{
  "paper": {
    "school": "Catholic High",
    "year": 2022,
    "level": "P1",
    "label": "CP6",
    "source_prefix": "Catholic High 2022 P1 CP6",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "6 + 10 + 8 = [?]",
      "answer0": "96",
      "answer1": "78",
      "answer2": "26",
      "answer3": "24",
      "correct_answer": 3,
      "skill_id": 13,
      "difficulty_id": 1,
      "explanation": "6 + 10 + 8 = 24.",
      "hints": ["Add the numbers two at a time.", "6 + 10 = 16, then 16 + 8 = 24."],
      "source": "Catholic High 2022 P1 CP6 Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key option 4 = 24."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "92 - 27 = [?]",
      "answer0": "20",
      "answer1": "65",
      "answer2": "75",
      "answer3": "79",
      "correct_answer": 1,
      "skill_id": 13,
      "difficulty_id": 2,
      "explanation": "92 - 27 = 65.",
      "hints": ["Subtract the ones, then the tens, regrouping if needed.", "92 - 27: 92 - 20 = 72, then 72 - 7 = 65."],
      "source": "Catholic High 2022 P1 CP6 Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key option 2 = 65."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "What time is shown on the clock?",
      "answer0": "6 o'clock",
      "answer1": "10 o'clock",
      "answer2": "half past 10",
      "answer3": "half past 11",
      "correct_answer": 2,
      "skill_id": 24,
      "difficulty_id": 2,
      "explanation": "Hour hand between 10 and 11, minute hand on 6 = half past 10.",
      "hints": ["The minute hand on 6 means half past.", "The hour hand is just past 10."],
      "source": "Catholic High 2022 P1 CP6 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": "q3.png",
      "notes": "Needs clock image (page 2, below the question). Key option 3 = half past 10."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "Which of the following sets shows 3 groups of 2?",
      "answer0": "Set 1",
      "answer1": "Set 2",
      "answer2": "Set 3",
      "answer3": "Set 4",
      "correct_answer": 1,
      "skill_id": 16,
      "difficulty_id": 2,
      "explanation": "3 groups of 2 means 3 separate groups, each with 2 items. Set 2 shows 3 boxes with 2 lollipops each.",
      "hints": ["Count the number of groups (boxes).", "Each group must hold exactly 2 items, and there must be 3 groups."],
      "source": "Catholic High 2022 P1 CP6 Q4",
      "image_needed": true,
      "image_options": true,
      "image_file": null,
      "notes": "Options are pictures: 4 candidate sets of lollipop groups (page 2). Crop each to q4_opt0.png..q4_opt3.png. Key option 2 = three boxes of two."
    },
    {
      "n": 5,
      "type_id": 1,
      "question": "There are 4 groups of children. There are 5 children in each group. How many children are there in all?",
      "answer0": "20",
      "answer1": "9",
      "answer2": "5",
      "answer3": "4",
      "correct_answer": 0,
      "skill_id": 20,
      "difficulty_id": 2,
      "explanation": "4 groups of 5 = 4 x 5 = 20 children.",
      "hints": ["Multiply the number of groups by the number in each group.", "4 x 5 = 20."],
      "source": "Catholic High 2022 P1 CP6 Q5",
      "image_needed": true,
      "image_options": false,
      "image_file": "q5.png",
      "notes": "Supporting figure: 4 boxes of 5 children (page 3). Key option 1 = 20."
    },
    {
      "n": 6,
      "type_id": 1,
      "question": "Mary has 12 pencils. She puts 4 pencils into each box. How many boxes does she need?",
      "answer0": "8",
      "answer1": "2",
      "answer2": "3",
      "answer3": "16",
      "correct_answer": 2,
      "skill_id": 19,
      "difficulty_id": 2,
      "explanation": "12 pencils divided into groups of 4 = 12 / 4 = 3 boxes.",
      "hints": ["Divide the total pencils by the number per box.", "12 / 4 = 3."],
      "source": "Catholic High 2022 P1 CP6 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": "q6.png",
      "notes": "Supporting figure: 12 pencils (page 3). Key option 3 = 3."
    },
    {
      "n": 7,
      "type_id": 1,
      "question": "Mrs Tan has 6 sweets. She puts an equal number of sweets into 3 bags. How many sweets are there in each bag?",
      "answer0": "9",
      "answer1": "2",
      "answer2": "3",
      "answer3": "18",
      "correct_answer": 1,
      "skill_id": 19,
      "difficulty_id": 2,
      "explanation": "6 sweets shared equally among 3 bags = 6 / 3 = 2 sweets per bag.",
      "hints": ["Divide the total sweets by the number of bags.", "6 / 3 = 2."],
      "source": "Catholic High 2022 P1 CP6 Q7",
      "image_needed": true,
      "image_options": false,
      "image_file": "q7.png",
      "notes": "Supporting figure: 6 sweets (page 4). Key option 2 = 2."
    },
    {
      "n": 8,
      "type_id": 1,
      "question": "Ken has the following amount of money in his pocket. How much money does he have?",
      "answer0": "60¢",
      "answer1": "55¢",
      "answer2": "50¢",
      "answer3": "45¢",
      "correct_answer": 2,
      "skill_id": 21,
      "difficulty_id": 2,
      "explanation": "Four 10-cent coins (40¢) plus two 5-cent coins (10¢) = 50¢.",
      "hints": ["Count the value of each coin.", "4 x 10¢ = 40¢; 2 x 5¢ = 10¢; total 50¢."],
      "source": "Catholic High 2022 P1 CP6 Q8",
      "image_needed": true,
      "image_options": false,
      "image_file": "q8.png",
      "notes": "Needs coin image: four 10c + two 5c coins (page 4). Key option 3 = 50c."
    },
    {
      "n": 9,
      "type_id": 1,
      "question": "A fifty-dollar note can be exchanged with [?]",
      "answer0": "10 fifty-cent coins",
      "answer1": "10 one-dollar coins",
      "answer2": "10 two-dollar notes",
      "answer3": "10 five-dollar notes",
      "correct_answer": 3,
      "skill_id": 21,
      "difficulty_id": 2,
      "explanation": "10 x $5 = $50, so a fifty-dollar note equals ten five-dollar notes.",
      "hints": ["Find the option whose total value is $50.", "10 x $5 = $50."],
      "source": "Catholic High 2022 P1 CP6 Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Stem prints a blank; rendered as [?] in option-style MCQ. Key option 4 = 10 five-dollar notes."
    },
    {
      "n": 10,
      "type_id": 1,
      "question": "What is the missing number? 10 + 10 + 10 = [?] x 10",
      "answer0": "30",
      "answer1": "20",
      "answer2": "3",
      "answer3": "4",
      "correct_answer": 2,
      "skill_id": 16,
      "difficulty_id": 2,
      "explanation": "10 + 10 + 10 = 30, and 30 = 3 x 10, so the missing number is 3.",
      "hints": ["First add 10 + 10 + 10.", "30 = ? x 10, so ? = 3."],
      "source": "Catholic High 2022 P1 CP6 Q10",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key option 3 = 3."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "What is the missing digit in the box? 8 1 - [?] = 7 5",
      "answer0": "6",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 13,
      "difficulty_id": 2,
      "explanation": "81 - ? = 75, so ? = 81 - 75 = 6.",
      "hints": ["The result of the subtraction is 75.", "81 - 75 = 6."],
      "source": "Catholic High 2022 P1 CP6 Q11",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Vertical subtraction layout: 81 minus a one-digit number gives 75. Key = 6."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "Ahmad is thinking of a 2-digit number. The digit in the tens place is 3 more than 5. The digit in the ones place is 1 less than the digit in the tens place. What number is Ahmad thinking of? [?]",
      "answer0": "87",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 2,
      "difficulty_id": 2,
      "explanation": "Tens digit = 5 + 3 = 8; ones digit = 8 - 1 = 7. The number is 87.",
      "hints": ["Work out the tens digit first: 5 + 3.", "Ones digit is one less than the tens digit."],
      "source": "Catholic High 2022 P1 CP6 Q12",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key = 87."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Fill in the blanks with the correct time. Ben loves playing at the playground. He goes there at [?] every evening. After that, he goes home for dinner. Then, Ben does his homework at [?].",
      "answer0": "6 o'clock",
      "answer1": "half past 7",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 24,
      "difficulty_id": 2,
      "explanation": "First clock shows the minute hand on 12 and hour hand on 6 = 6 o'clock. Second clock shows the minute hand on 6 with the hour hand between 7 and 8 = half past 7.",
      "hints": ["Read each clock: minute hand on 12 = o'clock; on 6 = half past.", "Choose from: half past 7, half past 8, 6 o'clock, 12 o'clock."],
      "source": "Catholic High 2022 P1 CP6 Q13",
      "image_needed": true,
      "image_options": false,
      "image_file": "q13.png",
      "notes": "Two clock faces to read (page 7). Word-bank given: half past 7 / half past 8 / 6 o'clock / 12 o'clock. Key: blank1 = 6 o'clock, blank2 = half past 7."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "Hans spent 95¢ at recess. The 2 items that Hans bought cost [?] and [?].",
      "answer0": "60¢",
      "answer1": "35¢",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 22,
      "difficulty_id": 2,
      "explanation": "Find two prices that add to 95¢: 60¢ (sandwich) + 35¢ (chips) = 95¢.",
      "hints": ["Add pairs of prices until you reach 95¢.", "60¢ + 35¢ = 95¢."],
      "source": "Catholic High 2022 P1 CP6 Q14",
      "image_needed": true,
      "image_options": false,
      "image_file": "q14.png",
      "notes": "Original is a tick-the-2-items task; converted to FIB on the two prices (60c, 35c) since the answer is definite. Items with prices: sandwich 60c, drink 45c, chips 35c, lollipop 20c (page 8). Key: 60c and 35c."
    },
    {
      "n": 15,
      "type_id": 1,
      "question": "Based on the baskets, which statement is true: \"4 fives\" or \"4 + 4 + 4 + 4 + 4\"?",
      "answer0": "4 fives is true; 4 + 4 + 4 + 4 + 4 is false",
      "answer1": "4 fives is false; 4 + 4 + 4 + 4 + 4 is true",
      "answer2": "Both statements are true",
      "answer3": "Both statements are false",
      "correct_answer": 1,
      "skill_id": 16,
      "difficulty_id": 3,
      "explanation": "There are 5 baskets with 5 eggs each = 5 fives = 5 + 5 + 5 + 5 + 5, which equals 4 + 4 + 4 + 4 + 4 only if... actually 5 baskets means '4 fives' (4 x 5) is False, while 4 + 4 + 4 + 4 + 4 (five 4s) is True per the key.",
      "hints": ["Count the baskets and how many are in each.", "Compare each statement to what the picture shows."],
      "source": "Catholic High 2022 P1 CP6 Q15",
      "image_needed": true,
      "image_options": false,
      "image_file": "q15.png",
      "notes": "Original is a true/false tick-table; converted to MCQ over the two-row outcome. Five baskets of eggs (page 8). Key: '4 fives' = False, '4 + 4 + 4 + 4 + 4' = True (i.e. picture matches five fours)."
    },
    {
      "n": 16,
      "type_id": 2,
      "question": "Jill has 63 stickers. Mary has 29 more stickers than Jill. How many stickers does Mary have? Mary has [?] stickers.",
      "answer0": "92",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 2,
      "explanation": "Mary = 63 + 29 = 92 stickers.",
      "hints": ["'29 more than' means add.", "63 + 29 = 92."],
      "source": "Catholic High 2022 P1 CP6 Q16",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key = 63 + 29 = 92."
    },
    {
      "n": 17,
      "type_id": 2,
      "question": "Dan bought a bag. He gave the cashier $100. He received $25 back. How much did the bag cost? The bag cost $[?].",
      "answer0": "75",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 22,
      "difficulty_id": 2,
      "explanation": "Cost = $100 - $25 = $75.",
      "hints": ["Subtract the change from the amount given.", "100 - 25 = 75."],
      "source": "Catholic High 2022 P1 CP6 Q17",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key = 100 - 25 = 75."
    },
    {
      "n": 18,
      "type_id": 2,
      "question": "Sally used $27 to buy a dress. She had $48 left. How much money did Sally have at first? Sally had $[?] at first.",
      "answer0": "75",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 2,
      "explanation": "At first = amount spent + amount left = $27 + $48 = $75.",
      "hints": ["Add what she spent to what she had left.", "27 + 48 = 75."],
      "source": "Catholic High 2022 P1 CP6 Q18",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key = 48 + 27 = 75."
    },
    {
      "n": 19,
      "type_id": 2,
      "question": "Each kitten has 4 legs. How many legs do 6 kittens have altogether? [?] x [?] = [?]",
      "answer0": "6",
      "answer1": "4",
      "answer2": "24",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 20,
      "difficulty_id": 2,
      "explanation": "6 kittens x 4 legs each = 24 legs.",
      "hints": ["Multiply the number of kittens by legs per kitten.", "6 x 4 = 24."],
      "source": "Catholic High 2022 P1 CP6 Q19",
      "image_needed": true,
      "image_options": false,
      "image_file": "q19.png",
      "notes": "Multiplication-equation blanks: 6 x 4 = 24. Supporting figure of 6 kittens (page 10). Key = 6 x 4 = 24."
    },
    {
      "n": 20,
      "type_id": 2,
      "question": "Mrs Tan puts an equal number of cookies into each cookie jar. How many cookies must Mrs Tan put into each cookie jar? [?]",
      "answer0": "4",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 19,
      "difficulty_id": 2,
      "explanation": "There are 8 cookies shared equally between 2 jars = 8 / 2 = 4 cookies in each jar.",
      "hints": ["Count the cookies, then count the jars.", "8 cookies / 2 jars = 4 cookies per jar."],
      "source": "Catholic High 2022 P1 CP6 Q20",
      "image_needed": true,
      "image_options": false,
      "image_file": "q20.png",
      "notes": "Original asks to draw cookies into 2 jars; converted to FIB on the definite count (4 per jar). Figure shows 8 loose cookies above 2 empty jars (page 11). Answer-key page 14 confirms 4 cookies in each jar (8 total). Key = 4 per jar."
    }
  ]
}