{
  "paper": {
    "school": "Pei Chun",
    "year": 2022,
    "level": "P3",
    "label": "Weighted Assessment 2",
    "source_prefix": "Pei Chun 2022 P3 Weighted Assessment 2",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 2,
      "question": "What is the product of 8 and 13?",
      "answer0": "104",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 75,
      "difficulty_id": 1,
      "explanation": "8 × 13 = 104.",
      "hints": ["\"Product\" means multiply.", "8 × 13 = 8 × 10 + 8 × 3 = 80 + 24 = 104."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 8×13=104."
    },
    {
      "n": 2,
      "type_id": 2,
      "question": "What is the quotient when 749 is divided by 7?",
      "answer0": "107",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 75,
      "difficulty_id": 1,
      "explanation": "749 ÷ 7 = 107.",
      "hints": ["\"Quotient\" is the result of division.", "7 goes into 749 exactly 107 times."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 749÷7=107."
    },
    {
      "n": 3,
      "type_id": 2,
      "question": "Count and write down the total amount shown. $[?]",
      "answer0": "2.45",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 82,
      "difficulty_id": 2,
      "explanation": "Adding the coins shown gives a total of $2.45.",
      "hints": ["Add the value of each coin.", "Write the total in dollars and cents."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q3",
      "image_needed": true,
      "image_page": 3,
      "image_loc": "below the question, two rows of coins",
      "image_options": false,
      "image_file": "q3.png",
      "notes": "Key: $2.45. Coins must be shown to count; figure required."
    },
    {
      "n": 4,
      "type_id": 2,
      "question": "What is the amount needed to make $10? $7.85 and $[?]",
      "answer0": "2.15",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "$10 − $7.85 = $2.15.",
      "hints": ["The two amounts must add up to $10.", "Subtract $7.85 from $10."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q4",
      "image_needed": true,
      "image_page": 3,
      "image_loc": "lower half of page, a note splitting into boxes labelled $7.85 and $?",
      "image_options": false,
      "image_file": "q4.png",
      "notes": "Key: 10-7.85=$2.15. Figure shows a note with branches to $7.85 and $?."
    },
    {
      "n": 5,
      "type_id": 2,
      "question": "Write 615¢ in dollars. $[?]",
      "answer0": "6.15",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 82,
      "difficulty_id": 1,
      "explanation": "615¢ = $6.15 (100¢ = $1).",
      "hints": ["100 cents make 1 dollar.", "Divide 615 by 100 to get dollars."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: $6.15."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "$2.45 + 160¢ = $[?]",
      "answer0": "4.05",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 82,
      "difficulty_id": 2,
      "explanation": "160¢ = $1.60; $2.45 + $1.60 = $4.05.",
      "hints": ["Convert 160¢ to dollars first.", "$2.45 + $1.60 = $4.05."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q6",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 2.45+1.60=$4.05."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "Alice bought 34 trays of eggs. There were 5 eggs in each tray. How many eggs did she buy?",
      "answer0": "170",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "34 × 5 = 170 eggs.",
      "hints": ["Multiply trays by eggs per tray.", "34 × 5 = 170."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q7",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 34×5=170."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "Michael had 348 stickers. Sarah had 3 times as many stickers as Michael. How many stickers did they have altogether?",
      "answer0": "1392",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "Sarah: 348 × 3 = 1044. Altogether: 1044 + 348 = 1392.",
      "hints": ["First find Sarah's stickers: 348 × 3.", "Then add Michael's 348."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q8",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 348×3=1044; 1044+348=1392."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "Ali had 74 apples. He packed them into as many bags of 6 as possible. How many apples were left unpacked?",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 74,
      "difficulty_id": 2,
      "explanation": "74 ÷ 6 = 12 remainder 2, so 2 apples were left unpacked.",
      "hints": ["Divide 74 by 6 and look at the remainder.", "12 × 6 = 72, leaving 74 − 72 = 2."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 74÷6=12R2, answer 2."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "There were 4 times as many adults as children in a mall. After 132 adults and 9 children went home, there was an equal number of adults and children in the mall. How many children were in the mall at first?",
      "answer0": "41",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 3,
      "explanation": "Let children = c, adults = 4c. After: 4c − 132 = c − 9, so 3c = 123, c = 41.",
      "hints": ["Equal numbers remain after some leave.", "132 − 9 = 123 is the difference; 123 ÷ 3 = 41."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q10",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 132-9=123; 123÷3=41 children at first."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "In a school hall, chairs were arranged in 9 equal rows. Each row has 14 chairs. (a) How many chairs were there in the hall? (b) Sam rearranged all the chairs into 7 equal rows. How many chairs were there in each row?",
      "answer0": "126",
      "answer1": "18",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "(a) 14 × 9 = 126 chairs. (b) 126 ÷ 7 = 18 chairs per row.",
      "hints": ["(a) Multiply rows by chairs per row.", "(b) Divide the total by 7 rows."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q11",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: (a) 14×9=126; (b) 126÷7=18. Two blanks (a),(b)."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "Harry has $54.30. He wants to buy both the toy car ($31.95) and the toy aeroplane ($29.80). (a) What is the total cost of a toy car and a toy aeroplane? (b) How much more money does Harry need?",
      "answer0": "61.75",
      "answer1": "7.45",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "(a) $31.95 + $29.80 = $61.75. (b) $61.75 − $54.30 = $7.45.",
      "hints": ["(a) Add the two toy prices.", "(b) Subtract what Harry has from the total cost."],
      "source": "Pei Chun 2022 P3 Weighted Assessment 2 Q12",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: (a) 31.95+29.80=$61.75; (b) 61.75-54.30=$7.45. Prices given in text; toy images decorative, not load-bearing. Two blanks (a),(b)."
    }
  ]
}