{
  "paper": {
    "school": "Henry Park",
    "year": 2022,
    "level": "P1",
    "label": "Numbers",
    "source_prefix": "Henry Park 2022 P1 Numbers",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "How many pencils are there?",
      "answer0": "55",
      "answer1": "56",
      "answer2": "57",
      "answer3": "58",
      "correct_answer": 2,
      "skill_id": 1,
      "difficulty_id": 2,
      "explanation": "Count the pencils. There are 57 pencils.",
      "hints": ["Count along each row.", "Add the rows: 10 + 10 + 10 + 10 + 10 + 7 = 57."],
      "source": "Henry Park 2022 P1 Numbers Q1",
      "image_needed": true,
      "image_options": false,
      "image_file": "q1.png",
      "notes": "Count picture question. Answer key gives option (3) = 57, so the figure shows 57 pencils. Crop must show the whole array of pencils."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "43 = [?] tens 3 ones. What is the missing number?",
      "answer0": "30",
      "answer1": "40",
      "answer2": "3",
      "answer3": "4",
      "correct_answer": 3,
      "skill_id": 2,
      "difficulty_id": 1,
      "explanation": "43 = 4 tens 3 ones, so the missing number is 4.",
      "hints": ["The tens digit of 43 is 4.", "4 tens = 40, plus 3 ones = 43."],
      "source": "Henry Park 2022 P1 Numbers Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: (4) = 4."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "Which of the following is not the same as 78?",
      "answer0": "7 + 8",
      "answer1": "70 + 8",
      "answer2": "7 tens 8 ones",
      "answer3": "seventy-eight",
      "correct_answer": 0,
      "skill_id": 2,
      "difficulty_id": 2,
      "explanation": "7 + 8 = 15, which is not 78. The others all equal 78.",
      "hints": ["Work out the value of each option.", "70 + 8, 7 tens 8 ones, and seventy-eight all equal 78."],
      "source": "Henry Park 2022 P1 Numbers Q3",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: (1) = '7 + 8'."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "64 + 19 = [?]. What is the missing number?",
      "answer0": "54",
      "answer1": "55",
      "answer2": "73",
      "answer3": "83",
      "correct_answer": 3,
      "skill_id": 13,
      "difficulty_id": 1,
      "explanation": "64 + 19 = 83.",
      "hints": ["Add the ones: 4 + 9 = 13, write 3 carry 1.", "Add the tens: 6 + 1 + 1 = 8, so 83."],
      "source": "Henry Park 2022 P1 Numbers Q4",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: (4) = 83."
    },
    {
      "n": 5,
      "type_id": 1,
      "question": "59 - 12 = [?]. What is the answer?",
      "answer0": "47",
      "answer1": "61",
      "answer2": "67",
      "answer3": "71",
      "correct_answer": 0,
      "skill_id": 13,
      "difficulty_id": 1,
      "explanation": "59 - 12 = 47.",
      "hints": ["Subtract the ones: 9 - 2 = 7.", "Subtract the tens: 5 - 1 = 4, so 47."],
      "source": "Henry Park 2022 P1 Numbers Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: (1) = 47."
    },
    {
      "n": 6,
      "type_id": 1,
      "question": "Write in numbers. eighty-nine",
      "answer0": "89",
      "answer1": "98",
      "answer2": "809",
      "answer3": "8009",
      "correct_answer": 0,
      "skill_id": 3,
      "difficulty_id": 1,
      "explanation": "eighty-nine = 89.",
      "hints": ["Eighty means 8 tens.", "8 tens 9 ones = 89."],
      "source": "Henry Park 2022 P1 Numbers Q6",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Originally a write-in-numbers fill-in (answer 89 per key). Converted to MCQ with distractors per spec (word/number answers fragile as text FIB)."
    },
    {
      "n": 7,
      "type_id": 1,
      "question": "Write in words. 95",
      "answer0": "ninety-five",
      "answer1": "ninety-nine",
      "answer2": "nineteen-five",
      "answer3": "fifty-nine",
      "correct_answer": 0,
      "skill_id": 3,
      "difficulty_id": 1,
      "explanation": "95 = ninety-five.",
      "hints": ["9 tens = ninety.", "ninety and five = ninety-five."],
      "source": "Henry Park 2022 P1 Numbers Q7",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Word-answer question. Answer key: 'Ninety-five'. Converted to MCQ per spec rule on word answers."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "5 tens 8 ones = [?] ones",
      "answer0": "58",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 2,
      "difficulty_id": 1,
      "explanation": "5 tens 8 ones = 50 + 8 = 58 ones.",
      "hints": ["5 tens = 50 ones.", "50 + 8 = 58."],
      "source": "Henry Park 2022 P1 Numbers Q8",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 58."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "There are [?] toys altogether.",
      "answer0": "16",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 1,
      "difficulty_id": 2,
      "explanation": "Add the Toy Robots, Toy Trains and Toy Trucks. There are 16 toys altogether.",
      "hints": ["Count each group of toys.", "Add the three groups together."],
      "source": "Henry Park 2022 P1 Numbers Q9",
      "image_needed": true,
      "image_options": false,
      "image_file": "q9.png",
      "notes": "Count picture question (3 groups: Toy Robots, Toy Trains, Toy Trucks). Answer key authoritatively states 16 toys altogether; my visual count of the rendered figure was ambiguous (looked closer to 17), so trusting the key = 16. Human should re-verify the group counts when recolouring. Crop must include all three labelled groups and their labels."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "Which is the greatest number? The answer is [?].",
      "answer0": "87",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 4,
      "difficulty_id": 1,
      "explanation": "Among 65, 87, 56, 78 the greatest is 87.",
      "hints": ["Compare the tens digits first.", "87 has the most tens."],
      "source": "Henry Park 2022 P1 Numbers Q10",
      "image_needed": true,
      "image_options": false,
      "image_file": "q10.png",
      "notes": "Refers to the shared number strip 65, 87, 56, 78 (also used by Q11). Answer key: 87. Crop shows the four-number row."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Arrange the numbers from the smallest to the greatest. [?], [?], [?], [?]",
      "answer0": "56",
      "answer1": "65",
      "answer2": "78",
      "answer3": "87",
      "correct_answer": null,
      "skill_id": 5,
      "difficulty_id": 2,
      "explanation": "Ordering 65, 87, 56, 78 from smallest to greatest gives 56, 65, 78, 87.",
      "hints": ["Find the smallest number first.", "Compare tens, then ones."],
      "source": "Henry Park 2022 P1 Numbers Q11",
      "image_needed": true,
      "image_options": false,
      "image_file": "q11.png",
      "notes": "Uses the same shared number strip 65, 87, 56, 78 as Q10. Answer key: 56, 65, 78, 87. Blanks fill smallest-to-greatest. Crop shows the four-number row."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "Jane and Lily baked 30 muffins altogether. Jane baked 12 muffins. How many muffins did Lily bake? Lily baked [?] muffins.",
      "answer0": "18",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 2,
      "explanation": "30 - 12 = 18. Lily baked 18 muffins.",
      "hints": ["Total muffins minus Jane's muffins.", "30 - 12 = 18."],
      "source": "Henry Park 2022 P1 Numbers Q12",
      "image_needed": true,
      "image_options": false,
      "image_file": "q12.png",
      "notes": "Picture shows 30 muffins (3 rows of 10), matching the 30 total. Answer key: Lily baked 18 muffins."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Complete the number pattern. 58, 59, [?], 62, 64, 65, 67",
      "answer0": "61",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 6,
      "difficulty_id": 2,
      "explanation": "The pattern goes 58, 59, then skips to 62 (the difference toggles); the missing number is 61. Sequence: 58, 59, 61, 62, 64, 65, 67 (add 1, add 2, add 1, add 2 ...).",
      "hints": ["Look at how much the numbers increase each step.", "After 59 the next is 61 (then 62, +1)."],
      "source": "Henry Park 2022 P1 Numbers Q13",
      "image_needed": true,
      "image_options": false,
      "image_file": "q13.png",
      "notes": "Number-pattern strip with one empty box (3rd position). Answer key: 61. The numbers can be conveyed as text in the stem, so image is optional; crop the boxed-number strip if a figure is wanted."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "(a) 5 more than 48 is [?]. (b) 55 is [?] less than 64.",
      "answer0": "53",
      "answer1": "9",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 2,
      "difficulty_id": 2,
      "explanation": "(a) 48 + 5 = 53. (b) 64 - 55 = 9.",
      "hints": ["'5 more than 48' means 48 + 5.", "'how much less' means 64 - 55."],
      "source": "Henry Park 2022 P1 Numbers Q14",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Two blanks. Answer key: a) 53, b) 9."
    },
    {
      "n": 15,
      "type_id": 2,
      "question": "Fill in the missing digits in the boxes. [?]7 + 3[?] = 90",
      "answer0": "5",
      "answer1": "3",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 14,
      "difficulty_id": 3,
      "explanation": "The vertical sum is _7 + 3_ = 90. 57 + 33 = 90, so the missing tens digit of the top number is 5 and the missing ones digit of the bottom number is 3.",
      "hints": ["Ones column: 7 + ? = 0 (with carry), so ? = 3.", "Tens column: ? + 3 + carry 1 = 9, so ? = 5. The sum is 57 + 33 = 90."],
      "source": "Henry Park 2022 P1 Numbers Q15",
      "image_needed": true,
      "image_options": false,
      "image_file": "q15.png",
      "notes": "Vertical column-addition with two missing digit boxes: top number _7, bottom number 3_, total 90. Answer key: 57 + 33 = 90 (missing digits 5 and 3). Blanks ordered top-tens then bottom-ones. Crop the vertical sum."
    },
    {
      "n": 16,
      "type_id": 0,
      "question": "Which two numbers are smaller than 85 but greater than 64? Circle them.",
      "answer0": "63",
      "answer1": "59",
      "answer2": "83",
      "answer3": "65",
      "correct_answer": null,
      "skill_id": 4,
      "difficulty_id": 2,
      "explanation": "Numbers between 64 and 85 (exclusive of being <=64 and >=85): from 63, 59, 83, 65, 86 the ones greater than 64 and smaller than 85 are 83 and 65.",
      "hints": ["The number must be more than 64 and less than 85.", "Check each: 63 (too small), 59 (too small), 83 (yes), 65 (yes), 86 (too big)."],
      "source": "Henry Park 2022 P1 Numbers Q16",
      "image_needed": true,
      "image_options": false,
      "image_file": "q16.png",
      "notes": "Non-standard 'circle them' format (type_id 0). Five boxed cards: 63, 59, 83, 65, 86. Answer key: circle 83 and 65. answer0-3 hold four of the five card values; full card set and required answers captured here. Crop shows all five cards."
    },
    {
      "n": 17,
      "type_id": 2,
      "question": "Look at the 4 number cards. Form the smallest number that is between 50 and 100 using only 2 number cards. Use each number card once only. The answer is [?].",
      "answer0": "61",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 5,
      "difficulty_id": 3,
      "explanation": "Cards are 4, 1, 9, 6. A 2-digit number between 50 and 100 needs a tens digit of 5-9. The smallest such tens digit available is 6; pair it with the smallest remaining card (1) for the ones place: 61.",
      "hints": ["The tens digit must make the number between 50 and 100.", "Smallest usable tens digit is 6; smallest ones digit left is 1, giving 61."],
      "source": "Henry Park 2022 P1 Numbers Q17",
      "image_needed": true,
      "image_options": false,
      "image_file": "q17.png",
      "notes": "Hexagon number cards 4, 1, 9, 6. Answer key: The answer is 61. Crop shows the four number cards."
    },
    {
      "n": 18,
      "type_id": 2,
      "question": "Count and write down the number of stamps Andy and John have in the boxes. How many stamps does John need to give to Andy so that both the boys will have the same number of stamps? John needs to give Andy [?] stamps.",
      "answer0": "3",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 3,
      "explanation": "Andy has 23 stamps, John has 29. Total 52, half is 26. John gives Andy 29 - 26 = 3 stamps so both have 26.",
      "hints": ["Count Andy's stamps and John's stamps.", "Find the difference and give away half of it: (29 - 23) / 2 = 3."],
      "source": "Henry Park 2022 P1 Numbers Q18",
      "image_needed": true,
      "image_options": false,
      "image_file": "q18.png",
      "notes": "Count picture question. Answer key: Andy 23, John 29; John needs to give Andy 3 stamps. The two boxes (Andy left, John right) must both be captured in the crop so counts are verifiable."
    },
    {
      "n": 19,
      "type_id": 2,
      "question": "May Ling bought 26 red apples. David bought 38 green apples. How many apples did they buy in all? They bought [?] apples in all.",
      "answer0": "64",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 2,
      "explanation": "26 + 38 = 64. They bought 64 apples in all.",
      "hints": ["Add the two amounts.", "26 + 38 = 64."],
      "source": "Henry Park 2022 P1 Numbers Q19",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 38 + 26 = 64; they bought 64 apples in all. The on-page boxes are only an equation-frame for working, not a figure, so no image needed."
    },
    {
      "n": 20,
      "type_id": 2,
      "question": "Mickey has 52 erasers. Ken has 23 erasers. How many more erasers does Mickey have than Ken? Mickey has [?] erasers more than Ken.",
      "answer0": "29",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 2,
      "explanation": "52 - 23 = 29. Mickey has 29 more erasers than Ken.",
      "hints": ["'How many more' means subtract.", "52 - 23 = 29."],
      "source": "Henry Park 2022 P1 Numbers Q20",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 52 - 23 = 29. On-page boxes are an equation-frame for working, not a figure."
    },
    {
      "n": 21,
      "type_id": 2,
      "question": "Benny has 35 ice-cream sticks. He needs 80 ice-cream sticks to build a wooden house. How many more ice-cream sticks does Benny need? Benny needs [?] more ice-cream sticks.",
      "answer0": "45",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 2,
      "explanation": "80 - 35 = 45. Benny needs 45 more ice-cream sticks.",
      "hints": ["Subtract what he has from what he needs.", "80 - 35 = 45."],
      "source": "Henry Park 2022 P1 Numbers Q21",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key: 80 - 35 = 45. On-page boxes are an equation-frame for working, not a figure."
    }
  ]
}