{
  "paper": {
    "school": "Maha Bodhi",
    "year": 2023,
    "level": "P2",
    "label": "Topical Review 3",
    "source_prefix": "Maha Bodhi 2023 P2 Topical Review 3",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "What fraction of the figure is shaded?",
      "answer0": "2/5",
      "answer1": "4/5",
      "answer2": "4/9",
      "answer3": "5/9",
      "correct_answer": 2,
      "skill_id": 42,
      "difficulty_id": 1,
      "explanation": "The figure has 9 equal parts (3 columns x 3 rows) and 4 are shaded, so 4/9 is shaded.",
      "hints": ["Count the total number of equal parts.", "Count how many parts are shaded."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q1",
      "image_needed": true,
      "image_options": false,
      "image_page": 1,
      "image_loc": "middle of page, below the question; a 3x3 grid of cells with some shaded",
      "image_file": null,
      "notes": "Answer key Q1 = option 3 (1-based), i.e. 4/9 = 0-based index 2."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "Ali has [?] fewer green toy cars than blue toy cars.",
      "answer0": "6",
      "answer1": "2",
      "answer2": "8",
      "answer3": "4",
      "correct_answer": 2,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Each symbol stands for 2 toy cars. Blue has 7 symbols = 14; Green has 3 symbols = 6. 14 - 6 = 8 fewer.",
      "hints": ["Each heart stands for 2 toy cars.", "Find the blue total and the green total, then subtract."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q2",
      "image_needed": true,
      "image_options": false,
      "image_page": 2,
      "image_loc": "top of page; picture graph titled 'Number of Toy Cars Ali has' with Blue/Red/Green/Yellow rows of heart symbols",
      "image_file": null,
      "notes": "Stem rephrased to fill-in form but kept as MCQ per key. Answer key Q2 = option 3 (1-based) = 8 = 0-based index 2."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "The figure is a [?].",
      "answer0": "cone",
      "answer1": "sphere",
      "answer2": "cuboid",
      "answer3": "cylinder",
      "correct_answer": 3,
      "skill_id": 62,
      "difficulty_id": 1,
      "explanation": "The solid has two flat circular faces and a curved surface, so it is a cylinder.",
      "hints": ["Look at the shape of the faces.", "A solid with two circular flat faces is a cylinder."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q3",
      "image_needed": true,
      "image_options": false,
      "image_page": 2,
      "image_loc": "lower half of page; a 3D cylinder solid",
      "image_file": null,
      "notes": "Answer key Q3 = option 4 (1-based) = cylinder = 0-based index 3."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "How many more squares must be shaded to show that 7/12 of the figure is shaded?",
      "answer0": "1",
      "answer1": "2",
      "answer2": "3",
      "answer3": "4",
      "correct_answer": 2,
      "skill_id": 42,
      "difficulty_id": 2,
      "explanation": "The figure has 12 squares; 4 are already shaded. 7/12 means 7 shaded, so 7 - 4 = 3 more squares.",
      "hints": ["The figure has 12 equal squares.", "Count how many are already shaded, then find how many make 7."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q4",
      "image_needed": true,
      "image_options": false,
      "image_page": 3,
      "image_loc": "top of page, below the question; a 2x6 grid of 12 squares with some shaded",
      "image_file": null,
      "notes": "Answer key Q4 = option 3 (1-based) = 3 = 0-based index 2."
    },
    {
      "n": 5,
      "type_id": 1,
      "question": "Study the pattern. What is the missing shape?",
      "answer0": "Shape 1 (circle on top of square)",
      "answer1": "Shape 2 (circle on left of square)",
      "answer2": "Shape 3 (square on top of circle)",
      "answer3": "Shape 4 (square with circle on right)",
      "correct_answer": 0,
      "skill_id": 61,
      "difficulty_id": 2,
      "explanation": "The pattern repeats in a fixed cycle of four positions; the missing item is the first of the next cycle, a circle on top of a square.",
      "hints": ["Find where the pattern repeats.", "The missing shape continues the repeating cycle."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q5",
      "image_needed": true,
      "image_options": true,
      "image_page": 3,
      "image_loc": "lower half of page; a left-to-right repeating row of small square+circle figures ending with '?', and four option figures below",
      "image_file": null,
      "notes": "Options are pictures. Answer key Q5 = option 1 (1-based) = 0-based index 0."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "Arrange the fractions in order. Begin with the smallest. [?], [?], [?]",
      "answer0": "1/9",
      "answer1": "1/6",
      "answer2": "1/4",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 43,
      "difficulty_id": 2,
      "explanation": "For unit fractions, the larger the denominator the smaller the fraction. So 1/9 < 1/6 < 1/4.",
      "hints": ["For fractions with numerator 1, a bigger bottom number means a smaller fraction."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q6",
      "image_needed": true,
      "image_options": false,
      "image_page": 4,
      "image_loc": "upper half of page; three hexagons containing 1/6, 1/4 and 1/9",
      "image_file": null,
      "notes": "Ordering task converted to FIB. Answer key Q6 = 1/9, 1/6, 1/4 (smallest first)."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "4/11 + 5/11 = [?]",
      "answer0": "9/11",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 44,
      "difficulty_id": 1,
      "explanation": "Add the numerators of like fractions: 4 + 5 = 9, keep the denominator 11. So 9/11.",
      "hints": ["The denominators are the same.", "Add the top numbers and keep the bottom number."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q7",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Answer key Q7 = 9/11."
    },
    {
      "n": 8,
      "type_id": 1,
      "question": "Which colour was chosen by the most number of children?",
      "answer0": "Orange",
      "answer1": "Blue",
      "answer2": "Pink",
      "answer3": "Yellow",
      "correct_answer": 2,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Counting the tally marks: Yellow 7, Orange 14, Blue 15, Green 4, Pink 16. Pink has the most.",
      "hints": ["Count the tally marks for each colour.", "The colour with the most tallies is the answer."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q8",
      "image_needed": true,
      "image_options": false,
      "image_page": 5,
      "image_loc": "top of page; 'Favourite Colours Tally Chart' with rows Yellow/Orange/Blue/Green/Pink and tally marks",
      "image_file": null,
      "notes": "Word/label answer converted to MCQ. Answer key Q8 = pink = 0-based index 2."
    },
    {
      "n": 9,
      "type_id": 1,
      "question": "What is the shape of the party hat?",
      "answer0": "cone",
      "answer1": "cylinder",
      "answer2": "sphere",
      "answer3": "cuboid",
      "correct_answer": 0,
      "skill_id": 62,
      "difficulty_id": 1,
      "explanation": "The party hat has a circular base and tapers to a point, so it is a cone.",
      "hints": ["Look at the base and the tip.", "A solid with a circular base that narrows to a point is a cone."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q9",
      "image_needed": true,
      "image_options": false,
      "image_page": 5,
      "image_loc": "lower half of page; a party hat (cone) decorated with stars",
      "image_file": null,
      "notes": "Word answer converted to MCQ. Answer key Q9 = cone = 0-based index 0."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "3/8 and [?] make a whole.",
      "answer0": "5/8",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 44,
      "difficulty_id": 1,
      "explanation": "A whole is 8/8. 8/8 - 3/8 = 5/8, so 3/8 and 5/8 make a whole.",
      "hints": ["One whole is 8/8.", "Subtract 3/8 from 8/8."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q10",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Answer key Q10 = 5/8."
    },
    {
      "n": 11,
      "type_id": 0,
      "question": "Circle the correct shape in the Answer box to complete the pattern.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 61,
      "difficulty_id": 2,
      "explanation": "The repeating unit is filled-circle, outline-circle, filled-square, outline-square. The first missing slot needs a filled square; circle the filled square in the answer box.",
      "hints": ["Find the repeating group of four shapes.", "The missing slot is the next shape in the repeating group."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q11",
      "image_needed": true,
      "image_options": false,
      "image_page": 6,
      "image_loc": "upper half of page; a row of shapes with '?' near the start, and an Answer box with four shapes to circle",
      "image_file": null,
      "notes": "Interactive 'circle' task, type_id 0 (skipped on insert). Answer key Q11: circle the third item (filled square) in the answer box."
    },
    {
      "n": 12,
      "type_id": 0,
      "question": "One of the shapes is wrong. Spot the shape and cross it out. Then draw the correct shape in the answer box.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 61,
      "difficulty_id": 2,
      "explanation": "The repeating unit is circle-with-cross, triangle, inverted-triangle, circle-with-plus. The pattern is broken where a circle-with-cross appears instead of a circle-with-plus; the correct shape is a circle with a plus inside.",
      "hints": ["Find the repeating group of four shapes.", "Compare each group to find the odd one out."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q12",
      "image_needed": true,
      "image_options": false,
      "image_page": 6,
      "image_loc": "middle of page; a left-to-right row of circle/triangle shapes forming a pattern, with an empty answer box below",
      "image_file": null,
      "notes": "Interactive cross-out-and-draw task, type_id 0 (skipped on insert). Answer key Q12: draw a circle with a plus inside (circle-with-plus)."
    },
    {
      "n": 13,
      "type_id": 1,
      "question": "Gopal and [?] scored the same number of points.",
      "answer0": "Ming",
      "answer1": "Ahmad",
      "answer2": "Jasmine",
      "answer3": "Lily",
      "correct_answer": 2,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Each star represents 4 points. Gopal has 4 stars and Jasmine has 4 stars, so both scored the same.",
      "hints": ["Each star stands for 4 points.", "Find the two children with the same number of stars."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q13",
      "image_needed": true,
      "image_options": false,
      "image_page": 7,
      "image_loc": "top of page; picture graph 'Number of Points Scored in a Math Quiz' with columns Gopal/Ming/Ahmad/Jasmine/Lily of star symbols, each star = 4 points",
      "image_file": null,
      "notes": "Part (a) of Q13, word/label answer converted to MCQ. Answer key Q13a = Jasmine = 0-based index 2."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "How many more points did Ahmad score than Ming? [?] - [?] = [?] Ahmad scored [?] points more than Ming.",
      "answer0": "24",
      "answer1": "8",
      "answer2": "16",
      "answer3": "16",
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Each star = 4 points. Ahmad has 6 stars = 24 points; Ming has 2 stars = 8 points. 24 - 8 = 16 points more.",
      "hints": ["Each star stands for 4 points.", "Find Ahmad's total and Ming's total, then subtract."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q14",
      "image_needed": true,
      "image_options": false,
      "image_page": 7,
      "image_loc": "top of page; same 'Number of Points Scored in a Math Quiz' picture graph as Q13, each star = 4 points",
      "image_file": null,
      "notes": "Part (b) of paper Q13 (number-equation + answer statement) converted to FIB. Answer key Q13b: 24 - 8 = 16; Ahmad scored 16 points more than Ming."
    },
    {
      "n": 15,
      "type_id": 1,
      "question": "Amy, May and Sue collected some stickers. [?] collected the least number of stickers.",
      "answer0": "Amy",
      "answer1": "May",
      "answer2": "Sue",
      "answer3": "Amy and Sue",
      "correct_answer": 1,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Each face = 5 stickers. Amy has 6 faces = 30; May has 1 face = 5; Sue has 3 faces = 15. May has the least.",
      "hints": ["Each smiley face stands for 5 stickers.", "Find each child's total and compare."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q15",
      "image_needed": true,
      "image_options": false,
      "image_page": 8,
      "image_loc": "top of page; picture graph 'Number of Stickers Collected' with rows Amy/May/Sue of smiley-face symbols, each face = 5 stickers",
      "image_file": null,
      "notes": "Part (a) of paper Q14, word/label answer converted to MCQ. Answer key Q14a = May = 0-based index 1."
    },
    {
      "n": 16,
      "type_id": 2,
      "question": "How many stickers did Amy and Sue collect in all? [?] + [?] = [?] Amy and Sue collected [?] stickers in all.",
      "answer0": "30",
      "answer1": "15",
      "answer2": "45",
      "answer3": "45",
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Each face = 5 stickers. Amy has 6 faces = 30; Sue has 3 faces = 15. 30 + 15 = 45 stickers in all.",
      "hints": ["Each smiley face stands for 5 stickers.", "Find Amy's total and Sue's total, then add."],
      "source": "Maha Bodhi 2023 P2 Topical Review 3 Q16",
      "image_needed": true,
      "image_options": false,
      "image_page": 8,
      "image_loc": "top of page; same 'Number of Stickers Collected' picture graph as Q15, each face = 5 stickers",
      "image_file": null,
      "notes": "Part (b) of paper Q14 (number-equation + answer statement) converted to FIB. Answer key Q14b: 30 + 15 = 45; Amy and Sue collected 45 stickers in all."
    }
  ]
}