",
    "answer2": "\\(\\dfrac{9}{3}\\)",
    "answer3": "\\(\\dfrac{8}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "SCGS 2024 P4 End-of-Year Exam Q26",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "After spilling $$\\frac{2}{3}$$ $$l$$ of water, John has $$1\\frac{1}{2}$$ $$l$$ of water left. How much water does he have at first? Give your answer as a mixed number.",
    "answer0": "\\(2\\dfrac{1}{6}\\)",
    "answer1": "\\(2\\dfrac{2}{6}\\)",
    "answer2": "\\(3\\dfrac{1}{6}\\)",
    "answer3": "\\(2\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "SCGS 2024 P4 End-of-Year Exam Q36",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Tan had \\$188.70. She spent \\$39.90 on a blouse. She gave the rest of the money equally to her 3 children. How much did each child receive? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2024 P4 End-of-Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Katherine bought 10.25 $$l$$ of fruit juice. She fills them into 9 bottles. Each bottle is filled with 0.45 $$l$$ of fruit juice.<br>(a) How much fruit juice will be left?<br>(b) How much did Katherine pay for the fruit juice if it cost $4 per litre?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "SCGS 2024 P4 End-of-Year Exam Q41",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Aminah divided her garden into 4 equal plots, A, B, C and D. The area of her garden is 240 m². $$\\frac{1}{2}$$ of Plot A was planted with tulips and $$\\frac{1}{4}$$ of Plot B was planted with roses. What fraction of her garden did she plant with tulips and roses?",
    "answer0": "\\(\\dfrac{3}{16}\\)",
    "answer1": "\\(\\dfrac{16}{3}\\)",
    "answer2": "\\(\\dfrac{4}{16}\\)",
    "answer3": "\\(\\dfrac{3}{17}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "SCGS 2024 P4 Term 1 Review Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Using the digits in the boxes, write the largest possible odd number.<br>$$3$$  $$7$$  $$0$$  $$8$$  $$2$$<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2024 P4 Term 1 Review Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round off 11604 to the nearest thousand.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2024 P4 Term 1 Review Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A washing machine cost \\$678. What is the total cost of 6 such washing machines?<br>Ans: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2024 P4 Term 1 Review Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There are 253 biscuits packed into boxes of 4. What is the smallest number of biscuits that are left over?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2024 P4 Term 1 Review Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ms Lee has 385 stickers. She gave 121 stickers to her nieces and nephews. She packs the rest into smaller packets of 8 for her students. How many packets will there be?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2024 P4 Term 1 Review Q14",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A table, a chair and a stool cost \\$198. The table costs 3 times as much as the chair. The stool costs \\$17 less than the chair. How much is the stool?<br>Ans: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2024 P4 Term 2 Review Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the product of 619 and 27?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2024 P4 Term 2 Review Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Hina had $72. She spent \\(\\dfrac{1}{4}\\) of her money on a bag. How much money had she left after buying the bag?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2024 P4 Term 2 Review Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A factory made 7895 cookies. The cookies were packed into boxes of 9. What was the least number of cookies left unpacked?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "SCGS 2024 P4 Term 2 Review Q13",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A sofa costs \\$2286. The total cost of 6 chairs is \\$450 more than the sofa. How much does each chair cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 End of Year Exam Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{2}{3}-\\frac{1}{12}$$",
    "answer0": "\\(\\dfrac{7}{12}\\)",
    "answer1": "\\(\\dfrac{12}{7}\\)",
    "answer2": "\\(\\dfrac{8}{12}\\)",
    "answer3": "\\(\\dfrac{7}{13}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2023 P4 End of Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{1}{3}+\\frac{5}{6}$$?<br>Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{1}{6}\\)",
    "answer1": "\\(1\\dfrac{2}{6}\\)",
    "answer2": "\\(2\\dfrac{1}{6}\\)",
    "answer3": "\\(1\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2023 P4 End of Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$1-\\frac{1}{2}-\\frac{1}{6}$$.<br>Express your answer in the simplest form.",
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{3}{1}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2023 P4 End of Year Exam Q31",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the amounts of money Jamie earned from January to April. Jamie earned a total of \\$3795 in the 4 months. What was Jamie's amount earned in February?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 End of Year Exam Q33",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Martha had \\$36. She had 5 times as much money as Rina. How much money did both of them have?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 End of Year Exam Q41a",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Ken has 600 stamps. He gave $$\\frac{3}{5}$$ of the stamps to Tom, $$\\frac{1}{10}$$ of the stamps to John and kept the rest for himself.<br>(a) What fraction of the stamps did Ken keep for himself?",
    "answer0": "\\(\\dfrac{3}{10}\\)",
    "answer1": "\\(\\dfrac{10}{3}\\)",
    "answer2": "\\(\\dfrac{4}{10}\\)",
    "answer3": "\\(\\dfrac{3}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2023 P4 End of Year Exam Q41b",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Ken has 600 stamps. He gave $$\\frac{3}{5}$$ of the stamps to Tom, $$\\frac{1}{10}$$ of the stamps to John and kept the rest for himself.<br>(b) How many more stamps did Ken give to Tom than to John?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Hakim, Gomez and Vignesh saved \\$1895 in a particular month. Hakim saved six times as much money as Gomez. Gomez saved \\$95 less than Vignesh. How much money did Hakim save?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 End of Year Exam Q44a",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "4 files cost as much as 3 notebooks. Martha paid $84.60 for 2 files and 3 notebooks.<br>(a) How much does 1 file cost?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 End of Year Exam Q44b",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "4 files cost as much as 3 notebooks. Martha paid $84.60 for 2 files and 3 notebooks.<br>(b) How much do 3 notebooks cost?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Raja wanted to buy a new piano which costs \\$3483. He had been saving for 9 months but he was still short of \\$1647. He saved an equal amount of money each month. How much did Raja save each month?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Some factors of 36 are 1, 2, 3, 4, 6, 12, 36. What are the other two factors of 36?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Two of the common factors of 12 and 18 are 1 and 2. What are the other 2 common factors of 12 and 18?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 283 and 28.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the quotient when 6300 is divided by 3.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The number of people in a concert rounded to the nearest hundred is 55 100. What is the greatest possible number of people in the stadium?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q18",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Gopal has a number card. The number on the card is a factor of 36 and a multiple of 3. It is more than 12 but less than 20. What is the number on Gopal's card?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q19",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A number is between 40 and 50. It is also a multiple of 6. When it is divided by 8, there is no remainder. What is the number?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Carrie earns $75 a day on weekdays. She is paid twice as much on Saturdays. She worked for 21 weekdays and a Saturday in a particular month. How much does Carrie earn on a Saturday?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q22",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Carrie earns $75 a day on weekdays. She is paid twice as much on Saturdays. She worked for 21 weekdays and a Saturday in a particular month. How much did Carrie earn for that month?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q23",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A fruit seller had 106 boxes of oranges. There were 24 oranges in each box. He sold all the oranges at 8 for $5. How many oranges did the fruit seller have altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A fruit seller had 106 boxes of oranges. There were 24 oranges in each box. He sold all the oranges at 8 for $5. How much money did he receive from the sale of all the oranges?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2023 P4 Weighted Assessment 1 Q25",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Siti and Alexis collected the same number of stamps. Siti gave away 64 of her stamps and Alexis gave away 121 of her stamps. In the end, Siti had 4 times as many stamps as Alexis. How many stamps did each of them collect?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q8",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mary bought a table and 3 chairs. The table cost \\$180 more than each chair. She gave the cashier \\$1000 and received \\$40 change. What was the cost of each chair?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q10",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Tan packed 40 plums into some bags. Each bag contained 7 plums. She sold each bag of plums at \\$6 and each remaining plum at \\$1 each. How much would she collect if she sold all the plums?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{11}{12}$$ − $$\\frac{5}{6}$$",
    "answer0": "\\(\\dfrac{1}{12}\\)",
    "answer1": "\\(\\dfrac{12}{1}\\)",
    "answer2": "\\(\\dfrac{2}{12}\\)",
    "answer3": "\\(\\dfrac{1}{13}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{2}{3}$$ + $$\\frac{7}{9}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{4}{9}\\)",
    "answer1": "\\(1\\dfrac{5}{9}\\)",
    "answer2": "\\(2\\dfrac{4}{9}\\)",
    "answer3": "\\(1\\dfrac{3}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "1 − $$\\frac{1}{2}$$ − $$\\frac{3}{8}$$",
    "answer0": "\\(\\dfrac{1}{8}\\)",
    "answer1": "\\(\\dfrac{8}{1}\\)",
    "answer2": "\\(\\dfrac{2}{8}\\)",
    "answer3": "\\(\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q31",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The table shows the amounts of donations collected by a charity group from Friday to Monday. The charity group collected \\$7850 in total. What was the amount collected on Sunday?<br>Ans: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q33",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "2 similar spoons and 2 similar mugs cost \\$27. Each mug costs two times as much as each spoon. How much will 3 such spoons cost?<br>Ans: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q36",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "In the figure, rectangle WXYZ is made up of 6 unit squares. What fraction of the rectangle WXYZ is shaded?",
    "answer0": "\\(\\dfrac{5}{12}\\)",
    "answer1": "\\(\\dfrac{12}{5}\\)",
    "answer2": "\\(\\dfrac{6}{12}\\)",
    "answer3": "\\(\\dfrac{5}{13}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q41",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mr Lim had 2 ropes. The first rope was $$\\frac{3}{5}$$ m long. It was $$\\frac{1}{4}$$ m longer than the second rope.<br>(a) What was the length of the second rope?<br>(b) What was the total length of the two ropes?<br>(a)  m<br>(b)  m",
    "answer0": "\\(\\dfrac{7}{20}\\) , \\(\\dfrac{19}{20}\\)",
    "answer1": "\\(\\dfrac{19}{20}\\) , \\(\\dfrac{7}{20}\\)",
    "answer2": "\\(\\dfrac{19}{20}\\) , \\(\\dfrac{7}{20}\\)",
    "answer3": "\\(\\dfrac{19}{20}\\) , \\(\\dfrac{7}{20}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q42",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Bob and John had a total of \\$2500 at first. After Bob spent \\$180 on a watch and John earned \\$160 from selling some magazines during the holidays, both boys had the same amount of money at the end. How much money did Bob have at first?<br>Ans: \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2024 P4 End-of-Year Exam Q44",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mary had \\$5.20 less than Susan. After Susan's father gave Susan \\$10, Susan had 5 times as much money as Mary.<br>(a) How much money did Mary have?<br>(b) What was the total amount of money both girls had at first?<br>(a) \\$[?]<br>(b) \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2024 P4 Term 2 Review Q10",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A table cost \\$120 more than a chair.<br>1 table and 3 chairs cost \\$880.<br>How much does a chair cost?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2024 P4 Term 2 Review Q19",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A sofa set costs \\$2342.<br>A table costs \\$897 less than the sofa.<br>What is the total cost of the two items rounded to the nearest thousand? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2024 P4 Term 2 Review Q20",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Ahmad has \\$300 less than Jerry.<br>How much must Jerry give to Ahmad so that Jerry has \\$24 more than Ahmad? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2024 P4 Term 3 Review Q26",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The graph shows the cost of potatoes of different masses.<br>(a) Mrs Tan bought 6 kg of potatoes. She paid the cashier \\$50. How much change did she receive? \\$[?]<br>(b) Mr Lim bought 8 kg of potatoes. Mr Song bought 10 kg of potatoes. How much more money did Mr Song spend than Mr Lim? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2025 P4 End-of-Year Exam Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Lim had some money. After buying 48 toy planes at \\$367 each, she had \\$10 left. How much money did she have at first?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2025 P4 End-of-Year Exam Q23",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$3\\frac{4}{5}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{19}{5}\\)",
    "answer1": "\\(\\dfrac{5}{19}\\)",
    "answer2": "\\(\\dfrac{20}{5}\\)",
    "answer3": "\\(\\dfrac{19}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2025 P4 End-of-Year Exam Q24",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$\\frac{1}{4} + \\frac{5}{8}$$",
    "answer0": "\\(\\dfrac{7}{8}\\)",
    "answer1": "\\(\\dfrac{8}{7}\\)",
    "answer2": "\\(\\dfrac{8}{8}\\)",
    "answer3": "\\(\\dfrac{7}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2025 P4 End-of-Year Exam Q25",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$1 - \\frac{1}{10} - \\frac{1}{5}$$",
    "answer0": "\\(\\dfrac{7}{10}\\)",
    "answer1": "\\(\\dfrac{10}{7}\\)",
    "answer2": "\\(\\dfrac{8}{10}\\)",
    "answer3": "\\(\\dfrac{7}{11}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2025 P4 End-of-Year Exam Q31",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "The pie chart shows the amounts of donations collected by four classes. All four classes collected a total of \\$480. What was the amount collected by class 6D?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2025 P4 End-of-Year Exam Q32",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mr Lim has \\$3080. He has 7 times as much money as Mr Ng. How much money does Mr Ng have?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2025 P4 End-of-Year Exam Q34",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mrs Tay bought a dress and 2 skirts for \\$250. The dress cost \\$65.50 more than a skirt. What was the cost of 1 skirt?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2025 P4 End-of-Year Exam Q43",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Joan had some money. She spent $$\\frac{2}{3}$$ of it on a dress and $$\\frac{1}{4}$$ of it on a doll. She had \\$27 left. How much more money did she spend on the dress than on the doll?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2025 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A chair costs \\$280 lesser than a bed. A bed and 4 identical chairs cost \\$880. How much does each chair cost? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Hilda 2025 P4 Weighted Assessment 2 Q9",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What fraction of the set of shapes is shaded? Give your answer as a fraction in the simplest form.",
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{3}{1}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2025 P4 Weighted Assessment 2 Q10",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the sum of $$\\frac{1}{4}$$ and $$\\frac{1}{6}$$.<br>$$$$",
    "answer0": "\\(\\dfrac{5}{12}\\)",
    "answer1": "\\(\\dfrac{12}{5}\\)",
    "answer2": "\\(\\dfrac{6}{12}\\)",
    "answer3": "\\(\\dfrac{5}{13}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2025 P4 Weighted Assessment 2 Q13",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express the number represented by the letter A on the number line as an improper fraction.<br>$$$$",
    "answer0": "\\(\\dfrac{22}{5}\\)",
    "answer1": "\\(\\dfrac{5}{22}\\)",
    "answer2": "\\(\\dfrac{23}{5}\\)",
    "answer3": "\\(\\dfrac{22}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2025 P4 Weighted Assessment 2 Q14",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Hanz ran a distance of $$\\frac{5}{7}$$ km. The distance Sam ran was $$\\frac{1}{2}$$ km shorter than Hanz. What was the total distance that Hanz and Sam ran?<br>$$$$ km",
    "answer0": "\\(\\dfrac{13}{14}\\)",
    "answer1": "\\(\\dfrac{14}{13}\\)",
    "answer2": "\\(\\dfrac{14}{14}\\)",
    "answer3": "\\(\\dfrac{13}{15}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Hilda 2025 P4 Weighted Assessment 2 Q17",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mrs Lim used $$\\frac{3}{4}$$ kg of flour to bake some cupcakes. She used $$\\frac{1}{3}$$ kg of flour more than Mdm Siti. How much flour did they use altogether? Express your answer as a mixed number in its simplest form.<br>$$$$ kg",
    "answer0": "\\(1\\dfrac{1}{6}\\)",
    "answer1": "\\(1\\dfrac{2}{6}\\)",
    "answer2": "\\(2\\dfrac{1}{6}\\)",
    "answer3": "\\(1\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q16",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write twenty thousand, four hundred and eleven in numerals.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q17",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 72 650 to the nearest hundred.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q18",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is the remainder when 2046 is divided by 9?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q19",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$2\\frac{5}{7}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{19}{7}\\)",
    "answer1": "\\(\\dfrac{7}{19}\\)",
    "answer2": "\\(\\dfrac{20}{7}\\)",
    "answer3": "\\(\\dfrac{19}{8}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q20",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Measure ∠ABC.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Round 56.75 to 1 decimal place.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q25",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Some factors of 24 are 1, 3, 4, 6, 8 and 24. What are the other two factors of 24?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q28",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the sum of $$\\frac{1}{3}$$ and $$\\frac{3}{4}$$ ? Give your answer as a mixed number in its simplest form.",
    "answer0": "\\(1\\dfrac{1}{12}\\)",
    "answer1": "\\(1\\dfrac{2}{12}\\)",
    "answer2": "\\(2\\dfrac{1}{12}\\)",
    "answer3": "\\(1\\dfrac{1}{12}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Measure and write down the size of ∠x.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "EFGH is a rectangle. Find ∠z.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q31",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange the following from the smallest to greatest.<br>0.804 , 0.084 , $$\\frac{4}{5}$$<br>[?] , [?] , [?]",
    "answer0": null,
    "answer1": "\\(\\dfrac{4}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q32",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express 0.43 as a fraction.",
    "answer0": "\\(\\dfrac{43}{100}\\)",
    "answer1": "\\(\\dfrac{100}{43}\\)",
    "answer2": "\\(\\dfrac{44}{100}\\)",
    "answer3": "\\(\\dfrac{43}{101}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q33",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of 2 identical rectangles. What is the perimeter of the figure?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of a rectangle, ABCD and a square, CDEF. Find the area of the figure.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Every month, Xavier gives $650 to his father. He gives thrice the amount to his mother. How much money does he give to his parents per month?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A bookshop owner has 3095 pens. He wanted to pack all the pens into bags. A bag can pack at most 6 pens. What was the least number of bags he needed?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q40",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mrs Gopal bought $$\\frac{9}{10}$$ kg of flour. She bought $$\\frac{3}{5}$$ kg less of sugar than flour.<br>(a) What was the mass of sugar Mrs Gopal bought? <br>(b) How much flour and sugar did Mrs Gopal buy? Give your answer in the simplest form.",
    "answer0": "\\(\\dfrac{3}{10}\\) , \\(1\\dfrac{1}{5}\\)",
    "answer1": "\\(1\\dfrac{1}{5}\\) , \\(\\dfrac{3}{10}\\)",
    "answer2": "\\(1\\dfrac{1}{5}\\) , \\(\\dfrac{3}{10}\\)",
    "answer3": "\\(1\\dfrac{1}{5}\\) , \\(\\dfrac{3}{10}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q41",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "The cost of 3 identical ties and 2 identical belts cost \\$168.50. Each belt cost \\$21.50 more than a tie. How much did each belt cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 End-of-Year Exam Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A gardener wanted to surround his garden with a rectangular fence. The area of the garden is 64 m$$^2$$. How much did the gardener pay if 1-metre of fence cost $8?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q1",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "What is 100 less than 80 060?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "List all the common factors of 16 and 28.\n[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q3",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the product of 358 and 35.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q4",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Find the value of 6793 ÷ 6\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q5",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Express $$\\frac{42}{8}$$ as a mixed number in its simplest form.",
    "answer0": "\\(5\\dfrac{1}{4}\\)",
    "answer1": "\\(5\\dfrac{2}{4}\\)",
    "answer2": "\\(6\\dfrac{1}{4}\\)",
    "answer3": "\\(5\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A stadium can seat 52 000 people when rounded to the nearest thousand. What is the greatest possible seating capacity of this stadium?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "I am thinking of a 3-digit number.<br>When rounded to the hundred, the number is 800.<br>The digit in the hundreds place is twice that in the tens place.<br>The sum of all the digits is 15.<br>What is this number?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "James bought an equal number of red and blue marbles. He arranged the red marbles in groups of 5 and the blue marbles in groups of 3. What is the least possible number of red and blue marbles James bought altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q10",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Subtract $$\\frac{2}{3}$$ from $$\\frac{6}{7}$$.",
    "answer0": "\\(\\dfrac{4}{21}\\)",
    "answer1": "\\(\\dfrac{21}{4}\\)",
    "answer2": "\\(\\dfrac{5}{21}\\)",
    "answer3": "\\(\\dfrac{4}{22}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There were 141 sweets in a box. Melvin gave away $$\\frac{2}{3}$$ of them to his friends and kept the rest. How many sweets did he give away?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q12",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "A storybook and 2 notepads cost \\$46 altogether. The 2 notepads cost \\$10 less than the storybook. How much does 1 notepad cost?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the number of T-shirts sold by a shop from Monday to Friday.<br>(a) How many more T-shirts did the shop sell on Friday than on Tuesday?<br>(b) Over which two days was the increase in the number of T-shirts sold the greatest?<br>(c) If the number of T-shirts sold on Saturday was twice the number of T-shirts sold on Wednesday, how many T-shirts were sold on Saturday?<br>[?] , [?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q14",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Dan had thrice as many erasers as Elijah at first. After their parents gave them an equal number of erasers each, Dan had twice as many erasers as Elijah and they had a total of 84 erasers. How many erasers did Dan have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Joseph 2024 P4 Weighted Assessment 1 Q15",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Nicholas donated some of his savings to charity. He donated $$\\frac{3}{8}$$ of it to Charity A and $$\\frac{1}{4}$$ of it to Charity B. He then donated the rest of his savings equally among 4 other charities. If each of these 4 charities received $60, how much money did he donate to all 6 charities?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q22",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$\\frac{20}{9}$$ as a mixed number.",
    "answer0": "\\(2\\dfrac{2}{9}\\)",
    "answer1": "\\(2\\dfrac{3}{9}\\)",
    "answer2": "\\(3\\dfrac{2}{9}\\)",
    "answer3": "\\(2\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The perimeter of a square is 76 cm. What is the area of the square?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q26",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The time shown on the clock is 20 minutes faster than the actual time. What is the actual time? Give your answer in p.m.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Liana started doing a science quiz at 12.42 p.m. There were 8 questions in this quiz. For the first 3 questions, Liana took 6 minutes to complete each question. For the remaining questions, she took 7 minutes to complete each question. At what time did Liana complete the quiz? Express your answer using the 24-hour clock.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q29",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are in the simplest form?<br>$$\\frac{2}{5}$$ , $$\\frac{3}{6}$$ , $$\\frac{5}{7}$$ , $$\\frac{6}{8}$$",
    "answer0": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{5}{7}\\)",
    "answer1": "\\(\\dfrac{5}{7}\\) , \\(\\dfrac{2}{5}\\)",
    "answer2": "\\(\\dfrac{5}{7}\\) , \\(\\dfrac{2}{5}\\)",
    "answer3": "\\(\\dfrac{5}{7}\\) , \\(\\dfrac{2}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q30",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$1-\\frac{1}{3}-\\frac{2}{9}$$.",
    "answer0": "\\(\\dfrac{4}{9}\\)",
    "answer1": "\\(\\dfrac{9}{4}\\)",
    "answer2": "\\(\\dfrac{5}{9}\\)",
    "answer3": "\\(\\dfrac{4}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q31",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write the decimal represented by X on the number line.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q32",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Arrange the following numbers from the smallest to the greatest.<br>0.801 , 0.081 , $$\\frac{4}{5}$$<br>[?] , [?] , [?]",
    "answer0": null,
    "answer1": "\\(\\dfrac{4}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "3 answers -> 3 [?] blanks in order"
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q33",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Gareth spent \\$20.45 on a shirt. He spent \\$12.25 more on a belt than the shirt. How much money did Gareth spend on the shirt and belt altogether?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q34",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Look at the diagram of eight directions around point Z.<br>(a) Sally was standing at point Z. After turning 135° anti-clockwise, she faced the supermarket. Where was Sally facing at first?<br>(b) Chitra was standing at point Z, facing the hawker centre at first. She made a $$\\frac{1}{4}$$-turn in an anti-clockwise direction. She then turned through an angle in a clockwise direction. She faced the police post in the end. What was the angle that Chitra turned clockwise?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q36",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Some factors of 52 are 1, 2, 4 and 52. What are the other two factors of 52?\n[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q37",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Hidayah needs to pack some books into boxes of 3 or 8. The number of books is fewer than 50. What is the greatest number of books that Hidayah has to pack?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q38",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the number of visitors at a museum last week. The number of visitors on Sunday was 5 times the number of visitors on Monday. How many visitors were at the museum on Monday?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q40",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Look at the figure. What is the size of $$\\angle ABC$$?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q41",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Johnny spent $$\\frac{1}{2}$$ of his salary on food and $$\\frac{1}{7}$$ on transport. In the end, he had $630 left. How much money did Johnny spend on transport?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q42",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mei Yi spent \\$14.90 on 4 erasers and 5 pencils. The total cost of 1 such eraser and 1 such pencil was \\$3.25.<br>(a) How much did 1 such pencil cost?<br>(b) Zachary bought 7 such pencils. He paid with a \\$50 note. How much change did Zachary receive?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q43",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Priscilla, William and Victor had a total of 680 stickers. Victor had 180 fewer stickers than Priscilla and William had 20 more stickers than Priscilla.<br>(a) How many stickers did Priscilla have?<br>(b) Victor then bought some stickers. Priscilla had twice as many stickers as him in the end. How many stickers did Victor buy?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q44",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Aqil collected 24 more stamps than Riley at first. After Aqil gave away 60 stamps, Riley had 4 times as many stamps as him. How many stamps did Aqil have at first?\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2023 P4 End of Year Exam Q45",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In the figure, all the lines meet at right angles.<br>(a) Find the length of EF.<br>(b) Find the perimeter of the figure.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "St Nicholas 2025 P4 End-of-Year Exam Q22",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$\\frac{20}{9}$$ as a mixed number.",
    "answer0": "\\(2\\dfrac{2}{9}\\)",
    "answer1": "\\(2\\dfrac{3}{9}\\)",
    "answer2": "\\(3\\dfrac{2}{9}\\)",
    "answer3": "\\(2\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Nicholas 2025 P4 End-of-Year Exam Q29",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are in the simplest form?<br>$$\\frac{2}{5}$$ , $$\\frac{3}{6}$$ , $$\\frac{5}{7}$$ , $$\\frac{6}{8}$$<br> and",
    "answer0": "\\(\\dfrac{2}{5}\\) , \\(\\dfrac{5}{7}\\)",
    "answer1": "\\(\\dfrac{5}{7}\\) , \\(\\dfrac{2}{5}\\)",
    "answer2": "\\(\\dfrac{5}{7}\\) , \\(\\dfrac{2}{5}\\)",
    "answer3": "\\(\\dfrac{5}{7}\\) , \\(\\dfrac{2}{5}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "St Nicholas 2025 P4 End-of-Year Exam Q30",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$1 - \\frac{1}{3} - \\frac{2}{9}$$.",
    "answer0": "\\(\\dfrac{4}{9}\\)",
    "answer1": "\\(\\dfrac{9}{4}\\)",
    "answer2": "\\(\\dfrac{5}{9}\\)",
    "answer3": "\\(\\dfrac{4}{10}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "St Nicholas 2025 P4 End-of-Year Exam Q32",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": null,
    "answer0": null,
    "answer1": "\\(\\dfrac{4}{5}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2025 P4 End-of-Year Exam Q33",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Gareth spent \\$20.45 on a shirt. He spent \\$12.25 more on a belt than the shirt. How much money did Gareth spend on the shirt and belt altogether? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2025 P4 End-of-Year Exam Q34",
    "fix_types": [
      "frac_text"
    ],
    "type_id": null,
    "question": "(a) Sally was standing at point Z. After turning 135 degrees anti-clockwise, she faced the supermarket. Where was Sally facing at first?<br>(b) Chitra was standing at point Z, facing the hawker centre at first. She made a \\(\\dfrac{1}{4}\\)-turn in an anti-clockwise direction. She then turned through an angle in a clockwise direction. She faced the police post in the end. What was the angle that Chitra turned?",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "St Nicholas 2025 P4 End-of-Year Exam Q42",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mei Yi spent \\$14.90 on 4 erasers and 5 pencils. The total cost of 1 such eraser and 1 such pencil was \\$3.25.<br>(a) How much did 1 such pencil cost? [?]<br>(b) Zachary bought 7 such pencils. He paid with a \\$50 note. How much change did Zachary receive? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2023 P4 End of Year Exam P1 Q13",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of 1 - $$\\frac{1}{4}$$ - $$\\frac{1}{8}$$.",
    "answer0": "\\(\\dfrac{5}{8}\\)",
    "answer1": "\\(\\dfrac{8}{5}\\)",
    "answer2": "\\(\\dfrac{6}{8}\\)",
    "answer3": "\\(\\dfrac{5}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2023 P4 End of Year Exam P1 Q17",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$\\frac{29}{4}$$ as a mixed number.",
    "answer0": "\\(7\\dfrac{1}{4}\\)",
    "answer1": "\\(7\\dfrac{2}{4}\\)",
    "answer2": "\\(8\\dfrac{1}{4}\\)",
    "answer3": "\\(7\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2023 P4 End of Year Exam P1 Q18",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions from the smallest to the greatest.<br>$$\\frac{7}{11}$$ , $$\\frac{1}{2}$$ , $$\\frac{10}{11}$$<br> (smallest) ,  ,  (greatest)",
    "answer0": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{7}{11}\\) , \\(\\dfrac{10}{11}\\)",
    "answer1": "\\(\\dfrac{10}{11}\\) , \\(\\dfrac{7}{11}\\) , \\(\\dfrac{1}{2}\\)",
    "answer2": "\\(\\dfrac{7}{11}\\) , \\(\\dfrac{10}{11}\\) , \\(\\dfrac{1}{2}\\)",
    "answer3": "\\(\\dfrac{1}{2}\\) , \\(\\dfrac{10}{11}\\) , \\(\\dfrac{7}{11}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Tao Nan 2023 P4 End of Year Exam P1 Q29",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "3 files and 3 pens cost \\$32.10. I paid \\$40 for 4 such files and 3 such pens. Find the cost of 3 pens. [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2023 P4 End of Year Exam P2 Q6",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A newly opened chicken stall had a promotion. For every chicken bought, the second chicken was sold at half price. Each chicken is \\$4.70. Mrs Dee bought 4 chickens.<br>(a) How much did she pay? [?]<br>(b) At the end of the day, the stall collected \\$440. There were two \\$100 notes, three \\$50 notes and some \\$10 notes. How many \\$10 notes were there? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2023 P4 End of Year Exam P2 Q9",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A group of 3 adults and 5 children bought tickets to watch a concert. Each adult ticket cost \\$7 more than each child ticket. The group paid a total of \\$125. What was the cost of each adult ticket? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2023 P4 End of Year Exam P2 Q10",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A curry puff cost \\$3 and a hotdog cost \\$4. Miss Gaya spent a total of \\$238 on 70 curry puffs and hotdogs. How many hotdogs did she buy? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2023 P4 Weighted Assessment 1 and 2 WA1 Q10",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Arrange the following fractions in decreasing order.<br>$$1\\frac{1}{6}$$, $$\\frac{3}{4}$$, $$\\frac{3}{2}$$",
    "answer0": "\\(\\dfrac{3}{2}\\) , \\(1\\dfrac{1}{6}\\) , \\(\\dfrac{3}{4}\\)",
    "answer1": "\\(\\dfrac{3}{4}\\) , \\(1\\dfrac{1}{6}\\) , \\(\\dfrac{3}{2}\\)",
    "answer2": "\\(1\\dfrac{1}{6}\\) , \\(\\dfrac{3}{4}\\) , \\(\\dfrac{3}{2}\\)",
    "answer3": "\\(\\dfrac{3}{2}\\) , \\(\\dfrac{3}{4}\\) , \\(1\\dfrac{1}{6}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (3 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Tao Nan 2023 P4 Weighted Assessment 1 and 2 WA1 Q11",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Meiling had some money. She spent $$\\frac{5}{6}$$ of the money and had \\$18 left. How much money did she have at first?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2023 P4 Weighted Assessment 1 and 2 WA1 Q14",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Tom and Jerry shared \\$1550 between them. Jerry received \\$90 less than Tom. How much money did Jerry receive?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2023 P4 Weighted Assessment 1 and 2 WA1 Q16",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Eileen baked 2800 cookies. She sold them in packets of 8 for \\$7 each. How much money did she collect?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2023 P4 Weighted Assessment 1 and 2 WA1 Q17",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Devi bought 24 curry puffs. She gave 6 curry puffs to her neighbour and her family ate 8 curry puffs. What fraction of the curry puffs were left? Express your answer in its simplest form.",
    "answer0": "\\(\\dfrac{5}{12}\\)",
    "answer1": "\\(\\dfrac{12}{5}\\)",
    "answer2": "\\(\\dfrac{6}{12}\\)",
    "answer3": "\\(\\dfrac{5}{13}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2023 P4 Weighted Assessment 1 and 2 WA2 Q20",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Emir had \\$6.40. After giving \\$1.20 to his brother, Emir had half the amount as his brother. What was the total amount they had altogether?<br>\\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q11",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Write twelve thousand and sixty-one in numerals.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q13",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Express $$\\frac{76}{100}$$ as a decimal.\n[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q15",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What fraction of the hearts shown are grey in colour?",
    "answer0": "\\(\\dfrac{11}{20}\\)",
    "answer1": "\\(\\dfrac{20}{11}\\)",
    "answer2": "\\(\\dfrac{12}{20}\\)",
    "answer3": "\\(\\dfrac{11}{21}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q18",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "In the figure, ABCD is a rectangle.<br>Find ∠FDE.<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q20",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "$$1-\\frac{1}{4}-\\frac{1}{2}$$",
    "answer0": "\\(\\dfrac{1}{4}\\)",
    "answer1": "\\(\\dfrac{4}{1}\\)",
    "answer2": "\\(\\dfrac{2}{4}\\)",
    "answer3": "\\(\\dfrac{1}{5}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q21",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Line AB is a line of symmetry for the figure shown.<br>What is the least number of additional squares that need to be shaded?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q22",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Xiao Ming ran $$\\frac{3}{4}$$ km. He ran $$\\frac{1}{3}$$ km less than John.<br>What was the total distance both boys ran?<br>Give your answer as a mixed number in the simplest form.",
    "answer0": "\\(1\\dfrac{5}{6}\\)",
    "answer1": "\\(1\\dfrac{6}{6}\\)",
    "answer2": "\\(2\\dfrac{5}{6}\\)",
    "answer3": "\\(1\\dfrac{4}{6}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q23",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Tan bought the food items as shown. He paid the cashier \\$50.<br>How much change did he receive?<br>Pizza \\$13.50, Pasta \\$9.85, Garlic bread \\$2.40<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q24",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Four times a number is greater than half the number by 49.<br>Find the number.<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q25",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the number of visitors to the zoo from Wednesday to Sunday.<br>How many visitors visited the zoo in total on Saturday and Sunday?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q27",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The line graph shows the number of visitors to the zoo from Wednesday to Sunday.<br>Each ticket to the zoo cost $8. How much more money was collected from the ticket sales on Wednesday than on Friday?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q29",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "2 oranges cost as much as 3 apples. Ali paid $15 for 4 oranges and 4 apples.<br>Find the cost of 5 apples.<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Q30",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "I am a factor of 36.<br>When 3 is added to me, I become a multiple of 4 that is greater than 10.<br>What number am I?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Paper 2 Q1",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Buy 1 eraser for \\$1. Buy 6 erasers for \\$4.<br>Sam wants to buy 206 erasers.<br>What is the least amount of money he will need?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Paper 2 Q2",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Hannah had 10 m of lace.<br>She used 3.59 m of it for curtains and 1.25 m of it for cushion covers.<br>She then cut the remaining lace into two equal pieces.<br>How long was each piece of lace?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Paper 2 Q3",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Mr Tay drove from Singapore to Kuala Lumpur. He started his journey at 07 59 and reached a hotel in Kuala Lumpur at 13 00.<br>(a) How long did the journey take from Singapore to the hotel?<br>(b) The next day, Mr Tay left the hotel to meet a friend for lunch. The drive was 40 min long but he was caught in a traffic jam for 25 min. He reached the meeting place at 2.15 p.m. What time did he leave the hotel?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Paper 2 Q4",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "There were some buttons in Bag A, Bag B and Bag C. Bag A had 1740 buttons. Bag A had 500 more buttons than Bag B. Bag B had twice as many buttons as Bag C.<br>How many buttons were there in total?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Paper 2 Q5",
    "fix_types": [
      "frac_text",
      "missing_blank"
    ],
    "type_id": null,
    "question": "The pie chart shows the number of pets kept by some students. Each student keeps only 1 type of pet. $$\\frac{3}{5}$$ of the students keep pet dogs and cats. Cats = 28, Fish = 15.<br>(a) Find the total number of students.<br>(b) What fraction of the students keep fish as pets? Give your answer in the simplest form.<br>[?] , [?]",
    "answer0": null,
    "answer1": "\\(\\dfrac{3}{16}\\)",
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Paper 2 Q6",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "A box is filled with yellow, blue and white cubes. $$\\frac{5}{9}$$ of the cubes are yellow, 541 cubes are blue and 459 cubes are white.<br>How many more yellow cubes than white cubes are there?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Paper 2 Q7",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "The figure is made up of a square and 2 identical rectangles.<br>(a) Find the area of the figure.<br>(b) Find the perimeter of the figure.<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Paper 2 Q8",
    "fix_types": [
      "dollar_math",
      "missing_blank"
    ],
    "type_id": null,
    "question": "Uncle Jubilee Theme Park Entrance Fees. Single Ticket: Adult \\$12.80, Child \\$8. Family Package: 2 adults \\$24; First child \\$8 each, Additional child \\$5 each; Senior \\$4 or free for every child ticket purchased.<br>(a) Mr Ali, his wife, his 2 elderly parents and 3 children went to the theme park. What was the least amount Mr Ali paid altogether?<br>(b) Miss Gopal took a group of students to the theme park. The total amount she paid to enter the theme park was \\$60.80. How many students did Miss Gopal take to the theme park?<br>[?] , [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": "2 answers -> 2 [?] blanks in order"
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Paper 2 Q9",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "Rope X was 2322 cm and Rope Y was 1065 cm. After the same length was cut from each rope, the remaining length of Rope X was four times the remaining length of Rope Y.<br>What was the length that was cut from each rope in m and cm?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2024 P4 End-of-Year Exam Paper 2 Q10",
    "fix_types": [
      "missing_blank"
    ],
    "type_id": null,
    "question": "244 apples were packed into a total of 35 square and round boxes. There were 8 apples in each square box and 6 apples in each round box.<br>How many square boxes were used?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2025 P4 End-of-Year Exam Q14",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions below are smaller than $$\\frac{1}{2}$$?<br>$$\\frac{2}{3}$$ , $$\\frac{4}{9}$$ , $$\\frac{5}{11}$$ , $$\\frac{6}{12}$$<br> and",
    "answer0": "\\(\\dfrac{5}{11}\\) , \\(\\dfrac{4}{9}\\)",
    "answer1": "\\(\\dfrac{4}{9}\\) , \\(\\dfrac{5}{11}\\)",
    "answer2": "\\(\\dfrac{4}{9}\\) , \\(\\dfrac{5}{11}\\)",
    "answer3": "\\(\\dfrac{4}{9}\\) , \\(\\dfrac{5}{11}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Tao Nan 2025 P4 End-of-Year Exam Q15",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "What is the value of $$\\frac{5}{6} + \\frac{7}{12}$$? Express your answer as a mixed number.",
    "answer0": "\\(1\\dfrac{5}{12}\\)",
    "answer1": "\\(1\\dfrac{6}{12}\\)",
    "answer2": "\\(2\\dfrac{5}{12}\\)",
    "answer3": "\\(1\\dfrac{4}{12}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2025 P4 End-of-Year Exam Q29",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Amanda had \\$1240 and Sophie had \\$1304 in savings at first. Then, Amanda saved \\$20 each day while Sophie saved \\$12 each day. After how many days did the 2 girls have the same amount of money? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2025 P4 End-of-Year Exam Q30",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Tom bought 4 erasers and 3 pencils from the bookshop for \\$6.10. Jane bought 7 erasers and 3 pencils for \\$7.30. What is the price of 1 pencil? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2025 P4 End-of-Year Exam Q31",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "A shop sells doughnuts: 1 doughnut for \\$2; buy 5 doughnuts and get 1 free. Mrs Ho has \\$14. What is the greatest number of doughnuts she can get? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2025 P4 End-of-Year Exam Q38",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Mdm Nura baked 4 apple tarts, 8 blueberry tarts and 11 chocolate tarts. Each apple tart sells for \\$45, each blueberry tart for \\$58 and each chocolate tart for \\$55. Mdm Nura sold all the apple and blueberry tarts which she had baked. How much did she receive from the sale of all the apple and blueberry tarts? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2025 P4 End-of-Year Exam Q40",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "In March there were 312 students choosing a favourite sport, with 40 choosing tennis. In April, 8 new students chose badminton as their favourite sport. The number of students who chose tennis remained unchanged. What fraction of the students chose tennis as their favourite sport in April? Give your answer in the simplest form.",
    "answer0": "\\(\\dfrac{1}{8}\\)",
    "answer1": "\\(\\dfrac{8}{1}\\)",
    "answer2": "\\(\\dfrac{2}{8}\\)",
    "answer3": "\\(\\dfrac{1}{9}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2025 P4 End-of-Year Exam Q41",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Mr Lee had red, yellow and purple files. $$\\frac{1}{4}$$ of the files were red and $$\\frac{3}{5}$$ of the files were yellow. The rest of the files were purple. What fraction of the files were purple?",
    "answer0": "\\(\\dfrac{3}{20}\\)",
    "answer1": "\\(\\dfrac{20}{3}\\)",
    "answer2": "\\(\\dfrac{4}{20}\\)",
    "answer3": "\\(\\dfrac{3}{21}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2025 P4 End-of-Year Exam Q44",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "At a mall, a watch cost 6 times as much as a bag, and the bag cost \\$91.25 less than the watch. Mrs Tan bought a watch and 3 bags for \\$164.25. Mrs Tan paid the cashier with two \\$100 notes. How much change did she get? [?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2025 P4 Weighted Assessment 1 Q2",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Write $$4\\frac{2}{3}$$ as an improper fraction.",
    "answer0": "\\(\\dfrac{14}{3}\\)",
    "answer1": "\\(\\dfrac{3}{14}\\)",
    "answer2": "\\(\\dfrac{15}{3}\\)",
    "answer3": "\\(\\dfrac{14}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2025 P4 Weighted Assessment 1 Q8",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Find the value of $$1 - \\frac{1}{4} - \\frac{5}{12}$$<br>Express your answer in the simplest form.",
    "answer0": "\\(\\dfrac{1}{3}\\)",
    "answer1": "\\(\\dfrac{3}{1}\\)",
    "answer2": "\\(\\dfrac{2}{3}\\)",
    "answer3": "\\(\\dfrac{1}{4}\\)",
    "correct_answer": 0,
    "note": "fraction FIB -> MCQ; distractors auto-generated, verify plausibility"
  },
  {
    "source": "Tao Nan 2025 P4 Weighted Assessment 1 Q9",
    "fix_types": [
      "frac_fib_to_mcq"
    ],
    "type_id": 1,
    "question": "Which two of the fractions are equivalent?<br>$$\\frac{8}{12}$$, $$\\frac{3}{9}$$, $$\\frac{4}{6}$$, $$\\frac{6}{8}$$<br> and",
    "answer0": "\\(\\dfrac{8}{12}\\) , \\(\\dfrac{4}{6}\\)",
    "answer1": "\\(\\dfrac{4}{6}\\) , \\(\\dfrac{8}{12}\\)",
    "answer2": "\\(\\dfrac{4}{6}\\) , \\(\\dfrac{8}{12}\\)",
    "answer3": "\\(\\dfrac{4}{6}\\) , \\(\\dfrac{8}{12}\\)",
    "correct_answer": 0,
    "note": "multi-answer ordering (2 parts) -> single MCQ of correct sequence; verify distractor orderings"
  },
  {
    "source": "Tao Nan 2025 P4 Weighted Assessment 1 Q14",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Ali, Bobby and Calvin had \\$4000 altogether. Ali had \\$1000 more than Bobby. Calvin had \\$300 less than Bobby. How much money did Calvin have?<br>[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2025 P4 Weighted Assessment 2 Q1",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "At a stationery shop, ribbons are sold by the piece. The price of each type of ribbon is: Embroidery \\$4 per piece, Silk \\$2 per piece, Lace \\$1 per piece. Trisha and Kate have a total of \\$21 to spend on ribbons. Trisha bought 3 pieces of silk ribbon. How much money is left for Kate to spend? \\$[?]",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2025 P4 Weighted Assessment 2 Q2",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Ribbon prices: Embroidery \\$4, Silk \\$2, Lace \\$1 per piece. Kate has \\$15 left to spend (from Task 1a) and must spend all of it. Scenario 1: Kate must buy all three types of ribbons. Complete the table showing the number of pieces of each ribbon and the total amount spent.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2025 P4 Weighted Assessment 2 Q3",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Ribbon prices: Embroidery \\$4, Silk \\$2, Lace \\$1 per piece. Kate has \\$15 left to spend and must spend all of it. Scenario 2: Kate must buy the greatest number of ribbons possible and include at least two different types of ribbons. Complete the table showing the number of pieces of each ribbon and the total amount spent.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  },
  {
    "source": "Tao Nan 2025 P4 Weighted Assessment 2 Q5",
    "fix_types": [
      "dollar_math"
    ],
    "type_id": null,
    "question": "Aisha has \\$20 to buy ribbons for a special project. Ribbon prices: Embroidery \\$4, Silk \\$2, Lace \\$1 per piece. Show two different combinations of ribbons that each meet these conditions: the total cost is as close as possible to \\$20; at least two different types of ribbon are included; silk ribbon must be included. Give Combination 1 and Combination 2.",
    "answer0": null,
    "answer1": null,
    "answer2": null,
    "answer3": null,
    "correct_answer": null,
    "note": null
  }
]