{
  "paper": {
    "school": "Raffles Girls",
    "year": 2023,
    "level": "P2",
    "label": "Revision 3",
    "source_prefix": "Raffles Girls 2023 P2 Revision 3",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "The length of the stamp is _____ cm long.",
      "answer0": "9",
      "answer1": "2",
      "answer2": "7",
      "answer3": "4",
      "correct_answer": 3,
      "skill_id": 50,
      "difficulty_id": 1,
      "explanation": "The stamp runs from the 5 cm mark to the 9 cm mark on the ruler. 9 - 5 = 4. So the stamp is 4 cm long.",
      "hints": ["Find where the stamp begins and ends on the ruler.", "Subtract the start mark from the end mark."],
      "source": "Raffles Girls 2023 P2 Revision 3 Q1",
      "image_needed": true,
      "image_options": false,
      "image_page": 1,
      "image_loc": "centre of page, stamp resting on a ruler below the question",
      "image_file": "q1.png",
      "notes": "Answer key (Booklet A Q1) = option 4 (value 4 cm). Stamp spans 5 cm to 9 cm marks."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "The total length of string A and string B is 470 cm. The total length of string A and string C is 640 cm. If string B is 283 cm, find the length of string C.",
      "answer0": "170 cm",
      "answer1": "365 cm",
      "answer2": "187 cm",
      "answer3": "453 cm",
      "correct_answer": 3,
      "skill_id": 54,
      "difficulty_id": 3,
      "explanation": "String A = 470 - 283 = 187 cm. String C = 640 - 187 = 453 cm.",
      "hints": ["First find string A from the total of A and B.", "Then subtract string A from the total of A and C to find string C."],
      "source": "Raffles Girls 2023 P2 Revision 3 Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key (Booklet A Q2) = option 4 (453 cm)."
    },
    {
      "n": 3,
      "type_id": 2,
      "question": "The total length of the paper clip and the crayon is about [?] cm.",
      "answer0": "9",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 53,
      "difficulty_id": 2,
      "explanation": "The paper clip is about 3 cm and the crayon is about 6 cm. 3 + 6 = 9 cm.",
      "hints": ["Measure each object against the ruler.", "Add the two lengths together."],
      "source": "Raffles Girls 2023 P2 Revision 3 Q3",
      "image_needed": true,
      "image_options": false,
      "image_page": 2,
      "image_loc": "upper portion of page, paper clip and crayon resting on a ruler",
      "image_file": "q3.png",
      "notes": "Answer key (Booklet B Q3) = 9 cm."
    },
    {
      "n": 4,
      "type_id": 2,
      "question": "The key is [?] cm shorter than the pencil.",
      "answer0": "5",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 53,
      "difficulty_id": 2,
      "explanation": "The pencil is about 9 cm long and the key is about 4 cm long. 9 - 4 = 5 cm.",
      "hints": ["Find the length of each object on the ruler.", "Subtract the shorter length from the longer length."],
      "source": "Raffles Girls 2023 P2 Revision 3 Q4",
      "image_needed": true,
      "image_options": false,
      "image_page": 2,
      "image_loc": "lower portion of page, a key and a pencil resting on a ruler",
      "image_file": "q4.png",
      "notes": "Answer key (Booklet B Q4) = 5 cm."
    },
    {
      "n": 5,
      "type_id": 2,
      "question": "The length of a car is 3 m. The total length of 3 such cars and a truck is 19 m. What is the length of the truck?",
      "answer0": "10",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 2,
      "explanation": "3 cars = 3 + 3 + 3 = 9 m. Truck = 19 - 9 = 10 m.",
      "hints": ["Find the total length of the 3 cars first.", "Subtract the cars' total length from 19 m."],
      "source": "Raffles Girls 2023 P2 Revision 3 Q5",
      "image_needed": true,
      "image_options": false,
      "image_page": 3,
      "image_loc": "upper portion of page, three cars and a truck under a 19 m span bracket",
      "image_file": "q5.png",
      "notes": "Stripped 'as shown below'. Answer key (Booklet B Q5): 3+3+3=9, 19-9=10 m."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "The length of ribbons A and B, are shown. Find the length of ribbon B.",
      "answer0": "28",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 2,
      "explanation": "Ribbon A is 45 m. Ribbon B plus the extra 17 m reaches the same end as A, so ribbon B = 45 - 17 = 28 m.",
      "hints": ["Ribbon A and ribbon B end at the same point.", "Subtract the 17 m overhang from ribbon A's length."],
      "source": "Raffles Girls 2023 P2 Revision 3 Q6",
      "image_needed": true,
      "image_options": false,
      "image_page": 3,
      "image_loc": "middle of page, two horizontal bars labelled A (45 m) and B with a 17 m segment",
      "image_file": "q6.png",
      "notes": "Stripped 'below'. Answer key (Booklet B Q6) = 45-17 = 28 m."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "Rachel cycled 950 m. She cycled 270 m further than Kristal. How far did Kristal cycle?",
      "answer0": "680",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 2,
      "explanation": "Kristal cycled 950 - 270 = 680 m.",
      "hints": ["Rachel cycled more than Kristal.", "Subtract 270 m from Rachel's distance."],
      "source": "Raffles Girls 2023 P2 Revision 3 Q7",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key (Booklet B Q7) = 950-270 = 680 m."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "Mrs Lee used 5 m of cloth to make a set of curtains. She made 3 sets of curtains. How much cloth did she use altogether?",
      "answer0": "15",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 54,
      "difficulty_id": 2,
      "explanation": "5 m per set x 3 sets = 15 m altogether.",
      "hints": ["Each set uses the same amount of cloth.", "Multiply the cloth per set by the number of sets."],
      "source": "Raffles Girls 2023 P2 Revision 3 Q8",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Answer key (Booklet B Q8) = 5 x 3 = 15 m."
    }
  ]
}
