{
  "paper": {
    "school": "Raffles Girls",
    "year": 2024,
    "level": "P2",
    "label": "Quiz 4-5-6",
    "source_prefix": "Raffles Girls 2024 P2 Quiz 4-5-6",
    "has_answer_key": true,
    "notes": "Combined document: Worksheet 4 (pages 1-4), Worksheet 5 (pages 5-8), Worksheet 6 (pages 9-14), answer keys (pages 15-18). Questions numbered sequentially Q1-Q19 across the three worksheets; each question's worksheet origin recorded in notes."
  },
  "questions": [
    {
      "n": 1,
      "type_id": 2,
      "question": "3 + 3 + 3 + 3 = [?]\n[?] groups of 3 = [?]\n4 × 3 = [?]",
      "answer0": "12",
      "answer1": "4",
      "answer2": "12",
      "answer3": "12",
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "Four groups of 3: 3+3+3+3 = 12, which is 4 groups of 3 = 12, and 4 × 3 = 12.",
      "hints": ["Count how many 3s are added.", "Repeated addition of equal groups is multiplication."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS4 Q1a. Answer key: 4 groups of 3 = 12, 4 × 3 = 12."
    },
    {
      "n": 2,
      "type_id": 2,
      "question": "4 + 4 + 4 + 4 + 4 = [?]\n[?] groups of [?] = [?]",
      "answer0": "20",
      "answer1": "5",
      "answer2": "4",
      "answer3": "20",
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "Five 4s added together: 4+4+4+4+4 = 20, which is 5 groups of 4 = 20.",
      "hints": ["Count how many 4s are added.", "Number of groups × size of each group = total."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS4 Q1b. Answer key: 5 groups of 4 = 20."
    },
    {
      "n": 3,
      "type_id": 2,
      "question": "10 fours = [?]\n[?] × 4 = [?]",
      "answer0": "40",
      "answer1": "10",
      "answer2": "40",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "10 fours means 10 groups of 4: 10 × 4 = 40.",
      "hints": ["10 fours = 10 groups of 4.", "Use the 4 times table or count in 4s ten times."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q3",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS4 Q1c. Answer key: 10 fours = 40, 10 × 4 = 40."
    },
    {
      "n": 4,
      "type_id": 2,
      "question": "[?] × [?] = [?]\n[?] × [?] = [?]",
      "answer0": "3",
      "answer1": "2",
      "answer2": "6",
      "answer3": "2",
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "Three boxes each containing 2 stars: 3 × 2 = 6 and 2 × 3 = 6.",
      "hints": ["Count the number of boxes and the stars in each box.", "Multiplication can be written either way round."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 1,
      "image_loc": "bottom of page, below 'Complete the multiplication equations.' — three boxes each with 2 stars",
      "notes": "WS4 Q2a. Five extra answer blanks 5/6: 2,3,6 (for 2 × 3 = 6). Answer key: 3 × 2 = 6 and 2 × 3 = 6. Figure: 3 boxes of 2 stars."
    },
    {
      "n": 5,
      "type_id": 2,
      "question": "[?] × [?] = [?]\n[?] × [?] = [?]",
      "answer0": "5",
      "answer1": "3",
      "answer2": "15",
      "answer3": "3",
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "Five boxes each containing 3 smiley faces: 5 × 3 = 15 and 3 × 5 = 15.",
      "hints": ["Count the boxes and the faces in each box.", "Use the 3 times table or the 5 times table."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q5",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 2,
      "image_loc": "top of page, the row of 5 boxes each with 3 smiley faces",
      "notes": "WS4 Q2b. Extra blanks 5/6: 5,15 (for 3 × 5 = 15). Answer key: 5 × 3 = 15 and 3 × 5 = 15. Figure: 5 boxes of 3 faces."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "[?] ÷ [?] = [?]",
      "answer0": "18",
      "answer1": "6",
      "answer2": "3",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 37,
      "difficulty_id": 1,
      "explanation": "Divide 18 apples into 6 equal groups: 18 ÷ 6 = 3 apples in each group.",
      "hints": ["Total apples ÷ number of groups = apples per group.", "18 shared equally among 6."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 2,
      "image_loc": "middle of page, the row of 18 apples below 'Divide 18 apples into 6 equal groups.'",
      "notes": "WS4 Q3a. Answer key: 18 ÷ 6 = 3. Figure: 18 apples."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "[?] ÷ [?] = [?]",
      "answer0": "16",
      "answer1": "8",
      "answer2": "2",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 37,
      "difficulty_id": 1,
      "explanation": "Divide 16 flowers into 8 equal groups: 16 ÷ 8 = 2 flowers in each group.",
      "hints": ["Total flowers ÷ number of groups = flowers per group.", "16 shared equally among 8."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q7",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 2,
      "image_loc": "lower half of page, the 16 flowers below 'Divide 16 flowers into 8 equal groups.'",
      "notes": "WS4 Q3b. Answer key: 16 ÷ 8 = 2. Figure: 16 flowers."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "[?] × [?] = [?]\n[?] × [?] = [?]\n12 ÷ [?] = [?]\n[?] ÷ [?] = [?]",
      "answer0": "2",
      "answer1": "6",
      "answer2": "12",
      "answer3": "6",
      "correct_answer": null,
      "skill_id": 38,
      "difficulty_id": 2,
      "explanation": "Two trays of 6 cupcakes give 12 cupcakes. The fact family: 2 × 6 = 12, 6 × 2 = 12, 12 ÷ 2 = 6, 12 ÷ 6 = 2.",
      "hints": ["Count the cupcakes on each tray and the number of trays.", "One total gives two multiplication and two division facts."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q8",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 3,
      "image_loc": "upper-middle of page, the two cupcake stands (6 cupcakes each)",
      "notes": "WS4 Q4a. Full fact family — blanks in order: 2×6=12, 6×2=12, 12÷2=6, 12÷6=2. answer0-3 cover first row + start of div; remaining values 2,12,6 / 12,6,2 per key. Figure: 2 stands of 6 cupcakes."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "There are 5 pencils in a pack. Jenny buys 4 packs. How many pencils does Jenny buy?\n[?] × [?] = [?]",
      "answer0": "4",
      "answer1": "5",
      "answer2": "20",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 1,
      "explanation": "4 packs × 5 pencils each = 20 pencils. Jenny buys 20 pencils.",
      "hints": ["Number of packs × pencils per pack.", "Use the 5 times table."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS4 Q5a. Answer key: 4 × 5 = 20, Jenny buys 20 pencils."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "Peter and his three brothers share 12 oranges. Each boy gets the same number of oranges. How many oranges does each boy get?\n[?] ÷ [?] = [?]",
      "answer0": "12",
      "answer1": "4",
      "answer2": "3",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 2,
      "explanation": "Peter and three brothers are 4 boys. 12 oranges ÷ 4 boys = 3 oranges each.",
      "hints": ["Peter plus 3 brothers makes 4 boys.", "Share the total equally: total ÷ number of boys."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q10",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS4 Q5b. Answer key: 12 ÷ 4 = 3, each boy gets 3 oranges."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "[?] × [?] = [?]",
      "answer0": "4",
      "answer1": "2",
      "answer2": "8",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "Four plates each with 2 oranges: 4 × 2 = 8.",
      "hints": ["Count the plates and the oranges on each plate.", "Use the 2 times table."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q11",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 5,
      "image_loc": "upper half of page, the four plates each holding 2 oranges",
      "notes": "WS5 Q1a. Answer key: 4 × 2 = 8. Figure: 4 plates of 2 oranges."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "[?] × [?] = [?]",
      "answer0": "3",
      "answer1": "5",
      "answer2": "15",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "Three groups each with 5 bows: 3 × 5 = 15.",
      "hints": ["Count the groups and the bows in each group.", "Use the 5 times table."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q12",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 5,
      "image_loc": "lower half of page, the three groups of 5 bows",
      "notes": "WS5 Q1b. Answer key: 3 × 5 = 15. Figure: 3 groups of 5 bows."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "[?] × [?] = [?]\n[?] × [?] = [?]",
      "answer0": "7",
      "answer1": "10",
      "answer2": "70",
      "answer3": "10",
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 2,
      "explanation": "Seven rows of 10 sweets: 7 × 10 = 70 and 10 × 7 = 70.",
      "hints": ["Count the rows and the sweets in each row.", "Use the 10 times table."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q13",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 6,
      "image_loc": "top of page, the 7-row by 10-column array of sweets",
      "notes": "WS5 Q2a. Extra blanks 5/6: 7,70 (for 10 × 7 = 70). Answer key: 7 × 10 = 70 and 10 × 7 = 70. Figure: 7×10 sweets array."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "[?] × [?] = [?]\n[?] × [?] = [?]",
      "answer0": "2",
      "answer1": "6",
      "answer2": "12",
      "answer3": "6",
      "correct_answer": null,
      "skill_id": 36,
      "difficulty_id": 1,
      "explanation": "Two groups each with 6 eggs: 2 × 6 = 12 and 6 × 2 = 12.",
      "hints": ["Count the groups and the eggs in each group.", "Use the 6 or 2 times table."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q14",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 6,
      "image_loc": "lower half of page, the two groups of 6 decorated eggs",
      "notes": "WS5 Q2b. Extra blanks 5/6: 2,12 (for 6 × 2 = 12). Answer key: 2 × 6 = 12 and 6 × 2 = 12. Figure: 2 groups of 6 eggs."
    },
    {
      "n": 15,
      "type_id": 2,
      "question": "Use the numbers 5, 10 and 2 to form division equations.\n[?] ÷ [?] = [?]\n[?] ÷ [?] = [?]",
      "answer0": "10",
      "answer1": "2",
      "answer2": "5",
      "answer3": "10",
      "correct_answer": null,
      "skill_id": 38,
      "difficulty_id": 2,
      "explanation": "Using 5, 10 and 2: 10 ÷ 2 = 5 and 10 ÷ 5 = 2.",
      "hints": ["The largest number is the one being divided.", "Two division facts come from the same trio."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q15",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS5 Q3a. Extra blanks 5/6: 5,2 (for 10 ÷ 5 = 2). Answer key: 10 ÷ 2 = 5 and 10 ÷ 5 = 2. Number-card prompt rendered as text; cards 5,10,2."
    },
    {
      "n": 16,
      "type_id": 2,
      "question": "Use the numbers 18, 2 and 9 to form a multiplication equation and a division equation.\n[?] × [?] = [?]\n[?] ÷ [?] = [?]",
      "answer0": "2",
      "answer1": "9",
      "answer2": "18",
      "answer3": "18",
      "correct_answer": null,
      "skill_id": 38,
      "difficulty_id": 2,
      "explanation": "Using 18, 2 and 9: 2 × 9 = 18 (also 9 × 2 = 18) and 18 ÷ 2 = 9 (also 18 ÷ 9 = 2).",
      "hints": ["The largest number is the product / dividend.", "Multiplication and division are related facts."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q16",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS5 Q3b. Four blanks shown (× and ÷); the printed grid has a 2x2 of equation rows. Accepted: 2×9=18 / 9×2=18 and 18÷2=9 / 18÷9=2. Number cards 18,2,9. No worked key printed for Q3b on the answer sheet; derived from the cards."
    },
    {
      "n": 17,
      "type_id": 2,
      "question": "There are 5 stickers in a pack. Lisa buys 6 packs of stickers. How many stickers will she get?\n[?] × [?] = [?]",
      "answer0": "6",
      "answer1": "5",
      "answer2": "30",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 1,
      "explanation": "6 packs × 5 stickers each = 30 stickers. She will get 30 stickers.",
      "hints": ["Number of packs × stickers per pack.", "Use the 5 times table."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q17",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS5 Q4a. Answer key: 6 × 5 = 30, she will get 30 stickers."
    },
    {
      "n": 18,
      "type_id": 2,
      "question": "Mrs Lee gives 20 apples to her pupils. Each pupil receives 2 apples. How many pupils are there in her class?\n[?] ÷ [?] = [?]",
      "answer0": "20",
      "answer1": "2",
      "answer2": "10",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 40,
      "difficulty_id": 1,
      "explanation": "20 apples ÷ 2 apples per pupil = 10 pupils.",
      "hints": ["Total apples ÷ apples per pupil = number of pupils.", "Use the 2 times table."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q18",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS5 Q4b. Answer key: 20 ÷ 2 = 10, there are 10 pupils in her class."
    },
    {
      "n": 19,
      "type_id": 1,
      "question": "A pencil and a canned drink are placed on a balance. The pencil side is up and the canned drink side is down. Which is heavier?",
      "answer0": "The canned drink is heavier.",
      "answer1": "The pencil is heavier.",
      "answer2": "They are equal in mass.",
      "answer3": "Cannot tell from the balance.",
      "correct_answer": 0,
      "skill_id": 53,
      "difficulty_id": 1,
      "explanation": "On a balance the heavier object sinks lower. The canned drink side is lower, so the canned drink is heavier and the pencil is lighter.",
      "hints": ["The lower pan holds the heavier object.", "The raised pan holds the lighter object."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q19",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 9,
      "image_loc": "middle of page, balance scale with 'pencil' on the higher pan and 'canned drink' on the lower pan",
      "notes": "WS6 Q1. Two-part original (heavier/lighter) combined into one MCQ. Answer key: canned drink heavier, pencil lighter."
    },
    {
      "n": 20,
      "type_id": 2,
      "question": "The mass of the packet of cereal is [?] g.",
      "answer0": "400",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 50,
      "difficulty_id": 1,
      "explanation": "The weights balancing the cereal are 200 g + 100 g + 100 g = 400 g.",
      "hints": ["Add up all the weights on the other side.", "200 + 100 + 100."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q20",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 9,
      "image_loc": "bottom of page, balance with the cereal packet on the left and 200 g + 100 g + 100 g weights on the right",
      "notes": "WS6 Q2a. Answer key: 400 g. Unit 'g' supplied in stem so answer is the number 400."
    },
    {
      "n": 21,
      "type_id": 2,
      "question": "The mass of the book is [?] kg.",
      "answer0": "1",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 50,
      "difficulty_id": 1,
      "explanation": "The 5 kg scale pointer points to 1, so the book is 1 kg.",
      "hints": ["Read where the needle points on the dial.", "The dial goes up to 5 kg."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q21",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 10,
      "image_loc": "top-left, a book on a 5 kg dial scale (part b)",
      "notes": "WS6 Q2b. Answer key: 1 kg. Unit 'kg' supplied in stem."
    },
    {
      "n": 22,
      "type_id": 2,
      "question": "The mass of the vase is [?] kg.",
      "answer0": "5",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 50,
      "difficulty_id": 1,
      "explanation": "The 10 kg scale pointer points to 5, so the vase is 5 kg.",
      "hints": ["Read where the needle points.", "The dial goes up to 10 kg."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q22",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 10,
      "image_loc": "top-right, a vase on a 10 kg dial scale (part c)",
      "notes": "WS6 Q2c. Answer key: 5 kg. Unit 'kg' supplied in stem."
    },
    {
      "n": 23,
      "type_id": 2,
      "question": "The mass of the durian is [?] g.",
      "answer0": "780",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 50,
      "difficulty_id": 1,
      "explanation": "The needle on the 1000 g dial points to 780, so the durian is 780 g.",
      "hints": ["Read the needle on the dial graduated in 100 g.", "It is between 700 and 800."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q23",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 10,
      "image_loc": "bottom-left, a durian on a 1000 g dial scale (part d)",
      "notes": "WS6 Q2d. Answer key: 780 g. Unit 'g' supplied in stem."
    },
    {
      "n": 24,
      "type_id": 2,
      "question": "The mass of the corn is [?] g.",
      "answer0": "970",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 50,
      "difficulty_id": 1,
      "explanation": "The needle on the 1000 g dial points to 970, so the corn is 970 g.",
      "hints": ["Read the needle on the dial graduated in 100 g.", "It is just below 1000."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q24",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 10,
      "image_loc": "bottom-right, corn on a 1000 g dial scale (part e)",
      "notes": "WS6 Q2e. Answer key: 970 g. Unit 'g' supplied in stem."
    },
    {
      "n": 25,
      "type_id": 2,
      "question": "The mass of the packet drink is [?] g.",
      "answer0": "250",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 50,
      "difficulty_id": 1,
      "explanation": "The needle on the 500 g dial points to 250, so the packet drink is 250 g.",
      "hints": ["Read the needle on the dial graduated to 500 g.", "It is halfway between 200 and 300."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q25",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 11,
      "image_loc": "top-left, a packet drink on a 500 g dial scale (part f)",
      "notes": "WS6 Q2f. Answer key: 250 g. Unit 'g' supplied in stem."
    },
    {
      "n": 26,
      "type_id": 2,
      "question": "The mass of the teapot is about [?] kg.",
      "answer0": "1",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 50,
      "difficulty_id": 1,
      "explanation": "The needle on the 5 kg dial points to about 1, so the teapot is about 1 kg.",
      "hints": ["Read where the needle points on the 5 kg dial.", "It is near the 1 mark."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q26",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 11,
      "image_loc": "top-right, a teapot on a 5 kg dial scale (part g)",
      "notes": "WS6 Q2g. Answer key: about 1 kg. Unit 'kg' supplied in stem."
    },
    {
      "n": 27,
      "type_id": 2,
      "question": "The mass of the watermelon is about [?] kg.",
      "answer0": "6",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 50,
      "difficulty_id": 1,
      "explanation": "The needle on the 10 kg dial points to about 6, so the watermelon is about 6 kg.",
      "hints": ["Read where the needle points on the 10 kg dial.", "It is near the 6 mark."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q27",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 11,
      "image_loc": "bottom-left, a watermelon on a 10 kg dial scale (part h)",
      "notes": "WS6 Q2h. Answer key: about 6 kg. Unit 'kg' supplied in stem."
    },
    {
      "n": 28,
      "type_id": 2,
      "question": "The mass of the bag is about [?] kg.",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 50,
      "difficulty_id": 1,
      "explanation": "The needle on the 5 kg dial points to about 2, so the bag is about 2 kg.",
      "hints": ["Read where the needle points on the 5 kg dial.", "It is near the 2 mark."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q28",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 11,
      "image_loc": "bottom-right, a bag on a 5 kg dial scale (part i)",
      "notes": "WS6 Q2i. Answer key: about 2 kg. Unit 'kg' supplied in stem."
    },
    {
      "n": 29,
      "type_id": 2,
      "question": "Arrange the following items, beginning with the heaviest: pot (5 kg), plates (2 kg), cups (3 kg).\n[?], [?], [?]",
      "answer0": "pot",
      "answer1": "cups",
      "answer2": "plates",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 53,
      "difficulty_id": 1,
      "explanation": "Order from heaviest to lightest by mass: pot 5 kg, cups 3 kg, plates 2 kg.",
      "hints": ["Compare the kilogram readings on each scale.", "Largest mass comes first."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q29",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 12,
      "image_loc": "top of page, three digital scales: pot 5kg, plates 2kg, cups 3kg",
      "notes": "WS6 Q3. Ordering task → FIB, heaviest first. Answer key: pot, cups, plates."
    },
    {
      "n": 30,
      "type_id": 1,
      "question": "Four objects A, B, C and D are weighed on balances. B is heavier than A; C and A balance equally; D is lighter than B. Which statement is correct?",
      "answer0": "C is as heavy as A, and D is the lightest.",
      "answer1": "A is as heavy as B, and C is the lightest.",
      "answer2": "C is as heavy as B, and A is the lightest.",
      "answer3": "D is as heavy as A, and B is the lightest.",
      "correct_answer": 0,
      "skill_id": 53,
      "difficulty_id": 2,
      "explanation": "From the balances: C and A balance, so C is as heavy as A. Comparing all four, D is the lightest.",
      "hints": ["A level balance means equal mass.", "The pan that drops holds the heavier object."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q30",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 12,
      "image_loc": "lower half of page, three balance diagrams comparing B vs A, C vs A (level), and D vs B",
      "notes": "WS6 Q4. Two fill-blanks ('__ is as heavy as __' and '__ is the lightest') combined into one MCQ. Answer key: C is as heavy as A; D is the lightest."
    },
    {
      "n": 31,
      "type_id": 2,
      "question": "Mrs Lim sold 480 kg of white sugar. She also sold 370 kg of brown sugar. How many kilograms of sugar did Mrs Lim sell altogether?\n[?] + [?] = [?]",
      "answer0": "480",
      "answer1": "370",
      "answer2": "850",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 2,
      "explanation": "480 kg + 370 kg = 850 kg of sugar altogether.",
      "hints": ["Add the two masses together.", "480 + 370."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q31",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS6 Q5. Answer key: 370 + 480 = 850, she sold 850 kg altogether."
    },
    {
      "n": 32,
      "type_id": 2,
      "question": "The total mass of a cupcake and a muffin is 190 g. The cupcake weighs 76 g. What is the mass of the muffin?\n[?] - [?] = [?]",
      "answer0": "190",
      "answer1": "76",
      "answer2": "114",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 2,
      "explanation": "190 g - 76 g = 114 g. The mass of the muffin is 114 g.",
      "hints": ["Subtract the cupcake's mass from the total.", "190 - 76."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q32",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS6 Q6. Answer key: 190 - 76 = 114, the mass of the muffin is 114 g."
    },
    {
      "n": 33,
      "type_id": 2,
      "question": "Parcel X weighs 240 g. Parcel Y weighs 60 g heavier than Parcel X. What is the mass of Parcel Y?\n[?] + [?] = [?]",
      "answer0": "240",
      "answer1": "60",
      "answer2": "300",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 2,
      "explanation": "Parcel Y is 60 g heavier than Parcel X: 240 g + 60 g = 300 g.",
      "hints": ["'Heavier than' means add.", "240 + 60."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q33",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS6 Q7. Answer key: 240 + 60 = 300, the mass of Parcel Y is 300 g."
    },
    {
      "n": 34,
      "type_id": 2,
      "question": "A box of sweets and 3 similar tins of biscuits weigh 11 kg. The box of sweets weighs 2 kg. How heavy is a tin of biscuits?\n[?] - [?] = [?]\n[?] ÷ [?] = [?]",
      "answer0": "11",
      "answer1": "2",
      "answer2": "9",
      "answer3": "9",
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 3,
      "explanation": "First find the mass of the 3 tins: 11 kg - 2 kg = 9 kg. Then divide among 3 tins: 9 kg ÷ 3 = 3 kg per tin.",
      "hints": ["Take away the box of sweets first.", "Then share the remaining mass equally among the 3 tins."],
      "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q34",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "WS6 Q8 (marked 8* / challenging). Two-step. Extra blanks 5/6: 3,3 (for 9 ÷ 3 = 3). Answer key: 11 - 2 = 9, 9 ÷ 3 = 3, a tin of biscuits is 3 kg."
    }
  ]
}