{
  "paper": {
    "school": "Rosyth",
    "year": 2022,
    "level": "P3",
    "label": "Weighted Assessment 2",
    "source_prefix": "Rosyth 2022 P3 Weighted Assessment 2",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "The bar graph shows the favourite sports of some children. Which is the sport that most children choose as their favourite?",
      "answer0": "Basketball",
      "answer1": "Tennis",
      "answer2": "Soccer",
      "answer3": "Swimming",
      "correct_answer": 3,
      "skill_id": 102,
      "difficulty_id": 1,
      "explanation": "Swimming has the tallest bar (24 children), more than Basketball (12), Soccer (10) and Tennis (8).",
      "hints": ["Look for the tallest bar.", "Read the sport label under that bar."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q1",
      "image_needed": true,
      "image_page": 3,
      "image_loc": "upper-middle of page, vertical bar graph 'Favourite Sports' below the question text",
      "image_options": false,
      "image_file": "q1.png",
      "notes": "Answer key: Swimming. Made MCQ (categorical/word answer) with the 4 bar labels as options."
    },
    {
      "n": 2,
      "type_id": 2,
      "question": "The bar graph shows the number of students who visited the school bookshop from Monday to Friday. How many more students visited the bookshop on Monday than on Tuesday? [?]",
      "answer0": "27",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 104,
      "difficulty_id": 2,
      "explanation": "Monday = 39 students, Tuesday = 12 students. 39 - 12 = 27.",
      "hints": ["Read the Monday and Tuesday bar values.", "Subtract Tuesday from Monday."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q2",
      "image_needed": true,
      "image_page": 4,
      "image_loc": "upper-middle of page, horizontal bar graph 'Number of students who visited the school bookshop'",
      "image_options": false,
      "image_file": "q2.png",
      "notes": "Answer key: 39 - 12 = 27."
    },
    {
      "n": 3,
      "type_id": 2,
      "question": "Write 2 km 560 m in metres. [?]",
      "answer0": "2560",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 86,
      "difficulty_id": 1,
      "explanation": "2 km = 2000 m, so 2 km 560 m = 2000 + 560 = 2560 m.",
      "hints": ["1 km = 1000 m.", "Add the metre part to the converted kilometres."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q3",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 2560 m. Answer unit is m."
    },
    {
      "n": 4,
      "type_id": 2,
      "question": "Arrange this set of fractions in order, beginning with the smallest. 2/5 , 2/7 , 2/3 [?] , [?] , [?]",
      "answer0": "2/7",
      "answer1": "2/5",
      "answer2": "2/3",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 79,
      "difficulty_id": 2,
      "explanation": "With the same numerator, the larger the denominator the smaller the fraction. 2/7 < 2/5 < 2/3.",
      "hints": ["The numerators are all 2.", "A bigger denominator means a smaller fraction."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q4",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Ordering task -> FIB, one blank per position smallest to largest. Answer key: 2/7, 2/5, 2/3."
    },
    {
      "n": 5,
      "type_id": 2,
      "question": "The bar graph shows the number of books four children have. How many books must John give to Bala so that they will have the same number of books? [?]",
      "answer0": "25",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 104,
      "difficulty_id": 2,
      "explanation": "John has 130 books, Bala has 80. Difference = 50. Give half: 50 / 2 = 25 books.",
      "hints": ["Find the difference between John's and Bala's books.", "Give away half the difference to make them equal."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q5",
      "image_needed": true,
      "image_page": 6,
      "image_loc": "upper-middle of page, vertical bar graph 'Books that four children have' (Li Wei, John, Bala, Alice)",
      "image_options": false,
      "image_file": "q5.png",
      "notes": "Answer key: 25. John 130, Bala 80."
    },
    {
      "n": 6,
      "type_id": 0,
      "question": "The bar graph shows the number of tickets sold by the Primary 3 classes for a school event. The tickets were sold for $4 each. a) Which class sold the most number of tickets? b) How much money did the class in part (a) collect in total?",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 104,
      "difficulty_id": 2,
      "explanation": "a) 3B sold the most (about 580 tickets). b) 580 x $4 = $2320.",
      "hints": ["Find the tallest bar for part (a).", "Multiply the number of tickets by $4 for part (b)."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q6",
      "image_needed": true,
      "image_page": 7,
      "image_loc": "upper-middle of page, vertical bar graph 'Number of tickets sold' (3A, 3B, 3C, 3D)",
      "image_options": false,
      "image_file": "q6.png",
      "notes": "Two-part question with a categorical answer (a: 3B) plus a dollar amount (b: $2320). type_id 0 because part (a) is a class name and part (b) is a value; can't cleanly be one FIB sequence. Answer key: a) 3B, b) $2320 (580 x 4)."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "Mr Tan used a 150-cm string to tie a box. He used another string that was 3 times as long to tie a bigger box. What was the total length of both strings used in centimetres? [?]",
      "answer0": "600",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "Second string = 3 x 150 = 450 cm. Total = 150 + 450 = 600 cm. (Key: 150 x 4 = 600.)",
      "hints": ["The two strings together are 1 + 3 = 4 times 150 cm.", "150 x 4 = 600."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q7",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 150 x 4 = 600 cm. Answer unit is cm."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "Express 9/12 in its simplest form. [?]",
      "answer0": "3/4",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 78,
      "difficulty_id": 1,
      "explanation": "Divide numerator and denominator by 3: 9/12 = 3/4.",
      "hints": ["Find a common factor of 9 and 12.", "Divide both by 3."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q8",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 3/4."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "What fraction of the figure is shaded? Give your answer in the simplest form. [?]",
      "answer0": "4/9",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 78,
      "difficulty_id": 2,
      "explanation": "Counting the shaded parts of the figure and simplifying gives 4/9 (per answer key).",
      "hints": ["Count the total equal parts.", "Count the shaded parts, then simplify."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q9",
      "image_needed": true,
      "image_page": 9,
      "image_loc": "below the question near top of page, rectangular grid figure with diagonal shaded regions",
      "image_options": false,
      "image_file": "q9.png",
      "notes": "Answer key value is handwritten/messy; read as 4/9. Figure-dependent - verify against the cropped figure when shading is clear."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "Find the value of 6/10 - 1/5. Give your answer in the simplest form. [?]",
      "answer0": "2/5",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 81,
      "difficulty_id": 2,
      "explanation": "1/5 = 2/10, so 6/10 - 2/10 = 4/10 = 2/5.",
      "hints": ["Make the denominators the same: 1/5 = 2/10.", "Subtract, then simplify 4/10."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q10",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key implies 4/10 = 2/5 (simplest form requested)."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Find the value of 1/3 + 1/12. Give your answer in the simplest form. [?]",
      "answer0": "5/12",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 81,
      "difficulty_id": 2,
      "explanation": "1/3 = 4/12, so 4/12 + 1/12 = 5/12.",
      "hints": ["Make the denominators the same: 1/3 = 4/12.", "Add the numerators."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q11",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 4/12 + 1/12 = 5/12."
    },
    {
      "n": 12,
      "type_id": 0,
      "question": "The bank is open from 8.30 a.m. to 5.30 p.m. a) How much time did Sam spend at the bank? b) Who spent a longer time at the bank?",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 92,
      "difficulty_id": 2,
      "explanation": "a) Sam's In and Out clocks differ by 30 min. b) Maya spent the longer time (her clock difference is greater).",
      "hints": ["Read Sam's In and Out clock times.", "Compare Sam's duration with Maya's."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q12",
      "image_needed": true,
      "image_page": 10,
      "image_loc": "table near top of page with In/Out analogue clocks for Sam and Maya",
      "image_options": false,
      "image_file": "q12.png",
      "notes": "Two parts: a) duration 30 min, b) name 'Maya'. type_id 0 (mixed value + name answer, figure-dependent clock reading). Answer key: a) 30 min, b) Maya."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Mary poured 7 bottles of apple juice into a container. Each bottle contains 850 ml of apple juice. Given the container has a capacity of 6000 ml, how much more apple juice would be needed to fill the container completely? [?]",
      "answer0": "50",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 87,
      "difficulty_id": 2,
      "explanation": "7 x 850 = 5950 ml poured. 6000 - 5950 = 50 ml needed.",
      "hints": ["Find the total juice poured: 7 x 850.", "Subtract from the 6000 ml capacity."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q13",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 850 x 7 = 5950; 6000 - 5950 = 50 ml. Answer unit is ml."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "Ben took 1h 50 min to walk from his house to the park. He reached the park at 9.10 a.m. What time did he leave his house? [?]",
      "answer0": "7.20",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 92,
      "difficulty_id": 2,
      "explanation": "9.10 a.m. minus 1 h 50 min = 7.20 a.m. (9.10 - 1 h = 8.10; 8.10 - 50 min = 7.20).",
      "hints": ["Subtract the duration from the arrival time.", "Work backwards by hours then minutes."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q14",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 7.20 a.m. Answer unit is a.m."
    },
    {
      "n": 15,
      "type_id": 2,
      "question": "The total mass of a basket and some watermelons is 145 kg. The mass of the empty basket is 6 kg. Ahmad sold some of the watermelons and had 26 kg of the watermelon left. How many kilograms of the watermelons was sold? [?]",
      "answer0": "113",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 87,
      "difficulty_id": 2,
      "explanation": "Watermelons at first = 145 - 6 = 139 kg. Sold = 139 - 26 = 113 kg.",
      "hints": ["Subtract the basket's mass to find the watermelons' mass.", "Subtract the 26 kg left from the total watermelons."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q15",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 145 - 6 = 139; 139 - 26 = 113 kg."
    },
    {
      "n": 16,
      "type_id": 0,
      "question": "There are some trees planted in a row along a park. Each tree is placed 7 m apart. a) What is the distance between the first and third tree? b) There are 18 trees altogether. What is the total distance between the first and last tree?",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "a) First to third tree = 2 gaps = 7 + 7 = 14 m. b) 18 trees have 17 gaps; 17 x 7 = 119 m.",
      "hints": ["Count the gaps between trees, not the trees.", "18 trees give 18 - 1 = 17 gaps; multiply by 7 m."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q16",
      "image_needed": true,
      "image_page": 13,
      "image_loc": "below the question stem near top, row of trees diagram labelled 1st, 2nd, 3rd ... Last with 7 m gaps",
      "image_options": false,
      "image_file": "q16.png",
      "notes": "Two-part word problem (a: 14 m, b: 119 m). type_id 0 (two distinct values). Answer key: a) 7+7=14 m, b) 17 gaps x 7 = 119 m."
    },
    {
      "n": 17,
      "type_id": 0,
      "question": "Tim saved $300. Raja saved $70 less than Tim. Kassim saved 6 times as much money as Tim. a) How much money did Raja save? b) How much money did the three boys save altogether?",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "a) Raja = 300 - 70 = $230. b) Kassim = 300 x 6 = $1800. Total = 1800 + 300 + 230 = $2330.",
      "hints": ["Raja saved $70 less than Tim's $300.", "Add Tim, Raja and Kassim (6 x Tim) together for part (b)."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q17",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Two-part word problem (a: $230, b: $2330). type_id 0 (two distinct dollar values). Answer key: a) 300-70=230, b) Kassim 1800; 1800+300+230=2330."
    },
    {
      "n": 18,
      "type_id": 0,
      "question": "Xi Peng and Kim had 100 stickers. After Xi Peng gave Kim 15 stickers, Xi Peng had 4 times as many stickers as Kim. a) How many stickers did Kim have now? b) How many stickers did Xi Peng have at first?",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 3,
      "explanation": "After the transfer the total is still 100, split as 5 units (Xi Peng 4 units, Kim 1 unit). 1 unit = 100 / 5 = 20, so a) Kim has 20 now. Xi Peng now has 80; at first he had 80 + 15 = 95 (he gave away 15). b) 95 stickers.",
      "hints": ["The total of 100 stays the same after the transfer.", "Xi Peng = 4 units, Kim = 1 unit, so 5 units = 100; then add back the 15 Xi Peng gave away."],
      "source": "Rosyth 2022 P3 Weighted Assessment 2 Q18",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Two-part word problem (a: 20 stickers, b: 95 stickers). type_id 0 (two distinct values). Answer key: a) 5 units=100, Kim=20; b) 20x4=80 (Xi Peng now), at first 80+15=95."
    }
  ]
}