{
  "paper": {
    "school": "Henry Park",
    "year": 2024,
    "level": "P1",
    "label": "Quiz 3",
    "source_prefix": "Henry Park 2024 P1 Quiz 3",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "How many marbles are there?",
      "answer0": "25",
      "answer1": "26",
      "answer2": "27",
      "answer3": "28",
      "correct_answer": 1,
      "skill_id": 1,
      "difficulty_id": 1,
      "explanation": "Count the marbles: two full rows of 10 and a partial row of 6, so 10 + 10 + 6 = 26.",
      "hints": ["Count the marbles in groups of ten.", "Two rows of ten is 20, then add the rest."],
      "source": "Henry Park 2024 P1 Quiz 3 Q1",
      "image_needed": true,
      "image_options": false,
      "image_file": "q1.png",
      "image_page": 1,
      "image_loc": "top-middle of page, inside bordered box below the stem 'Look at the picture shown below' — 3 rows of marble icons (10, 10, 6)",
      "notes": "Key Q1 = option (2) = 26. Required count = 26 (10+10+6); crop must show all three rows."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "58 = [?] tens 8 ones",
      "answer0": "5",
      "answer1": "8",
      "answer2": "50",
      "answer3": "58",
      "correct_answer": 0,
      "skill_id": 2,
      "difficulty_id": 1,
      "explanation": "58 is made of 5 tens and 8 ones, so the missing number is 5.",
      "hints": ["The tens digit of 58 tells you how many tens.", "58 = 50 + 8 = 5 tens and 8 ones."],
      "source": "Henry Park 2024 P1 Quiz 3 Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q2 = option (1) = 5. Stem printed with a '?' box; rendered with [?] in the same position."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "Which of the following is not the same as 88?",
      "answer0": "8 + 8",
      "answer1": "80 + 8",
      "answer2": "8 tens 8 ones",
      "answer3": "eighty-eight",
      "correct_answer": 0,
      "skill_id": 2,
      "difficulty_id": 2,
      "explanation": "80 + 8 = 88, 8 tens 8 ones = 88, eighty-eight = 88, but 8 + 8 = 16, not 88.",
      "hints": ["Work out the value of each option.", "8 + 8 is only 16."],
      "source": "Henry Park 2024 P1 Quiz 3 Q3",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q3 = option (1) = '8 + 8'."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "55 + 17 = [?]",
      "answer0": "41",
      "answer1": "42",
      "answer2": "62",
      "answer3": "72",
      "correct_answer": 3,
      "skill_id": 13,
      "difficulty_id": 1,
      "explanation": "55 + 17 = 72.",
      "hints": ["Add the ones first: 5 + 7 = 12.", "Carry the ten: 50 + 10 + 12 = 72."],
      "source": "Henry Park 2024 P1 Quiz 3 Q4",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q4 = option (4) = 72."
    },
    {
      "n": 5,
      "type_id": 1,
      "question": "51 - 13 = [?]",
      "answer0": "38",
      "answer1": "42",
      "answer2": "48",
      "answer3": "64",
      "correct_answer": 0,
      "skill_id": 13,
      "difficulty_id": 1,
      "explanation": "51 - 13 = 38.",
      "hints": ["Subtract the ones with renaming: 51 - 10 = 41, then 41 - 3 = 38.", "Check: 38 + 13 = 51."],
      "source": "Henry Park 2024 P1 Quiz 3 Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q5 = option (1) = 38."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "Write in numbers.\nninety-seven = [?]",
      "answer0": "97",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 3,
      "difficulty_id": 1,
      "explanation": "Ninety-seven written in numbers is 97.",
      "hints": ["Ninety is 90.", "Ninety + seven = 97."],
      "source": "Henry Park 2024 P1 Quiz 3 Q6",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q6 = 97."
    },
    {
      "n": 7,
      "type_id": 1,
      "question": "Write in words.\n47",
      "answer0": "Forty-seven",
      "answer1": "Fourteen",
      "answer2": "Seventy-four",
      "answer3": "Forty-four",
      "correct_answer": 0,
      "skill_id": 3,
      "difficulty_id": 1,
      "explanation": "47 in words is forty-seven (4 tens and 7 ones).",
      "hints": ["The tens digit is 4 (forty).", "The ones digit is 7 (seven)."],
      "source": "Henry Park 2024 P1 Quiz 3 Q7",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q7 = 'Forty-seven'. Per spec, word-answer converted to MCQ with 4 word options (distractors are common confusions: fourteen, seventy-four, forty-four)."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "8 tens 2 ones = [?] ones",
      "answer0": "82",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 2,
      "difficulty_id": 1,
      "explanation": "8 tens = 80 ones, plus 2 ones = 82 ones.",
      "hints": ["Each ten is 10 ones, so 8 tens = 80 ones.", "80 ones + 2 ones = 82 ones."],
      "source": "Henry Park 2024 P1 Quiz 3 Q8",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q8 = 82."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "There are [?] fruits altogether.",
      "answer0": "14",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 1,
      "difficulty_id": 1,
      "explanation": "Count all the fruits: 3 apples + 4 bananas + 7 strawberries = 14 fruits.",
      "hints": ["Count each type of fruit separately.", "Add the apples, bananas and strawberries together."],
      "source": "Henry Park 2024 P1 Quiz 3 Q9",
      "image_needed": true,
      "image_options": false,
      "image_file": "q9.png",
      "image_page": 3,
      "image_loc": "lower half of page — three labelled groups: Apples (3), Bananas (4), Strawberries (7)",
      "notes": "Key Q9 = 14. Required count = 3 apples + 4 bananas + 7 strawberries = 14; crop must show all three groups and labels."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "Which is the greatest number?\n99, 39, 66, 63\nThe answer is [?].",
      "answer0": "99",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 4,
      "difficulty_id": 1,
      "explanation": "Compare 99, 39, 66 and 63; the greatest is 99.",
      "hints": ["Compare the tens digits first.", "99 has the most tens."],
      "source": "Henry Park 2024 P1 Quiz 3 Q10",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q10 = 99. The four numbers (99, 39, 66, 63) are printed in a header table shared with Q11; inlined into the stem as text so no image is needed."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Arrange the numbers 99, 39, 66, 63 from the smallest to the greatest.\n[?], [?], [?], [?]",
      "answer0": "39",
      "answer1": "63",
      "answer2": "66",
      "answer3": "99",
      "correct_answer": null,
      "skill_id": 5,
      "difficulty_id": 2,
      "explanation": "Order from smallest to greatest: 39, 63, 66, 99.",
      "hints": ["Compare the tens digits first.", "39 is smallest; 99 is greatest."],
      "source": "Henry Park 2024 P1 Quiz 3 Q11",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q11 = 39, 63, 66, 99. Ordering task converted to a 4-blank FIB (answer0..3 in order). Numbers shared with Q10 header table, inlined as text."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "Suzy and Lisa collected 28 seashells altogether. Lisa collected 13 seashells. How many seashells did Suzy collect?\nSuzy collected [?] seashells.",
      "answer0": "15",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 2,
      "explanation": "28 - 13 = 15, so Suzy collected 15 seashells.",
      "hints": ["Take away Lisa's share from the total.", "28 - 13 = 15."],
      "source": "Henry Park 2024 P1 Quiz 3 Q12",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q12 = 15. The 28-seashell picture is decorative (numbers are all in the text); not required to solve, so image_needed=false."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Complete the number pattern.\n23, 33, [?], 53, 63, 73, 83",
      "answer0": "43",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 6,
      "difficulty_id": 1,
      "explanation": "The pattern increases by 10 each time, so the missing number after 33 is 43.",
      "hints": ["Find the difference between numbers: 33 - 23 = 10.", "33 + 10 = 43."],
      "source": "Henry Park 2024 P1 Quiz 3 Q13",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q13 = 43. The boxed sequence is text/numbers, transcribed into the stem; no image needed."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "(a) 7 more than 75 is [?]. (b) [?] is 10 less than 95.",
      "answer0": "82",
      "answer1": "85",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 13,
      "difficulty_id": 2,
      "explanation": "(a) 75 + 7 = 82. (b) 95 - 10 = 85.",
      "hints": ["'more than' means add; 'less than' means subtract.", "75 + 7 = 82 and 95 - 10 = 85."],
      "source": "Henry Park 2024 P1 Quiz 3 Q14",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q14 = (a) 82, (b) 85. Two-blank FIB: answer0 = part (a), answer1 = part (b)."
    },
    {
      "n": 15,
      "type_id": 2,
      "question": "Fill in the missing digits.\n[?] 8 + 5 [?] = 7 0",
      "answer0": "1",
      "answer1": "2",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 14,
      "difficulty_id": 3,
      "explanation": "The vertical sum is _8 + 5_ = 70. The ones digit must give 0, so 8 + 2 = 10 (ones digit 2). With the carried 1: 1 + ?tens + 5 = 7, so the top tens digit is 1. The numbers are 18 + 52 = 70.",
      "hints": ["Look at the ones column first: 8 + ? must end in 0.", "8 + 2 = 10, so carry 1; then 1 + (top tens) + 5 = 7."],
      "source": "Henry Park 2024 P1 Quiz 3 Q15",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q15 written as '18 - 52 = 70' (a typo in the key for the column sum 18 + 52 = 70). Missing digits in reading order: top tens box = 1, bottom ones box = 2. Two-blank FIB: answer0 = top-left box (1), answer1 = bottom-right box (2)."
    },
    {
      "n": 16,
      "type_id": 2,
      "question": "Which two numbers are greater than 35 but smaller than 45?\n54, 37, 53, 34, 41\n[?], [?]",
      "answer0": "37",
      "answer1": "41",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 4,
      "difficulty_id": 2,
      "explanation": "Numbers between 35 and 45 are 37 and 41 (54, 53 are too big; 34 is too small).",
      "hints": ["The number must be more than 35 and less than 45.", "Check each: 37 and 41 fit."],
      "source": "Henry Park 2024 P1 Quiz 3 Q16",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q16 = 37 / 41. Original task is 'circle them'; converted to a 2-blank FIB since the answer is two definite values. Numbers (54, 37, 53, 34, 41) inlined as text. Order of the two answers is interchangeable."
    },
    {
      "n": 17,
      "type_id": 2,
      "question": "Look at the 4 number cards 5, 4, 3, 6. Form the greatest number between 10 and 50 using the number cards. Use each number card once only.\nThe answer is [?].",
      "answer0": "46",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 4,
      "difficulty_id": 3,
      "explanation": "A number between 10 and 50 must have a tens digit less than 5, so the largest available tens digit is 4. The greatest ones digit available is 6, giving 46.",
      "hints": ["The tens digit must be less than 5 (so 3 or 4).", "Use 4 for the tens and the biggest leftover card, 6, for the ones."],
      "source": "Henry Park 2024 P1 Quiz 3 Q17",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q17 = 46. The four cards show 5, 4, 3, 6; digits inlined into the stem as text so no image needed."
    },
    {
      "n": 18,
      "type_id": 2,
      "question": "Count the toy cars that Bob and Jake have. Bob has [?] toy cars and Jake has [?] toy cars. How many toy cars does Jake need to give to Bob so that both boys will have the same number of toy cars?\nJake needs to give Bob [?] toy cars.",
      "answer0": "13",
      "answer1": "17",
      "answer2": "2",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 1,
      "difficulty_id": 3,
      "explanation": "Bob has 13 toy cars and Jake has 17. Together they have 30, so each should have 15. Jake (17) must give Bob 17 - 15 = 2 toy cars.",
      "hints": ["Count Bob's cars and Jake's cars first.", "Find the total, share it equally, then see how many Jake must pass over."],
      "source": "Henry Park 2024 P1 Quiz 3 Q18",
      "image_needed": true,
      "image_options": false,
      "image_file": "q18.png",
      "image_page": 7,
      "image_loc": "upper-middle of page — one bordered box split into two halves: Bob's cars (left, 13) and Jake's cars (right, 17)",
      "notes": "Key Q18 = Bob 13, Jake 17, Jake gives Bob 2. Required counts: Bob = 13, Jake = 17 (each must verify in the crop). Three-blank FIB: answer0 = Bob count (13), answer1 = Jake count (17), answer2 = cars Jake gives (2)."
    },
    {
      "n": 19,
      "type_id": 2,
      "question": "Cheryl bought 12 muffins. David bought 8 muffins. How many muffins did they buy in all?\nThey bought [?] muffins in all.",
      "answer0": "20",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 1,
      "explanation": "12 + 8 = 20, so they bought 20 muffins in all.",
      "hints": ["'In all' means add the two amounts.", "12 + 8 = 20."],
      "source": "Henry Park 2024 P1 Quiz 3 Q19",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q19 = 12 + 8 = 20. The number-bond/equation frame is captured by the single value answer (20)."
    },
    {
      "n": 20,
      "type_id": 2,
      "question": "Muthu read 15 storybooks. Keith read 8 storybooks. How many more storybooks did Muthu read than Keith?\nMuthu read [?] storybooks more than Keith.",
      "answer0": "7",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 1,
      "explanation": "15 - 8 = 7, so Muthu read 7 more storybooks than Keith.",
      "hints": ["'How many more' means subtract.", "15 - 8 = 7."],
      "source": "Henry Park 2024 P1 Quiz 3 Q20",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q20 = 15 - 8 = 7."
    },
    {
      "n": 21,
      "type_id": 2,
      "question": "Aunt Lena has 9 cups at home. She needs 20 cups for a party. How many more cups does Aunt Lena need to buy?\nAunty Lena needs to buy [?] more cups.",
      "answer0": "11",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 2,
      "explanation": "20 - 9 = 11, so Aunt Lena needs to buy 11 more cups.",
      "hints": ["Find the difference between what she needs and what she has.", "20 - 9 = 11."],
      "source": "Henry Park 2024 P1 Quiz 3 Q21",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Key Q21 = 20 - 9 = 11."
    }
  ]
}