{
  "paper": {
    "school": "Tao Nan",
    "year": 2022,
    "level": "P3",
    "label": "Weighted Assessment 1",
    "source_prefix": "Tao Nan 2022 P3 Weighted Assessment 1",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 2,
      "question": "What digit does the star represent? [?]",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 70,
      "difficulty_id": 2,
      "explanation": "In the tens column the star plus 2 (with the carry-over) must end in 2, so 5 - 1 (carry) - 2 = 2. The star digit is 2.",
      "hints": ["Look at the tens column of the addition.", "Account for any carry-over from the ones column."],
      "source": "Tao Nan 2022 P3 Weighted Assessment 1 Q1",
      "image_needed": true,
      "image_page": 3,
      "image_loc": "upper third of page, vertical column addition (1294 + 6231 = 7525) with a star symbol in the tens place",
      "image_options": false,
      "image_file": "q1.png",
      "notes": "Answer key: 5-1-2=2, so star = 2. Vertical addition layout must be shown as a figure."
    },
    {
      "n": 2,
      "type_id": 2,
      "question": "Arrange the fractions from the smallest to the greatest.\n3/9 , 1/9 , 4/9\n[?] , [?] , [?]",
      "answer0": "1/9",
      "answer1": "3/9",
      "answer2": "4/9",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 79,
      "difficulty_id": 1,
      "explanation": "Same denominator (9), so order by numerator: 1 < 3 < 4. Smallest to greatest: 1/9, 3/9, 4/9.",
      "hints": ["The denominators are all 9.", "When denominators are equal, compare the numerators."],
      "source": "Tao Nan 2022 P3 Weighted Assessment 1 Q2",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 1/9, 3/9, 4/9. Ordering task rendered as FIB, one blank per position."
    },
    {
      "n": 3,
      "type_id": 0,
      "question": "Draw the missing hands on the clock to show 9.30.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 88,
      "difficulty_id": 1,
      "explanation": "At 9.30 the hour hand is halfway between 9 and 10 and the minute hand points to 6.",
      "hints": ["The minute hand shows 30 minutes (points to 6).", "The hour hand is halfway between 9 and 10."],
      "source": "Tao Nan 2022 P3 Weighted Assessment 1 Q3",
      "image_needed": true,
      "image_page": 4,
      "image_loc": "upper half of page, blank circular clock face (numerals 1-12, no hands)",
      "image_options": false,
      "image_file": "q3.png",
      "notes": "Interactive draw-on-clock task; no app question type, set type_id 0 (skipped on insert). Answer key shows hour hand between 9 and 10, minute hand on 6."
    },
    {
      "n": 4,
      "type_id": 2,
      "question": "The bottle of milk contains [?] ℓ of milk.",
      "answer0": "3",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 84,
      "difficulty_id": 2,
      "explanation": "2 cups = 1 ℓ. The bottle holds 6 cups, so 6 ÷ 2 = 3, giving 3 ℓ of milk.",
      "hints": ["First find how many cups fill 1 ℓ.", "Then see how many litres 6 cups make."],
      "source": "Tao Nan 2022 P3 Weighted Assessment 1 Q4",
      "image_needed": true,
      "image_page": 4,
      "image_loc": "lower half of page, picture of 2 cups equal 1 litre, and 6 cups equal a milk bottle",
      "image_options": false,
      "image_file": "q4.png",
      "notes": "Answer key: 6÷2=3, 3×1=3 ℓ. Answer 3 (litres)."
    },
    {
      "n": 5,
      "type_id": 0,
      "question": "Colour the quarter circles in the figure.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 59,
      "difficulty_id": 1,
      "explanation": "The figure is made of a square, a triangle, a small circle and two quarter-circles forming the lower half. Colour the two quarter-circle pieces.",
      "hints": ["A quarter circle is one quarter of a full circle.", "Look at the rounded pieces at the bottom of the figure."],
      "source": "Tao Nan 2022 P3 Weighted Assessment 1 Q5",
      "image_needed": true,
      "image_page": 5,
      "image_loc": "upper-middle of page, bird-like composite figure (square + triangle + small circle + two quarter circles)",
      "image_options": false,
      "image_file": "q5.png",
      "notes": "Interactive colour task; no app question type, set type_id 0 (skipped on insert). Answer key: the two quarter circles (lower half) are shaded."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "There are 20 apples and bananas altogether.\nThere are 4 times as many apples as bananas.\nHow many bananas are there?\nThere are [?] bananas.",
      "answer0": "4",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "Bananas = 1 unit, apples = 4 units, total = 5 units = 20. So 1 unit = 20 ÷ 5 = 4 bananas.",
      "hints": ["Let the number of bananas be 1 unit.", "Apples are 4 units, so the total is 5 units."],
      "source": "Tao Nan 2022 P3 Weighted Assessment 1 Q6",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 20÷5=4. Answer 4 bananas."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "A pair of socks costs $8.\nA shirt costs $20 more than a pair of socks.\nHow much does 2 such shirts cost?\nThe 2 shirts cost $[?].",
      "answer0": "56",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "One shirt = $8 + $20 = $28. Two shirts = $28 + $28 = $56.",
      "hints": ["First find the cost of one shirt.", "Then double it for two shirts."],
      "source": "Tao Nan 2022 P3 Weighted Assessment 1 Q7",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 20+8=28, 28+28=56. Answer $56."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "Sam is 170 cm tall.\nBetty is 12 cm shorter than Sam.\nDaniel is 6 cm taller than Betty.\nWhat is Daniel's height?\nDaniel is [?] cm tall.",
      "answer0": "164",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 87,
      "difficulty_id": 2,
      "explanation": "Betty = 170 - 12 = 158 cm. Daniel = 158 + 6 = 164 cm.",
      "hints": ["First find Betty's height.", "Then add 6 cm for Daniel."],
      "source": "Tao Nan 2022 P3 Weighted Assessment 1 Q8",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 170-12=158, 158+6=164. Answer 164 cm."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "Kelly and Mandy had the same number of stamps. After Mandy gave Kelly 5 stamps, the number of stamps Kelly had became 30.\nHow many stamps did Kelly and Mandy have altogether at first?\nKelly and Mandy had [?] stamps altogether.",
      "answer0": "50",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "Kelly at first = 30 - 5 = 25 stamps. Mandy had the same, so total = 25 + 25 = 50 stamps.",
      "hints": ["Work backwards: take away the 5 Kelly received.", "They started equal, so double Kelly's original amount."],
      "source": "Tao Nan 2022 P3 Weighted Assessment 1 Q9",
      "image_needed": false,
      "image_page": null,
      "image_loc": null,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 30-5=25, 25+25=50. Answer 50 stamps."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "The picture graph shows the number of children at the library who borrowed books.\nEach of them borrowed only 1 book.\nEach heart stands for 3 children.\nThere were 50 children who visited the library.\nHow many children did not borrow any books?\n[?] children did not borrow any books.",
      "answer0": "20",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Comics 3, Fairy Tales 1, Fantasy 4, Non-fiction 2 = 10 hearts. 10 × 3 = 30 borrowed. 50 - 30 = 20 did not borrow.",
      "hints": ["Count the hearts and multiply by 3 to get borrowers.", "Subtract borrowers from 50 visitors."],
      "source": "Tao Nan 2022 P3 Weighted Assessment 1 Q10",
      "image_needed": true,
      "image_page": 8,
      "image_loc": "upper-middle of page, picture graph titled 'Books Borrowed by Children' (Comics 3, Fairy Tales 1, Fantasy 4, Non-fiction 2 hearts; each heart = 3 children)",
      "image_options": false,
      "image_file": "q10.png",
      "notes": "Answer key: 9+3+12+6=30, 50-30=20. Answer 20 children."
    }
  ]
}