{
  "paper": {
    "school": "Ai Tong",
    "year": 2025,
    "level": "P3",
    "label": "Weighted Assessment 1",
    "source_prefix": "Ai Tong 2025 P3 Weighted Assessment 1",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 2,
      "question": "Write five thousand, eight hundred and nine in numerals.\n[?]",
      "answer0": "5809",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 67,
      "difficulty_id": 1,
      "explanation": "Five thousand = 5000, eight hundred = 800, nine = 9. Combine: 5000 + 800 + 9 = 5809.",
      "hints": ["Break the number into thousands, hundreds, tens and ones.", "There are no tens, so write 0 in the tens place: 5 8 0 9."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 5 809."
    },
    {
      "n": 2,
      "type_id": 2,
      "question": "What is the value of the digit 6 in 6315?\n[?]",
      "answer0": "6000",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 66,
      "difficulty_id": 1,
      "explanation": "In 6315 the digit 6 is in the thousands place, so its value is 6 x 1000 = 6000.",
      "hints": ["Identify which place the digit 6 sits in.", "It is in the thousands column."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 6 000."
    },
    {
      "n": 3,
      "type_id": 2,
      "question": "Write 750¢ in dollars.\n$[?]",
      "answer0": "7.50",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 82,
      "difficulty_id": 1,
      "explanation": "100¢ = $1, so divide by 100: 750¢ ÷ 100 = $7.50.",
      "hints": ["Every 100 cents make 1 dollar.", "Move the decimal point two places: 750 -> 7.50."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q3",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: $7.50."
    },
    {
      "n": 4,
      "type_id": 2,
      "question": "Count and write the amount of money.\n$[?]",
      "answer0": "72.80",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 82,
      "difficulty_id": 2,
      "explanation": "Notes: $50 + $10 + $10 = $70. Coins: $1 + $1 + 50¢ + 10¢ + 10¢ + 10¢ + 50¢ = $2.80 (figure shows two $1 coins, three 10¢ coins and two 50¢ coins). Total $70 + $2.80 = $72.80.",
      "hints": ["Add the notes first, then the coins.", "Convert all cents to dollars before adding."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q4.png",
      "image_page": 2,
      "image_bbox": [0.20, 0.38, 0.86, 0.62],
      "image_loc": "boxed collection of notes and coins below the question",
      "notes": "Answer key: $72.80. Figure shows a $50, two $10 notes and a set of coins ($1, $1, 50c, 50c, 10c, 10c, 10c) totalling $72.80."
    },
    {
      "n": 5,
      "type_id": 2,
      "question": "What is the missing number in the box?\n6795 = 6000 + [?] + 90 + 5",
      "answer0": "700",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 66,
      "difficulty_id": 2,
      "explanation": "Expanded form: 6795 = 6000 + 700 + 90 + 5. The missing value is the hundreds part, 700.",
      "hints": ["Write 6795 in expanded form by place value.", "Thousands 6000, hundreds ?, tens 90, ones 5."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 700."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "10 less than 372 is [?].",
      "answer0": "362",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 69,
      "difficulty_id": 1,
      "explanation": "10 less means subtract 10: 372 - 10 = 362.",
      "hints": ["'10 less' tells you to subtract 10.", "372 - 10 = 362."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q6",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Q6 has two parts; part (a) 'Circle the odd number' (answer 473) is an interactive circle task with no app type and is dropped. This row keeps the servable FIB part (b): 10 less than 372 = 362. Answer key: a) 473, b) 362."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "Write the missing amount that makes $100.\n$53.40 + $[?] = $100",
      "answer0": "46.60",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "Subtract from $100: $100.00 - $53.40 = $46.60.",
      "hints": ["The two amounts must add up to $100.", "$100.00 - $53.40 = $46.60."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q7",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 100 - 53.40 = $46.60."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "Compare the numbers using '<' or '>'.\n(a) 4050 [?] 4005\n(b) 8430 [?] 8340",
      "answer0": ">",
      "answer1": ">",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 68,
      "difficulty_id": 1,
      "explanation": "(a) 4050 and 4005 share thousands and hundreds; compare tens: 5 tens > 0 tens, so 4050 > 4005. (b) 8430 and 8340 share thousands; compare hundreds: 4 > 3, so 8430 > 8340.",
      "hints": ["Compare digits from the largest place value first.", "The '>' sign points to the smaller number."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q8",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Two symbolic blanks (a) and (b). Answer key: a) > , b) >. Symbol answers kept as FIB (symbolic allowed)."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "Study the number pattern. What is the missing number?\n1754, 1854, 1954, [?], 2154",
      "answer0": "2054",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 69,
      "difficulty_id": 1,
      "explanation": "The numbers increase by 100 each step: 1754, 1854, 1954, ... So the missing term is 1954 + 100 = 2054 (and 2054 + 100 = 2154 confirms).",
      "hints": ["Find the difference between consecutive numbers.", "Each term is 100 more than the one before."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 2 054."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "Joshua bakes 9 cookies each day. How many cookies will he bake in 7 days?\n[?]",
      "answer0": "63",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 1,
      "explanation": "Multiply cookies per day by number of days: 9 x 7 = 63 cookies.",
      "hints": ["Same amount each day means multiply.", "9 x 7 = 63."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q10",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 9 x 7 = 63."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Arrange the numbers in decreasing order.\n3937   3793   7393\n[?], [?], [?]",
      "answer0": "7393",
      "answer1": "3937",
      "answer2": "3793",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 68,
      "difficulty_id": 2,
      "explanation": "Decreasing order = largest to smallest. Compare: 7393 (7 thousands) is largest. Then 3937 vs 3793 share 3 thousands; compare hundreds 9 > 7, so 3937 > 3793. Order: 7393, 3937, 3793.",
      "hints": ["Decreasing means largest first.", "Compare the thousands digit, then the hundreds digit."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q11",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Ordering task as 3-blank FIB. Answer key: 7 393, 3 937, 3 793."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "The sum of 2 numbers is 320. One of the numbers is 56. What is the other number?\n[?]",
      "answer0": "264",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 71,
      "difficulty_id": 1,
      "explanation": "Subtract the known number from the sum: 320 - 56 = 264.",
      "hints": ["The two numbers add up to the sum.", "320 - 56 = 264."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q12",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 320 - 56 = 264."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "On Monday, Devi sold a total of 42 cupcakes. She sold the cupcakes in boxes of 6.\n(a) How many boxes of cupcakes did she sell?\n(b) Every box was sold for $8. How much money did Devi collect?\n(a) [?]\n(b) $[?]",
      "answer0": "7",
      "answer1": "56",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "(a) Number of boxes = 42 ÷ 6 = 7 boxes. (b) Money collected = 7 boxes x $8 = $56.",
      "hints": ["(a) Divide the total cupcakes by the box size.", "(b) Multiply the number of boxes by the price per box."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q13",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Two-part word problem as 2-blank FIB. Answer key: a) 42 ÷ 6 = 7, b) 8 x 7 = 56 ($56)."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "Rope A is 72 m long. It is 8 times as long as Rope B. What is the total length of Rope A and B?\n[?] m",
      "answer0": "81",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "Rope B = 72 ÷ 8 = 9 m. Total = Rope A + Rope B = 72 + 9 = 81 m.",
      "hints": ["'8 times as long' means Rope A = 8 x Rope B, so divide to find Rope B.", "Add both rope lengths for the total."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q14",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer in metres. Answer key: 72 ÷ 8 = 9; 72 + 9 = 81 m."
    },
    {
      "n": 15,
      "type_id": 2,
      "question": "Chloe bought a dress for $38.40 and a T-shirt for $24.50.\n(a) How much did she spend in total?\n(b) How much more does the dress cost than the T-shirt?\n(a) $[?]\n(b) $[?]",
      "answer0": "62.90",
      "answer1": "13.90",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "(a) Total spent = $38.40 + $24.50 = $62.90. (b) Difference = $38.40 - $24.50 = $13.90.",
      "hints": ["(a) 'In total' means add the two prices.", "(b) 'How much more' means subtract the smaller price from the larger."],
      "source": "Ai Tong 2025 P3 Weighted Assessment 1 Q15",
      "image_needed": true,
      "image_options": false,
      "image_file": "q15.png",
      "image_page": 9,
      "image_bbox": [0.56, 0.14, 0.92, 0.30],
      "image_loc": "dress and T-shirt price tags on the right side of the question",
      "notes": "Figure is decorative price tags ($38.40 dress, $24.50 T-shirt) restating prices in the stem. Two-part money FIB. Answer key: a) 38.40 + 24.50 = $62.90, b) 38.40 - 24.50 = $13.90."
    }
  ]
}