{
  "paper": {
    "school": "Tao Nan",
    "year": 2025,
    "level": "P3",
    "label": "Weighted Assessment 1",
    "source_prefix": "Tao Nan 2025 P3 Weighted Assessment 1",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "Write 9048 in words.",
      "answer0": "Nine thousand and forty-eight",
      "answer1": "Nine thousand and four hundred eight",
      "answer2": "Ninety thousand and forty-eight",
      "answer3": "Nine thousand and forty-eighty",
      "correct_answer": 0,
      "skill_id": 67,
      "difficulty_id": 1,
      "explanation": "9048 = 9 thousands, 0 hundreds, 4 tens, 8 ones. In words: nine thousand and forty-eight.",
      "hints": ["Break into thousands, hundreds, tens, ones.", "9 thousands and 48 (forty-eight)."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Word answer -> MCQ per spec (exact-match text FIB is fragile). Key: Nine thousand and forty eight."
    },
    {
      "n": 2,
      "type_id": 2,
      "question": "Arrange these numbers from the smallest to the greatest.\n3405, 3045, 3450, 3504\n[?], [?], [?], [?]",
      "answer0": "3045",
      "answer1": "3405",
      "answer2": "3450",
      "answer3": "3504",
      "correct_answer": null,
      "skill_id": 68,
      "difficulty_id": 2,
      "explanation": "Compare by place value (all are 3 thousands). Order the hundreds/tens: 3045 < 3405 < 3450 < 3504.",
      "hints": ["All start with 3 thousands; compare the hundreds digit next.", "Smallest hundreds first: 0, then 4, 4, 5."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Ordering task -> FIB, one blank per position smallest to greatest. Key: 3045, 3405, 3450, 3504."
    },
    {
      "n": 3,
      "type_id": 2,
      "question": "Find the missing number.\n1037, [?], 837, 737, 637",
      "answer0": "937",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 69,
      "difficulty_id": 1,
      "explanation": "The pattern decreases by 100 each step: 1037, 937, 837, 737, 637. Missing number = 1037 - 100 = 937.",
      "hints": ["Look at the difference between 837 and 737.", "The numbers go down by 100 each time."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q3",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 937."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "Item A costs $48.90, Item B costs $90.80, Item C costs $89.40. Which item is the most expensive?",
      "answer0": "Item A",
      "answer1": "Item B",
      "answer2": "Item C",
      "answer3": "They cost the same",
      "correct_answer": 1,
      "skill_id": 83,
      "difficulty_id": 1,
      "explanation": "Compare the prices: $90.80 > $89.40 > $48.90. The greatest is $90.80, which is Item B.",
      "hints": ["Compare the dollar amounts first.", "$90 is more than $89 and $48."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q4.png",
      "image_page": 3,
      "image_bbox": [0.2, 0.13, 0.82, 0.29],
      "image_loc": "top of page: three boxed item pictures (toy/robot/tank) each with a price tag below",
      "notes": "Prices given as text labels. Key: Item B."
    },
    {
      "n": 5,
      "type_id": 2,
      "question": "5396 = 5000 + [?] tens + 90 + 6",
      "answer0": "30",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 66,
      "difficulty_id": 2,
      "explanation": "5396 = 5000 + 300 + 90 + 6. The hundreds, 300, equals 30 tens. So the blank is 30.",
      "hints": ["The 3 in the hundreds place is worth 300.", "300 = how many tens? 300 / 10 = 30."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer is the number of tens, not 300. Key: 30."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "Count and write the total amount of money.\n$[?]",
      "answer0": "205.90",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 82,
      "difficulty_id": 2,
      "explanation": "Three $50 notes = $150; four $10 notes = $40; three $5 notes = $15; three 10c coins + one 50c coin = $0.90. Total = $150 + $40 + $15 + $0.90 = $205.90.",
      "hints": ["Group same notes/coins and add: $50s, $10s, $5s, then the coins.", "$150 + $40 + $15 = $205, plus 90 cents."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": "q6.png",
      "image_page": 3,
      "image_bbox": [0.18, 0.55, 0.86, 0.72],
      "image_loc": "middle of page: spread of $50/$10/$5 notes and a row of coins",
      "notes": "Count to verify: 3x$50, 4x$10, 3x$5, coins totalling $0.90. Key: $205.90."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "The clock shows the time when Mrs Lee started preparing lunch. What time did she start preparing lunch?\n[?] a.m.",
      "answer0": "11.00",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 88,
      "difficulty_id": 1,
      "explanation": "The hour hand points to 11 and the minute hand points to 12, so the time is 11.00 a.m.",
      "hints": ["The minute hand at 12 means o'clock.", "The hour hand is on 11."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q7",
      "image_needed": true,
      "image_options": false,
      "image_file": "q7.png",
      "image_page": 4,
      "image_bbox": [0.3, 0.2, 0.52, 0.34],
      "image_loc": "upper-left/centre: analogue clock face showing 11 o'clock",
      "notes": "Answer line ends in 'a.m.'. Key: 11am."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "How many minutes are there in 2h 20 min?\n[?] min",
      "answer0": "140",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 91,
      "difficulty_id": 1,
      "explanation": "1 hour = 60 min, so 2 hours = 2 x 60 = 120 min. Add the 20 min: 120 + 20 = 140 min.",
      "hints": ["1 hour = 60 minutes.", "2 x 60 = 120, then add 20."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q8",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 60 x 2 + 20 = 140."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "Aini packed a total of 56 apples into some bags. There were 7 apples in each bag. How many bags were there?\n[?]",
      "answer0": "8",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 73,
      "difficulty_id": 1,
      "explanation": "Total apples divided by apples per bag: 56 / 7 = 8 bags.",
      "hints": ["Divide the total by the number in each bag.", "56 / 7 = ?"],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 56 / 7 = 8."
    },
    {
      "n": 10,
      "type_id": 1,
      "question": "Jim and Priya spent $42.40 on lunch together. Jim ordered Pasta ($16.90). Burger costs $19.50, Pizza costs $25.50, Fish and Chips costs $22.10. Which item did Priya order?",
      "answer0": "Burger",
      "answer1": "Pasta",
      "answer2": "Pizza",
      "answer3": "Fish and Chips",
      "correct_answer": 2,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "Priya's item = total - Jim's pasta = $42.40 - $16.90 = $25.50. That price matches Pizza.",
      "hints": ["Subtract the pasta price from the total to find Priya's spend.", "$42.40 - $16.90 = $25.50."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q10",
      "image_needed": true,
      "image_options": false,
      "image_file": "q10.png",
      "image_page": 5,
      "image_bbox": [0.18, 0.25, 0.9, 0.42],
      "image_loc": "upper-middle: four food pictures (burger, pasta, pizza, fish and chips) each with a labelled price box",
      "notes": "Prices are text labels. Key: $42.40 - $16.90 = $25.50 (Pizza)."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Miss Chan spent $98.90 on a pair of shoes. She spent $43.70 on a dress. How much more did she spend on the pair of shoes than on the dress?\n$[?]",
      "answer0": "55.20",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "Find the difference: $98.90 - $43.70 = $55.20.",
      "hints": ["'How much more' means subtract.", "$98.90 - $43.70 = ?"],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q11",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: $98.90 - $43.70 = $55.20."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "Rishi watched a movie from 2.50 p.m. to 4.25 p.m. How long was the movie in hours and minutes?\n[?] h [?] min",
      "answer0": "1",
      "answer1": "35",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 92,
      "difficulty_id": 2,
      "explanation": "From 2.50 p.m. to 3.50 p.m. is 1 hour. From 3.50 p.m. to 4.25 p.m. is 35 min. Total = 1 h 35 min.",
      "hints": ["Count on by 1 hour first to 3.50 p.m.", "Then count the minutes from 3.50 to 4.25."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q12",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Two blanks (hours, minutes). Key: 1h 35mins."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Tom made 1374 ham sandwiches. He made 235 more ham sandwiches than tuna sandwiches. How many sandwiches did he make altogether?\n[?]",
      "answer0": "2513",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 71,
      "difficulty_id": 2,
      "explanation": "Tuna = 1374 - 235 = 1139. Altogether = ham + tuna = 1374 + 1139 = 2513. (Equivalently 1374 x 2 - 235 = 2513.)",
      "hints": ["Find the tuna sandwiches first: 1374 - 235.", "Add ham and tuna together."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q13",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 1374 x 2 - 235 = 2513."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "Ali, Bala and Cai Li collected some cards. Ali collected 3 cards. Bala collected 6 times as many cards as Ali. Cai Li collected 5 fewer cards than Bala. How many cards did they collect altogether?\n[?]",
      "answer0": "34",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 3,
      "explanation": "Ali = 3. Bala = 6 x 3 = 18. Cai Li = 18 - 5 = 13. Total = 3 + 18 + 13 = 34.",
      "hints": ["Bala = 6 times Ali's 3 cards.", "Cai Li is 5 fewer than Bala; then add all three."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q14",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: Ali 3, Bala 18, Cai Li 13, Total 34."
    },
    {
      "n": 15,
      "type_id": 2,
      "question": "Lee Ying is 6 years younger than Malik. How old will Malik be when the sum of their ages is 54 years?\n[?]",
      "answer0": "30",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 71,
      "difficulty_id": 3,
      "explanation": "Remove the 6-year difference from the total: 54 - 6 = 48 is twice Lee Ying's age, so Lee Ying = 48 / 2 = 24. Malik is 6 years older: 24 + 6 = 30.",
      "hints": ["Take away the 6-year gap from 54, then split equally.", "Lee Ying = (54-6)/2 = 24; Malik is 6 older."],
      "source": "Tao Nan 2025 P3 Weighted Assessment 1 Q15",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key working gives 54-6=48, 48/2=24 (Lee Ying's age). Question asks for MALIK, who is 6 older = 30. Answer corrected to 30."
    }
  ]
}