{
  "paper": {
    "school": "Henry Park",
    "year": 2024,
    "level": "P2",
    "label": "Quiz 2",
    "source_prefix": "Henry Park 2024 P2 Quiz 2",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "Which of the following shows 4 groups of 2?",
      "answer0": "Picture 1",
      "answer1": "Picture 2",
      "answer2": "Picture 3",
      "answer3": "Picture 4",
      "correct_answer": 3,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "4 groups of 2 means 4 sets, each with 2 items: option 4 shows 4 boxes of 2 hearts each.",
      "hints": ["Count the number of groups, then the number in each group.", "You need exactly 4 groups, each holding 2."],
      "source": "Henry Park 2024 P2 Quiz 2 Q1",
      "image_needed": true,
      "image_options": true,
      "image_file": null,
      "image_page": 1,
      "image_loc": "below the question, four heart-group options labelled 1)-4)",
      "notes": "Image-option MCQ: 4 options are heart-group pictures. Key=4 (option index 3). Crop each option to q1_opt0..q1_opt3 later."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "Mr Wong packs 10 cookies into bags of 5. How many bags of cookies are there?",
      "answer0": "5",
      "answer1": "2",
      "answer2": "15",
      "answer3": "50",
      "correct_answer": 1,
      "skill_id": 40,
      "difficulty_id": 1,
      "explanation": "10 cookies divided into bags of 5: 10 ÷ 5 = 2 bags.",
      "hints": ["Divide the total by the number in each bag.", "10 ÷ 5 = ?"],
      "source": "Henry Park 2024 P2 Quiz 2 Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key=option 2 (index 1)."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "Share 16 stickers equally among 2 friends. Which of the following equations shows the number of stickers each friend receives?",
      "answer0": "16 - 2 = 14",
      "answer1": "16 + 2 = 18",
      "answer2": "16 ÷ 2 = 8",
      "answer3": "16 × 2 = 32",
      "correct_answer": 2,
      "skill_id": 38,
      "difficulty_id": 1,
      "explanation": "Sharing equally means division: 16 ÷ 2 = 8 stickers each.",
      "hints": ["Sharing equally is a division situation.", "16 split into 2 equal groups."],
      "source": "Henry Park 2024 P2 Quiz 2 Q3",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Decorative smiley row, not needed to answer. Key=option 3 (index 2)."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "10 + 10 + 10 + 10 + 10 + 10 + 10 = [?] × 10",
      "answer0": "7",
      "answer1": "10",
      "answer2": "70",
      "answer3": "80",
      "correct_answer": 0,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "There are 7 tens added together, so it equals 7 × 10.",
      "hints": ["Count how many 10s are being added.", "Repeated addition becomes multiplication by the count."],
      "source": "Henry Park 2024 P2 Quiz 2 Q4",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "MCQ as printed (asks for the missing factor). Key=option 1 (index 0)."
    },
    {
      "n": 5,
      "type_id": 1,
      "question": "35 ÷ 5 is [?] less than 40 ÷ 5.",
      "answer0": "1",
      "answer1": "5",
      "answer2": "7",
      "answer3": "8",
      "correct_answer": 0,
      "skill_id": 39,
      "difficulty_id": 2,
      "explanation": "35 ÷ 5 = 7 and 40 ÷ 5 = 8; 7 is 1 less than 8.",
      "hints": ["Work out both divisions first.", "Compare 7 and 8."],
      "source": "Henry Park 2024 P2 Quiz 2 Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key=option 1 (index 0)."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "28 [?] 4 = 7",
      "answer0": "÷",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 37,
      "difficulty_id": 1,
      "explanation": "7 groups of 4 clams shown; 28 ÷ 4 = 7, so the missing operator is ÷.",
      "hints": ["The picture shows 7 groups of 4.", "Which operation gives 7 from 28 and 4?"],
      "source": "Henry Park 2024 P2 Quiz 2 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 3,
      "image_loc": "top of page, 7 circles each containing 4 clam/shell shapes above the equation",
      "notes": "Fill the operator in the circle. Key: 28 ÷ 4 = 7. Symbolic single-blank FIB."
    },
    {
      "n": 7,
      "type_id": 0,
      "question": "Circle the pencils to show 4 equal groups.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "Circle the 16 pencils into 4 groups of 4.",
      "hints": [],
      "source": "Henry Park 2024 P2 Quiz 2 Q7",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 3,
      "image_loc": "middle of page, scattered pencils below the question",
      "notes": "Interactive circling task; key shows 4 circled groups (4 pencils each). type_id 0 — skipped on insert."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "Multiply 2 by 7. The answer is [?].",
      "answer0": "14",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "2 × 7 = 14.",
      "hints": ["Use the 2 times table.", "2 sevens make 14."],
      "source": "Henry Park 2024 P2 Quiz 2 Q8",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key=14."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "5 × 5 = [?]",
      "answer0": "25",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "5 × 5 = 25.",
      "hints": ["Use the 5 times table.", "Five fives."],
      "source": "Henry Park 2024 P2 Quiz 2 Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Printed as '5 × 5 = ?' in a box; rendered as FIB. Key=25."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "Mrs Ang bought some doughnuts and 5 boxes. 1 box can hold 6 doughnuts. How many doughnuts did Mrs Ang buy to fill up all the 5 boxes completely? Mrs Ang bought [?] doughnuts.",
      "answer0": "30",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 2,
      "explanation": "5 boxes × 6 doughnuts each = 30 doughnuts.",
      "hints": ["Each box holds 6.", "5 × 6 = ?"],
      "source": "Henry Park 2024 P2 Quiz 2 Q10",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "5 'Box for 6' images are decorative; not required to solve. Key=30."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Write a multiplication and a division equation. [?] × [?] = [?] [?] ÷ [?] = [?]",
      "answer0": "3",
      "answer1": "8",
      "answer2": "24",
      "answer3": "24",
      "correct_answer": null,
      "skill_id": 38,
      "difficulty_id": 2,
      "explanation": "3 rows of 8 children: 3 × 8 = 24 and 24 ÷ 3 = 8.",
      "hints": ["Count the rows and the children per row.", "Multiplication and its matching division."],
      "source": "Henry Park 2024 P2 Quiz 2 Q11",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 5,
      "image_loc": "top of page, 3 rows of 8 children above the equation boxes",
      "notes": "Six blanks: 3×8=24 then 24÷3=8. answer0..3 cover first four blanks (3,8,24,24); remaining blanks 3 and 8. Full key: 3 × 8 = 24; 24 ÷ 3 = 8. Picture needed to derive the numbers."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "There are [?] groups of 7 strawberries.",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "14 strawberries grouped in 7s give 2 groups (14 ÷ 7 = 2).",
      "hints": ["Count the strawberries, then divide by 7.", "How many sevens fit?"],
      "source": "Henry Park 2024 P2 Quiz 2 Q12",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 5,
      "image_loc": "bottom of page, scattered strawberries above the answer box",
      "notes": "Original task says 'Circle the strawberries to show groups of 7' but the answer blank asks for the count of groups, so FIB. Key=2."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Complete the equations. [?] × 10 = 50 [?] ÷ 5 = 10",
      "answer0": "5",
      "answer1": "50",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 38,
      "difficulty_id": 1,
      "explanation": "5 × 10 = 50 and 50 ÷ 5 = 10.",
      "hints": ["Find the factor that makes 50.", "Find the number that divides by 5 to give 10."],
      "source": "Henry Park 2024 P2 Quiz 2 Q13",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "5 egg-tray images decorative. Two blanks. Key: 5 × 10 = 50; 50 ÷ 5 = 10."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "Ben shared 12 toy cars equally with Sam. How many toy cars did each of them have? Each of them had [?] toy cars.",
      "answer0": "6",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 1,
      "explanation": "12 cars shared between 2 people: 12 ÷ 2 = 6 each.",
      "hints": ["Shared between Ben and Sam means 2 people.", "12 ÷ 2 = ?"],
      "source": "Henry Park 2024 P2 Quiz 2 Q14",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "12 toy-car images decorative. Key=6."
    },
    {
      "n": 15,
      "type_id": 0,
      "question": "Put a tick or a cross in the box next to the statement that describes the picture.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 39,
      "difficulty_id": 2,
      "explanation": "8 × 10 = 80 correct (tick); 10 × 10 = 90 + 10 means 100 = 100 — wait, key marks this wrong (cross); 100 ÷ 10 = 10 correct (tick).",
      "hints": [],
      "source": "Henry Park 2024 P2 Quiz 2 Q15",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 7,
      "image_loc": "top of page, 10 ovals of leaves above the statements table",
      "notes": "Tick/cross marking task across a 3-row table — interactive, no value answer. Key: 8×10=80 tick(✓), 10×10=90+10 cross(✗), 100÷10=10 tick(✓). type_id 0 — skipped on insert."
    },
    {
      "n": 16,
      "type_id": 2,
      "question": "Mr Tan has $40 in his wallet. He has two $5-notes, two $10-notes and some $2-notes. How many $2-notes are there in his wallet? There are [?] $2-notes in his wallet.",
      "answer0": "5",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 49,
      "difficulty_id": 2,
      "explanation": "Two $5-notes = $10, two $10-notes = $20, total $30. Remaining $40 − $30 = $10, which is 5 × $2-notes.",
      "hints": ["Add up the value of the $5 and $10 notes first.", "What is left, and how many $2-notes make it?"],
      "source": "Henry Park 2024 P2 Quiz 2 Q16",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 7,
      "image_loc": "middle of page, wallet showing two $5 notes and two $10 notes",
      "notes": "Money word problem. Wallet image shows the given notes (supports the stem). Key=5."
    },
    {
      "n": 17,
      "type_id": 2,
      "question": "A cat ate 18 fish in 6 days. It ate the same number of fish each day. How many fish did the cat eat in one day? The cat ate [?] fish in one day.",
      "answer0": "3",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 1,
      "explanation": "18 fish over 6 days equally: 18 ÷ 6 = 3 fish per day.",
      "hints": ["Same number each day means divide.", "18 ÷ 6 = ?"],
      "source": "Henry Park 2024 P2 Quiz 2 Q17",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "18 fish images decorative. Key: 18 ÷ 6 = 3."
    },
    {
      "n": 18,
      "type_id": 2,
      "question": "There are 9 apples in each basket. There are 2 baskets. How many apples are there altogether? There are [?] apples altogether.",
      "answer0": "18",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 1,
      "explanation": "2 baskets of 9 apples: 2 × 9 = 18.",
      "hints": ["Each basket has the same number.", "2 × 9 = ?"],
      "source": "Henry Park 2024 P2 Quiz 2 Q18",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 2 × 9 = 18."
    },
    {
      "n": 19,
      "type_id": 2,
      "question": "A pole is 2 m long. What is the total length of 10 such poles? The total length of 10 such poles is [?] m.",
      "answer0": "20",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 1,
      "explanation": "10 poles each 2 m: 10 × 2 = 20 m.",
      "hints": ["Each pole is 2 m.", "10 × 2 = ?"],
      "source": "Henry Park 2024 P2 Quiz 2 Q19",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Q19(a). Key: 2 × 10 = 20 m. Q19 has two parts; (b) recorded as Q20 below."
    },
    {
      "n": 20,
      "type_id": 2,
      "question": "Miss Lee bought a ribbon that is 5 m long. She cut the ribbon into equal pieces. Each piece of ribbon is 1 m long. How many equal pieces of ribbon are there? There are [?] equal pieces of ribbon.",
      "answer0": "5",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 1,
      "explanation": "5 m cut into 1 m pieces: 5 ÷ 1 = 5 pieces.",
      "hints": ["How many 1 m pieces fit into 5 m?", "5 ÷ 1 = ?"],
      "source": "Henry Park 2024 P2 Quiz 2 Q19",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "This is Q19(b) on the paper. Key: 5 ÷ 1 = 5. Source kept as Q19 per original numbering."
    }
  ]
}