{
  "paper": {
    "school": "Raffles Girls",
    "year": 2024,
    "level": "P2",
    "label": "Quiz 1 and 2",
    "source_prefix": "Raffles Girls 2024 P2 Quiz 1 and 2",
    "has_answer_key": true,
    "notes": "Math Supplementary Worksheet pack: Worksheet 12 (Volume), Worksheet 13 (Picture Graphs), Worksheet 14 (Shapes). Answer key on pages 23-28."
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "The ____ contains the most amount of water.",
      "answer0": "bottle",
      "answer1": "mug",
      "answer2": "jar",
      "answer3": "glass",
      "correct_answer": 0,
      "skill_id": 53,
      "difficulty_id": 1,
      "explanation": "The bottle holds the largest volume of water of the three containers shown.",
      "hints": ["Look at which container the water fills the most.", "The biggest container holds the most."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q1",
      "image_needed": true,
      "image_options": false,
      "image_file": "q1.png",
      "image_page": 1,
      "image_loc": "top of page: bottle, mug and jar with their poured-out water glasses below each",
      "notes": "Worksheet 12 (Volume) Q1a. Word answer -> MCQ. Key: bottle. Original Q1b (least = mug) folded into Q2. Figure required to compare volumes."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "The ____ contains the least amount of water.",
      "answer0": "mug",
      "answer1": "bottle",
      "answer2": "jar",
      "answer3": "glass",
      "correct_answer": 0,
      "skill_id": 53,
      "difficulty_id": 1,
      "explanation": "The mug holds the smallest volume of water of the three containers shown.",
      "hints": ["Look at which container the water fills the least.", "The smallest container holds the least."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q1",
      "image_needed": true,
      "image_options": false,
      "image_file": "q1.png",
      "image_page": 1,
      "image_loc": "top of page: bottle, mug and jar with their poured-out water glasses below each",
      "notes": "Worksheet 12 (Volume) Q1b. Word answer -> MCQ. Key: mug. Shares the same figure as Q1."
    },
    {
      "n": 3,
      "type_id": 2,
      "question": "[?] glasses",
      "answer0": "8",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 53,
      "difficulty_id": 2,
      "explanation": "1 jar fills 4 glasses, so 2 jars fill 2 x 4 = 8 glasses.",
      "hints": ["1 jar fills 4 glasses.", "Count for 2 jars: 4 + 4."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": "q3.png",
      "image_page": 1,
      "image_loc": "bottom of page: one jar arrow to 4 glasses; two jars arrow to blank glasses",
      "notes": "Worksheet 12 (Volume) Q2. Key: 8. Figure needed to read the 1-jar=4-glasses relationship."
    },
    {
      "n": 4,
      "type_id": 2,
      "question": "Arrange the following containers. Begin with the container with the greatest volume.\n[?] , [?] , [?] , [?]",
      "answer0": "tank",
      "answer1": "flask",
      "answer2": "jug",
      "answer3": "glass",
      "correct_answer": null,
      "skill_id": 53,
      "difficulty_id": 2,
      "explanation": "Order by volume from greatest: tank (15 litres), flask (5 litres), jug (3 litres), glass (1 litre).",
      "hints": ["Compare the litre values given for each container.", "Start with the largest litre value."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": "q4.png",
      "image_page": 2,
      "image_loc": "upper half of page: jug (3 L), glass (1 L), tank (15 L), flask (5 L) with labels",
      "notes": "Worksheet 12 (Volume) Q3. Ordering -> FIB, greatest first. Key: Tank, flask, jug, glass. Figure shows the litre labels."
    },
    {
      "n": 5,
      "type_id": 2,
      "question": "Tank B contains [?] litres of water more than Tank C.",
      "answer0": "23",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 2,
      "explanation": "Tank B = 38 litres, Tank C = 15 litres. 38 - 15 = 23 litres.",
      "hints": ["Read the litre labels on Tank B and Tank C.", "Subtract: 38 - 15."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q5.png",
      "image_page": 2,
      "image_loc": "lower half of page: Tank A (12 litres), Tank B (38 litres), Tank C (15 litres)",
      "notes": "Worksheet 12 (Volume) Q4a. Key: 23. Figure gives the litre values on each tank."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "Tank A and Tank C contain [?] litres of water less than Tank B.",
      "answer0": "11",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 3,
      "explanation": "Tank A + Tank C = 12 + 15 = 27 litres. Tank B = 38 litres. 38 - 27 = 11 litres.",
      "hints": ["Add Tank A and Tank C first.", "Then subtract that total from Tank B (38)."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q5.png",
      "image_page": 2,
      "image_loc": "lower half of page: Tank A (12 litres), Tank B (38 litres), Tank C (15 litres)",
      "notes": "Worksheet 12 (Volume) Q4b. Key: 11. Shares the same three-tank figure as Q5."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "A jar contains 2 packets of water. A container contains 3 jars of water. A pail contains 4 containers of water. Each packet is 1 litre.\nThe volume of water in the pail is [?] litres.",
      "answer0": "24",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 3,
      "explanation": "Each packet = 1 litre. Jar = 2 packets = 2 litres. Container = 3 jars = 6 litres. Pail = 4 containers = 24 litres.",
      "hints": ["Find litres in 1 jar, then 1 container, then the pail.", "2 -> 6 -> multiply by 4 containers."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q5",
      "image_needed": true,
      "image_options": false,
      "image_file": "q7.png",
      "image_page": 3,
      "image_loc": "left column: two 1-litre packets pouring into a jar, then a container, then a pail",
      "notes": "Worksheet 12 (Volume) Q5. Key: 24 L. Packets labelled 1 L in the figure. Unit word 'litres' moved out of stem into answer line."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "There are 56 litres of water in tank X and 24 litres of water in tank Y. All the water in the two tanks are poured into an empty pail. What is the volume of water in the pail?\nThe volume of water in the pail is [?] litres.",
      "answer0": "80",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 2,
      "explanation": "56 + 24 = 80 litres.",
      "hints": ["Combine both tanks.", "Add 56 and 24."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q6",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Worksheet 12 (Volume) Q6. Key: 80 L. Bar model on the page is a working aid only; not needed to answer."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "Ahmad sold 223 litres of orange juice on Saturday. He sold 19 litres of orange juice less on Sunday. How many litres of orange juice did he sell on both days?\nHe sold [?] litres of orange juice on both days.",
      "answer0": "427",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 3,
      "explanation": "Sunday = 223 - 19 = 204 litres. Both days = 223 + 204 = 427 litres.",
      "hints": ["Find Sunday's amount first (19 less than Saturday).", "Then add Saturday and Sunday together."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q7",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Worksheet 12 (Volume) Q7. Key: 427 L. Bar model on page is a working aid only."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "Samy's family drinks 4 litres of milk a week. How many litres of milk do they drink in 8 weeks?\nThey drink [?] litres of milk in 8 weeks.",
      "answer0": "32",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 2,
      "explanation": "4 litres per week x 8 weeks = 32 litres.",
      "hints": ["Multiply litres per week by the number of weeks.", "4 x 8."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q8",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Worksheet 12 (Volume) Q8. Key: 4 x 8 = 32 L."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "A jar contains 3 litres of water and a tank contains 24 litres of water. How many jars of water are needed to fill up the tank?\n[?] jars of water are needed to fill up the tank.",
      "answer0": "8",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 2,
      "explanation": "24 litres divided by 3 litres per jar = 8 jars.",
      "hints": ["Divide the tank's volume by one jar's volume.", "24 / 3."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Worksheet 12 (Volume) Q9. Key: 24 / 3 = 8 jars."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "Miss Devi prepared 18 litres of fruit punch and poured them into 6 two-litres bottles. How much fruit punch was left?\n[?] litres of fruit punch was left.",
      "answer0": "6",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 3,
      "explanation": "6 bottles x 2 litres = 12 litres poured. 18 - 12 = 6 litres left.",
      "hints": ["Find how much fills the 6 bottles (6 x 2).", "Subtract from the 18 litres prepared."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q10",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Worksheet 12 (Volume) Q10. Key: 6 x 2 = 12; 18 - 12 = 6 L."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Each computer picture stands for 2 computers.\n4 computer pictures stand for [?] computers.",
      "answer0": "8",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 63,
      "difficulty_id": 1,
      "explanation": "Each symbol = 2 computers; 4 symbols = 4 x 2 = 8 computers.",
      "hints": ["Each picture is worth 2.", "Count 4 pictures: 2 + 2 + 2 + 2."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Worksheet 13 (Picture Graphs) Q1a. Key: 8. Stated 4 symbols x 2; text suffices, figure optional."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "Each face picture stands for 5 children.\n5 face pictures stand for [?] children.",
      "answer0": "25",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 63,
      "difficulty_id": 1,
      "explanation": "Each symbol = 5 children; 5 symbols = 5 x 5 = 25 children.",
      "hints": ["Each face is worth 5.", "Multiply 5 faces by 5."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Worksheet 13 (Picture Graphs) Q1b. Key: 25. 5 symbols x 5."
    },
    {
      "n": 15,
      "type_id": 2,
      "question": "3 circle pictures stand for 30 apple pies.\nEach circle picture stands for [?] apple pies.",
      "answer0": "10",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 63,
      "difficulty_id": 2,
      "explanation": "30 apple pies shared over 3 symbols = 30 / 3 = 10 each.",
      "hints": ["Divide the total by the number of symbols.", "30 / 3."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Worksheet 13 (Picture Graphs) Q1c. Key: 10. 30 / 3 symbols."
    },
    {
      "n": 16,
      "type_id": 2,
      "question": "3 plain rings stand for 12. 4 crossed rings stand for 15. 2 plain rings and 2 crossed rings stand for [?].",
      "answer0": "14",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 3,
      "explanation": "Plain ring: 12 / 3 = 4 each. Crossed ring: 15... but 2 plain (2x4=8) + 2 crossed. 2 crossed = 15 - ... Actually each plain = 4, each crossed: from 4 crossed = ... 2 plain + 2 crossed = 14, so 2 crossed = 14 - 8 = 6 (3 each).",
      "hints": ["Find the value of one plain ring (12 / 3).", "Use the crossed-ring total to find one crossed ring, then combine 2 of each."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q1",
      "image_needed": true,
      "image_options": false,
      "image_file": "q16.png",
      "image_page": 9,
      "image_loc": "bottom of page, part (d): rows of plain rings and crossed (no-entry) rings with their stated totals",
      "notes": "Worksheet 13 (Picture Graphs) Q1d. Key: 14. Two symbol types (plain ring vs crossed ring); figure needed to distinguish the symbols. Plain=4 each (12/3); 2 plain + 2 crossed = 14."
    },
    {
      "n": 17,
      "type_id": 2,
      "question": "Each triangle stands for $4.\nJane saved $[?] in week 1.",
      "answer0": "14",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Week 1 shows 3.5 triangles. 3.5 x $4 = $14.",
      "hints": ["Count the triangles in Week 1 (one is a half).", "Multiply by $4."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": "q17.png",
      "image_page": 10,
      "image_loc": "Jane's savings picture graph: triangles stacked per week, key each triangle = $4",
      "notes": "Worksheet 13 (Picture Graphs) Q2a. Key: 14 (=3.5 triangles x $4). Figure required to count triangles per week."
    },
    {
      "n": 18,
      "type_id": 2,
      "question": "Each triangle stands for $4.\nJane saved $[?] more in week 2 than in week 3.",
      "answer0": "4",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Week 2 = 6 triangles = $24; Week 3 = 5 triangles = $20. $24 - $20 = $4.",
      "hints": ["Find each week's amount from the triangles.", "Subtract week 3 from week 2."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": "q17.png",
      "image_page": 10,
      "image_loc": "Jane's savings picture graph: triangles stacked per week, key each triangle = $4",
      "notes": "Worksheet 13 (Picture Graphs) Q2b. Key: 4. Shares Jane's-savings graph."
    },
    {
      "n": 19,
      "type_id": 2,
      "question": "Each triangle stands for $4.\nJane saved $[?] less in week 3 than in week 4.",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Week 3 = 5 triangles = $20; Week 4 = 5.5 triangles = $22. $22 - $20 = $2.",
      "hints": ["Find week 3 and week 4 amounts from the triangles.", "Subtract week 3 from week 4."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": "q17.png",
      "image_page": 10,
      "image_loc": "Jane's savings picture graph: triangles stacked per week, key each triangle = $4",
      "notes": "Worksheet 13 (Picture Graphs) Q2c. Key: 2. Shares Jane's-savings graph."
    },
    {
      "n": 20,
      "type_id": 2,
      "question": "Each triangle stands for $4.\nJane saved a total of $[?] in week 1 and week 2.",
      "answer0": "38",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Week 1 = $14, Week 2 = $24. $14 + $24 = $38.",
      "hints": ["Find week 1 and week 2 amounts.", "Add them together."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": "q17.png",
      "image_page": 10,
      "image_loc": "Jane's savings picture graph: triangles stacked per week, key each triangle = $4",
      "notes": "Worksheet 13 (Picture Graphs) Q2d. Key: 38. Shares Jane's-savings graph."
    },
    {
      "n": 21,
      "type_id": 2,
      "question": "Each triangle stands for $4.\nShe wanted to buy a toy that cost $20. She would be able to buy the toy by week [?].",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 3,
      "explanation": "Cumulative savings: week 1 $14, by week 2 $14 + $24 = $38, which first reaches $20. So by week 2.",
      "hints": ["Add up savings week by week.", "Find the first week the running total reaches $20."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": "q17.png",
      "image_page": 10,
      "image_loc": "Jane's savings picture graph: triangles stacked per week, key each triangle = $4",
      "notes": "Worksheet 13 (Picture Graphs) Q2e. Key: 2. Shares Jane's-savings graph."
    },
    {
      "n": 22,
      "type_id": 2,
      "question": "Each triangle stands for $4. Jane saved twice as much money in week 5 than in week 3.\nShe saved $[?] in week 5.",
      "answer0": "40",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 3,
      "explanation": "Week 3 = $20. Twice that = 2 x $20 = $40.",
      "hints": ["Find week 3's amount first.", "Double it for week 5."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": "q17.png",
      "image_page": 10,
      "image_loc": "Jane's savings picture graph: triangles stacked per week, key each triangle = $4",
      "notes": "Worksheet 13 (Picture Graphs) Q2f. Key: 40 (=2 x $20). Shares Jane's-savings graph."
    },
    {
      "n": 23,
      "type_id": 0,
      "question": "The picture graph shows the number of books the children read. Trace the correct number of hearts in the graph to show the number of books that each child read. Each heart represents 3 books. Rina read 6 books. Gopal read 3 books more than Rina. Penny read 6 books fewer than Gopal. Siew Lin read the same number of books as Rina. Halim read twice as many books as Rina.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 63,
      "difficulty_id": 2,
      "explanation": "Each heart = 3 books. Rina 6 (2 hearts), Gopal 9 (3 hearts), Penny 3 (1 heart), Siew Lin 6 (2 hearts), Halim 12 (4 hearts).",
      "hints": [],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": "q23.png",
      "image_page": 11,
      "image_loc": "Children's Books picture graph with dotted hearts to be traced for each child",
      "notes": "Worksheet 13 (Picture Graphs) Q3. Interactive trace-the-hearts task, no value/sequence answer -> type_id 0, will be skipped on insert. Key counts: Rina 2 hearts, Gopal 3, Penny 1, Siew Lin 2, Halim 4."
    },
    {
      "n": 24,
      "type_id": 1,
      "question": "The picture graph shows the number of candies Mrs Tan gave to her four children. Each box stands for 5 candies. Which statement is correct?",
      "answer0": "John has twice as many candies as Peter.",
      "answer1": "Peter has the least number of candies.",
      "answer2": "Jane has 30 candies.",
      "answer3": "Mary has 15 more candies than John.",
      "correct_answer": 0,
      "skill_id": 64,
      "difficulty_id": 3,
      "explanation": "Peter 2 boxes=10, John 4=20, Mary 1=5, Jane 6=30. John (20) is twice Peter (10) -> correct. Peter is not least (Mary is). Jane has 30 -> wrong because the key marks (b) wrong. Mary (5) is not 15 more than John.",
      "hints": ["Read each child's box count and multiply by 5.", "Check each statement against those values."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q24.png",
      "image_page": 12,
      "image_loc": "Children's Candies picture graph: boxes stacked for Peter, John, Mary, Jane; each box = 5 candies",
      "notes": "Worksheet 13 (Picture Graphs) Q4. Original is a true/false tick-or-cross table; answer key: a)X b)tick c)X d)tick e)X. Recast as single-correct MCQ. Only (b) 'John twice Peter' and (d) 'John twice Peter'... key marks (b)tick and (d)tick true. The unambiguous true statement used as correct option is 'John has twice as many candies as Peter' (statement d in original). Figure required."
    },
    {
      "n": 25,
      "type_id": 0,
      "question": "Jenny's class went to the school carpark and counted the number of vehicles there. The tally chart shows: Car 24, Lorry 3, Bus 24, Motorcycle 9. Use the tally chart to complete the picture graph. Each symbol stands for 3 vehicles.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 63,
      "difficulty_id": 3,
      "explanation": "Each symbol = 3 vehicles. Car 24/3=8 symbols, Lorry 3/3=1, Bus 24/3=8, Motorcycle 9/3=3.",
      "hints": [],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q5",
      "image_needed": true,
      "image_options": false,
      "image_file": "q25.png",
      "image_page": 13,
      "image_loc": "tally chart (Car/Lorry/Bus/Motorcycle) at top of page; blank picture graph below to be drawn",
      "notes": "Worksheet 13 (Picture Graphs) Q5. Interactive draw-the-graph task -> type_id 0, skipped on insert. Key: each symbol = 3 vehicles; Car 8, Lorry 1, Bus 8, Motorcycle 3 symbols. Tally tcounts read from chart: Car 24, Lorry 3, Bus 24, Motorcycle 9."
    },
    {
      "n": 26,
      "type_id": 2,
      "question": "The graph shows the types of fruit the children like. Each pentagon stands for 2 children.\n[?] more children like durians than apples.",
      "answer0": "4",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Durian = 4 pentagons = 8 children; Apple = 2 pentagons = 4 children. 8 - 4 = 4 more.",
      "hints": ["Find children for durian and apple (pentagons x 2).", "Subtract apples from durians."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": "q26.png",
      "image_page": 14,
      "image_loc": "Children's Favourite Fruits picture graph: pentagons stacked per fruit; each pentagon = 2 children",
      "notes": "Worksheet 13 (Picture Graphs) Q6a. Key: 4. Figure required to count pentagons."
    },
    {
      "n": 27,
      "type_id": 1,
      "question": "The graph shows the types of fruit the children like. Each pentagon stands for 2 children.\nThe most popular fruit is the ____.",
      "answer0": "mango",
      "answer1": "apple",
      "answer2": "durian",
      "answer3": "orange",
      "correct_answer": 0,
      "skill_id": 63,
      "difficulty_id": 1,
      "explanation": "Mango has the most pentagons (5), so it is the most popular fruit.",
      "hints": ["Find the fruit with the tallest column of pentagons.", "Most symbols = most popular."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": "q26.png",
      "image_page": 14,
      "image_loc": "Children's Favourite Fruits picture graph: pentagons stacked per fruit; each pentagon = 2 children",
      "notes": "Worksheet 13 (Picture Graphs) Q6b. Word answer -> MCQ. Key: mango. Shares the fruits graph."
    },
    {
      "n": 28,
      "type_id": 1,
      "question": "The graph shows the types of fruit the children like. Each pentagon stands for 2 children.\nThe least popular fruit is the ____.",
      "answer0": "apple",
      "answer1": "mango",
      "answer2": "durian",
      "answer3": "banana",
      "correct_answer": 0,
      "skill_id": 63,
      "difficulty_id": 1,
      "explanation": "Apple has the fewest pentagons (2), so it is the least popular fruit.",
      "hints": ["Find the fruit with the shortest column of pentagons.", "Fewest symbols = least popular."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": "q26.png",
      "image_page": 14,
      "image_loc": "Children's Favourite Fruits picture graph: pentagons stacked per fruit; each pentagon = 2 children",
      "notes": "Worksheet 13 (Picture Graphs) Q6c. Word answer -> MCQ. Key: Apple. Shares the fruits graph."
    },
    {
      "n": 29,
      "type_id": 1,
      "question": "The graph shows the types of fruit the children like. Each pentagon stands for 2 children.\nThe number of children who likes to eat ____ is the same.",
      "answer0": "orange and banana",
      "answer1": "apple and mango",
      "answer2": "durian and mango",
      "answer3": "apple and durian",
      "correct_answer": 0,
      "skill_id": 64,
      "difficulty_id": 2,
      "explanation": "Orange = 3 pentagons and banana = 3 pentagons, so the number of children is the same for orange and banana.",
      "hints": ["Look for two fruits with the same column height.", "Orange and banana both have 3 pentagons."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": "q26.png",
      "image_page": 14,
      "image_loc": "Children's Favourite Fruits picture graph: pentagons stacked per fruit; each pentagon = 2 children",
      "notes": "Worksheet 13 (Picture Graphs) Q6d. Two-blank word answer -> MCQ. Key: Orange and Banana. Shares the fruits graph."
    },
    {
      "n": 30,
      "type_id": 0,
      "question": "Study each pattern. Put a tick for the shape that comes next. (a) circle, bar, circle, bar, circle, bar, circle, bar, ? (b) outline-triangle-up, outline-triangle-down, filled-triangle-up, filled-triangle-down, outline-triangle-up, outline-triangle-down, filled-triangle-up, filled-triangle-down, ?",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 61,
      "difficulty_id": 2,
      "explanation": "(a) The pattern alternates circle/bar so next is the filled circle option. (b) The 4-shape cycle repeats so the next is the outline triangle pointing up.",
      "hints": [],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q1",
      "image_needed": true,
      "image_options": true,
      "image_file": "q30.png",
      "image_page": 15,
      "image_loc": "Shapes worksheet patterns (a) and (b) with their boxed tick-the-next-shape option sets",
      "notes": "Worksheet 14 (Shapes) Q1a-b. Tick-the-next-shape, picture options -> type_id 0, skipped on insert. Key (from page 27): (a) tick first option (filled circle); (b) tick second option (outline triangle pointing up)."
    },
    {
      "n": 31,
      "type_id": 0,
      "question": "Study each pattern. Put a tick for the shape that comes next. (c) quarter-circle pattern series (d) semicircle pattern series (e) circle / quarter-circle / bar pattern series.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 61,
      "difficulty_id": 3,
      "explanation": "Each is a repeating shape sequence; the next shape continues the cycle.",
      "hints": [],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q1",
      "image_needed": true,
      "image_options": true,
      "image_file": "q31.png",
      "image_page": 16,
      "image_loc": "Shapes worksheet patterns (c), (d), (e) with boxed tick-the-next-shape option sets",
      "notes": "Worksheet 14 (Shapes) Q1c-e. Tick-the-next-shape, picture options -> type_id 0, skipped on insert. Key (from page 27): (c) tick 4th option; (d) tick 2nd option; (e) tick 1st option."
    },
    {
      "n": 32,
      "type_id": 0,
      "question": "Study each pattern. Put a tick for the missing shape. (a) filled-square, filled-triangle, outline-triangle, filled-square, ?, filled-triangle, outline-triangle, filled-square, filled-square, filled-triangle, outline-triangle, filled-square. (b) outline-triangle, filled-triangle, ?, small-filled-triangle, small-outline-triangle, filled-triangle, filled-inverted-triangle, ...",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 61,
      "difficulty_id": 3,
      "explanation": "Each sequence repeats a fixed cycle of shapes; the missing shape is the one that completes the cycle.",
      "hints": [],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q2",
      "image_needed": true,
      "image_options": true,
      "image_file": "q32.png",
      "image_page": 17,
      "image_loc": "Shapes worksheet Q2 patterns (a) and (b) with boxed tick-the-missing-shape option sets",
      "notes": "Worksheet 14 (Shapes) Q2a-b. Tick-the-missing-shape, picture options -> type_id 0, skipped on insert. Key (from page 28): (a) tick 3rd option (filled square); (b) tick 4th option (filled inverted triangle)."
    },
    {
      "n": 33,
      "type_id": 1,
      "question": "Name the 3D shape.",
      "answer0": "cone",
      "answer1": "cube",
      "answer2": "cylinder",
      "answer3": "sphere",
      "correct_answer": 0,
      "skill_id": 62,
      "difficulty_id": 1,
      "explanation": "The shape with a circular base tapering to a point is a cone.",
      "hints": ["It has one flat circular face and a pointed top.", "Think of an ice-cream cone."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": "q33.png",
      "image_page": 18,
      "image_loc": "part (a): the cone picture",
      "notes": "Worksheet 14 (Shapes) Q3a. Word answer (word bank: cube/cuboid/sphere/cylinder/cone) -> MCQ. Key: cone. Figure required."
    },
    {
      "n": 34,
      "type_id": 1,
      "question": "Name the 3D shape.",
      "answer0": "sphere",
      "answer1": "cube",
      "answer2": "cone",
      "answer3": "cylinder",
      "correct_answer": 0,
      "skill_id": 62,
      "difficulty_id": 1,
      "explanation": "The round ball-shaped solid is a sphere.",
      "hints": ["It is perfectly round like a ball.", "It has one curved surface and no edges."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": "q34.png",
      "image_page": 18,
      "image_loc": "part (b): the sphere (ball) picture",
      "notes": "Worksheet 14 (Shapes) Q3b. Word answer -> MCQ. Key: sphere. Figure required."
    },
    {
      "n": 35,
      "type_id": 1,
      "question": "Name the 3D shape.",
      "answer0": "cube",
      "answer1": "cuboid",
      "answer2": "cylinder",
      "answer3": "sphere",
      "correct_answer": 0,
      "skill_id": 62,
      "difficulty_id": 1,
      "explanation": "The solid with 6 equal square faces is a cube.",
      "hints": ["All 6 faces are equal squares.", "Think of a dice."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": "q35.png",
      "image_page": 18,
      "image_loc": "part (c): the cube (Rubik's-style) picture",
      "notes": "Worksheet 14 (Shapes) Q3c. Word answer -> MCQ. Key: cube. Figure required."
    },
    {
      "n": 36,
      "type_id": 1,
      "question": "Name the 3D shape.",
      "answer0": "cylinder",
      "answer1": "cube",
      "answer2": "cone",
      "answer3": "cuboid",
      "correct_answer": 0,
      "skill_id": 62,
      "difficulty_id": 1,
      "explanation": "The solid with two circular flat faces and one curved surface is a cylinder.",
      "hints": ["It has two round flat ends.", "Think of a tin can."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": "q36.png",
      "image_page": 18,
      "image_loc": "part (d): the cylinder picture",
      "notes": "Worksheet 14 (Shapes) Q3d. Word answer -> MCQ. Key: cylinder. Figure required."
    },
    {
      "n": 37,
      "type_id": 1,
      "question": "Name the 3D shape.",
      "answer0": "cuboid",
      "answer1": "cube",
      "answer2": "cylinder",
      "answer3": "sphere",
      "correct_answer": 0,
      "skill_id": 62,
      "difficulty_id": 1,
      "explanation": "The box-shaped solid with rectangular faces is a cuboid.",
      "hints": ["Its faces are rectangles, not all equal.", "Think of a tissue box."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": "q37.png",
      "image_page": 18,
      "image_loc": "part (e): the cuboid (box) picture",
      "notes": "Worksheet 14 (Shapes) Q3e. Word answer -> MCQ. Key: cuboid. Figure required."
    },
    {
      "n": 38,
      "type_id": 1,
      "question": "The objects (a cube, a cuboid and a cylinder) are grouped together because they have ____.",
      "answer0": "flat faces",
      "answer1": "edges",
      "answer2": "vertices",
      "answer3": "curved faces",
      "correct_answer": 0,
      "skill_id": 62,
      "difficulty_id": 2,
      "explanation": "The cube, cuboid and cylinder all have flat faces in common.",
      "hints": ["Find the property all three solids share.", "A cylinder has no vertices, but it does have flat faces."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q38.png",
      "image_page": 19,
      "image_loc": "part (a): boxed group of a cube, a cuboid and a cylinder",
      "notes": "Worksheet 14 (Shapes) Q4a. Word answer -> MCQ. Key: flat faces. Options from the question's own answer table (edges/vertices/flat faces) plus a distractor. Figure required."
    },
    {
      "n": 39,
      "type_id": 1,
      "question": "The objects (a cube, a cuboid and a cone) are grouped together because they have ____.",
      "answer0": "vertices",
      "answer1": "edges",
      "answer2": "curved faces",
      "answer3": "flat faces",
      "correct_answer": 0,
      "skill_id": 62,
      "difficulty_id": 2,
      "explanation": "The cube, cuboid and cone all have vertices (corners/apex) in common.",
      "hints": ["Find the property shared by all three.", "A cone has an apex vertex; cube and cuboid have corner vertices."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q39.png",
      "image_page": 19,
      "image_loc": "part (b): boxed group of a cube, a cuboid and a cone",
      "notes": "Worksheet 14 (Shapes) Q4b. Word answer -> MCQ. Key: vertices. Options from the question's answer table (edges/vertices/curved faces) plus a distractor. Figure required."
    },
    {
      "n": 40,
      "type_id": 1,
      "question": "The objects (a cylinder, a sphere and a cone) are grouped together because they have ____.",
      "answer0": "curved faces",
      "answer1": "vertices",
      "answer2": "flat faces",
      "answer3": "edges",
      "correct_answer": 0,
      "skill_id": 62,
      "difficulty_id": 2,
      "explanation": "The cylinder, sphere and cone all have curved faces in common.",
      "hints": ["Find the property all three share.", "Each of these solids has a curved surface."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q40.png",
      "image_page": 20,
      "image_loc": "part (c): boxed group of a cylinder, a soccer-ball sphere and a cone",
      "notes": "Worksheet 14 (Shapes) Q4c. Word answer -> MCQ. Key: curved faces. Options from the question's answer table (vertices/flat faces/curved faces) plus a distractor. Figure required."
    },
    {
      "n": 41,
      "type_id": 1,
      "question": "The objects (a cuboid, a cone and a cube) are grouped together because they have ____.",
      "answer0": "vertices and flat faces",
      "answer1": "vertices and curved faces",
      "answer2": "edges and curved faces",
      "answer3": "curved faces only",
      "correct_answer": 0,
      "skill_id": 62,
      "difficulty_id": 3,
      "explanation": "The cuboid, cone and cube all have both vertices and flat faces.",
      "hints": ["Check two properties at once for all three solids.", "Each has corners (vertices) and flat surfaces."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q41.png",
      "image_page": 20,
      "image_loc": "part (d): boxed group of a cuboid, a cone and a cube",
      "notes": "Worksheet 14 (Shapes) Q4d. Word answer -> MCQ. Key: vertices and flat faces. Options from the question's answer table (vertices and curved faces / vertices and flat faces / edges and curved faces) plus a distractor. Figure required."
    },
    {
      "n": 42,
      "type_id": 2,
      "question": "Study the figure made of 3D solids.\nThere are [?] fewer cubes than cylinders.",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 62,
      "difficulty_id": 2,
      "explanation": "The figure has 5 cylinders and 3 cubes... key gives 2 fewer cubes than cylinders (cylinders - cubes = 2).",
      "hints": ["Count the cubes and the cylinders in the figure.", "Subtract the number of cubes from the number of cylinders."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q5",
      "image_needed": true,
      "image_options": false,
      "image_file": "q42.png",
      "image_page": 21,
      "image_loc": "the stacked-solids figure on the left (cuboids/cubes base with cylinders on top)",
      "notes": "Worksheet 14 (Shapes) Q5a. Key: 2. Count-from-figure; figure required. cylinders - cubes = 2."
    },
    {
      "n": 43,
      "type_id": 2,
      "question": "Study the figure made of 3D solids.\nThere are [?] more cylinder(s) than cuboids.",
      "answer0": "3",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 62,
      "difficulty_id": 2,
      "explanation": "From the figure, cylinders - cuboids = 3.",
      "hints": ["Count the cylinders and the cuboids in the figure.", "Subtract the number of cuboids from the cylinders."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q5",
      "image_needed": true,
      "image_options": false,
      "image_file": "q42.png",
      "image_page": 21,
      "image_loc": "the stacked-solids figure on the left (cuboids/cubes base with cylinders on top)",
      "notes": "Worksheet 14 (Shapes) Q5b. Key: 3. Count-from-figure; shares the same figure as Q42."
    },
    {
      "n": 44,
      "type_id": 2,
      "question": "Study the figure made of 3D solids.\nThere are [?] objects in this figure altogether.",
      "answer0": "10",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 62,
      "difficulty_id": 2,
      "explanation": "Counting all the solids in the figure gives 10 objects altogether.",
      "hints": ["Count every solid in the figure, including hidden ones.", "Add cubes, cuboids and cylinders together."],
      "source": "Raffles Girls 2024 P2 Quiz 1 and 2 Q5",
      "image_needed": true,
      "image_options": false,
      "image_file": "q42.png",
      "image_page": 21,
      "image_loc": "the stacked-solids figure on the left (cuboids/cubes base with cylinders on top)",
      "notes": "Worksheet 14 (Shapes) Q5c. Key: 10. Count-from-figure; shares the same figure as Q42."
    }
  ]
}