{
  "paper": {
    "school": "Maha Bodhi",
    "year": 2025,
    "level": "P3",
    "label": "Weighted Assessment 2",
    "source_prefix": "Maha Bodhi 2025 P3 Weighted Assessment 2",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "The bar graph shows the number of storybooks that the children read in December. How many books did Raj and Shanti read altogether?",
      "answer0": "25",
      "answer1": "19",
      "answer2": "15",
      "answer3": "4",
      "correct_answer": 1,
      "skill_id": 104,
      "difficulty_id": 2,
      "explanation": "Read the bar graph: Raj read 15 storybooks and Shanti read 4 storybooks. Total = 15 + 4 = 19.",
      "hints": ["Find the bar length for Raj and for Shanti.", "Add the two values together."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q1",
      "image_needed": true,
      "image_options": false,
      "image_file": "q1.png",
      "image_page": 1,
      "image_bbox": [0.20, 0.55, 0.86, 0.70],
      "image_loc": "horizontal bar graph 'Storybooks Read in December', middle of page below the question",
      "notes": "Key=option 2 (19). Raj=15, Shanti=4."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "How many acute angles are there inside the figure?",
      "answer0": "6",
      "answer1": "2",
      "answer2": "3",
      "answer3": "4",
      "correct_answer": 1,
      "skill_id": 99,
      "difficulty_id": 2,
      "explanation": "The arrow-shaped figure has a notch on the left and a point on the right. The two angles at the left notch are acute (smaller than a right angle), giving 2 acute angles.",
      "hints": ["An acute angle is smaller than a right angle (corner of a square).", "Check the pointed and notched corners only."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": "q2.png",
      "image_page": 2,
      "image_bbox": [0.30, 0.14, 0.62, 0.26],
      "image_loc": "arrow/banner-shaped polygon near top of page below the question",
      "notes": "Key=option 2 (2 acute angles)."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "Which of the following shows that 1/4 of the figure is shaded?",
      "answer0": "Figure 1",
      "answer1": "Figure 2",
      "answer2": "Figure 3",
      "answer3": "Figure 4",
      "correct_answer": 3,
      "skill_id": 42,
      "difficulty_id": 2,
      "explanation": "Compare shaded part to whole in each option. Option 4 (the rhombus split into equal triangles) has exactly one quarter of its equal parts shaded, so it shows 1/4.",
      "hints": ["Count the total equal parts, then the shaded parts.", "1/4 means 1 part shaded out of every 4 equal parts."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q3",
      "image_needed": true,
      "image_options": true,
      "image_file": null,
      "image_page": 2,
      "image_bbox": [0.24, 0.48, 0.50, 0.94],
      "image_loc": "four labelled option figures (1)-(4) stacked down the page",
      "notes": "Key=option 4. image_options: crop each option to q3_opt0.png..q3_opt3.png (opt0=Fig1 top .. opt3=Fig4 bottom)."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "The figure is made up of equal squares. Henry wants to have 2/3 of the figure shaded. How many more squares does he need to shade?",
      "answer0": "1",
      "answer1": "8",
      "answer2": "7",
      "answer3": "4",
      "correct_answer": 2,
      "skill_id": 42,
      "difficulty_id": 3,
      "explanation": "The strip is made of 12 equal squares. 2/3 of 12 = 8 squares must be shaded. One square is already shaded, so he needs to shade 8 − 1 = 7 more squares.",
      "hints": ["First count the total number of equal squares.", "Find 2/3 of the total, then subtract the squares already shaded."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q4",
      "image_needed": true,
      "image_options": false,
      "image_file": "q4.png",
      "image_page": 3,
      "image_bbox": [0.22, 0.24, 0.52, 0.32],
      "image_loc": "horizontal strip of equal squares with one square shaded, upper-middle of page",
      "notes": "Key=option 3 (7). Total 12 squares, 2/3=8, already 1 shaded, 8-1=7."
    },
    {
      "n": 5,
      "type_id": 1,
      "question": "Arrange these fractions from the greatest to the smallest. 1/2 , 3/8 , 7/9",
      "answer0": "3/8 , 1/2 , 7/9",
      "answer1": "1/2 , 3/8 , 7/9",
      "answer2": "7/9 , 1/2 , 3/8",
      "answer3": "7/9 , 3/8 , 1/2",
      "correct_answer": 2,
      "skill_id": 79,
      "difficulty_id": 2,
      "explanation": "As decimals: 1/2 = 0.5, 3/8 = 0.375, 7/9 ≈ 0.78. Greatest to smallest: 7/9, 1/2, 3/8.",
      "hints": ["Convert each fraction to a decimal to compare.", "List from the largest value down to the smallest."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key=option 3 (7/9, 1/2, 3/8)."
    },
    {
      "n": 6,
      "type_id": 1,
      "question": "The diagram shows lines on a square grid. Which of the following is true?",
      "answer0": "BC // AG",
      "answer1": "CD // FG",
      "answer2": "AB ⊥ BC",
      "answer3": "AB ⊥ AG",
      "correct_answer": 3,
      "skill_id": 100,
      "difficulty_id": 2,
      "explanation": "AB slopes one way and AG slopes the opposite way; at point A they meet to form a right angle, so AB is perpendicular to AG (AB ⊥ AG).",
      "hints": ["// means parallel (same direction); ⊥ means perpendicular (meet at a right angle).", "Check the corner at point A."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": "q6.png",
      "image_page": 4,
      "image_bbox": [0.26, 0.16, 0.54, 0.34],
      "image_loc": "square grid with points A,B,C,D,E,F,G and drawn lines, upper-middle of page",
      "notes": "Key=option 4 (AB ⊥ AG)."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "Mark the remaining angles inside the shape. How many right angle(s) are there? [?]",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 99,
      "difficulty_id": 2,
      "explanation": "The shape is a pentagon with a pointed right end. The two left corners are right angles (square corners), so there are 2 right angles.",
      "hints": ["A right angle looks like the corner of a square.", "Check each corner of the shape."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q7",
      "image_needed": true,
      "image_options": false,
      "image_file": "q7.png",
      "image_page": 5,
      "image_bbox": [0.26, 0.25, 0.62, 0.38],
      "image_loc": "pentagon / arrow-house shape, upper-middle of page below part (a)",
      "notes": "Only part (b) is a value answer; part (a) 'mark the angles' is interactive and dropped. Key Q7b=2 right angles."
    },
    {
      "n": 8,
      "type_id": 0,
      "question": "A line PQ is drawn in the square grid. Draw a line parallel to PQ passing through point R.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 101,
      "difficulty_id": 2,
      "explanation": "PQ rises 2 units up for every 5 units across. Draw a line through R with the same slope (2 up, 5 across), so it is parallel to PQ.",
      "hints": ["Parallel lines have the same slope/direction.", "Count PQ's steps across and up, then repeat from R."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q8",
      "image_needed": true,
      "image_options": false,
      "image_file": "q8.png",
      "image_page": 5,
      "image_bbox": [0.28, 0.62, 0.60, 0.86],
      "image_loc": "square grid with line PQ and point R, lower-middle of page",
      "notes": "Interactive draw-a-line task; type_id 0, skipped on insert. Answer: line through R parallel to PQ (slope 2 up / 5 across)."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "Write 14/42 in its simplest form. [?]",
      "answer0": "1/3",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 78,
      "difficulty_id": 1,
      "explanation": "Divide numerator and denominator by their highest common factor, 14: 14/42 = (14÷14)/(42÷14) = 1/3.",
      "hints": ["Find a common factor of 14 and 42.", "Both divide by 14."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key=1/3."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "The graph shows the number of paper clips in four different boxes. How many paper clips must be taken from Box B and placed in Box D so that the two boxes will have the same number of paper clips? [?]",
      "answer0": "12",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 104,
      "difficulty_id": 3,
      "explanation": "Box B = 44, Box D = 20. Total = 44 + 20 = 64. Equal share = 64 ÷ 2 = 32 each. Box B must lose 44 − 32 = 12 (so move 12 to Box D).",
      "hints": ["Add Box B and Box D, then split the total equally.", "The amount moved makes each box reach that equal amount."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q10",
      "image_needed": true,
      "image_options": false,
      "image_file": "q10.png",
      "image_page": 6,
      "image_bbox": [0.16, 0.34, 0.92, 0.66],
      "image_loc": "vertical bar graph 'Paper Clips Collection' for Box A-D, upper-middle of page",
      "notes": "Key working: 44+20=64, 64÷2=32, 32 from B; move 12. Answer=12."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Amber ate 1/8 of a pizza and Danny ate 1/4 of the same pizza. What fraction of the pizza was left? [?]",
      "answer0": "5/8",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 81,
      "difficulty_id": 2,
      "explanation": "Whole = 1. Eaten = 1/8 + 1/4 = 1/8 + 2/8 = 3/8. Left = 1 − 3/8 = 5/8.",
      "hints": ["Make the fractions have the same denominator (eighths).", "Subtract the total eaten from 1 whole."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q11",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 1 − 1/8 − 2/8 = 5/8."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "What is the missing fraction in the box? [?] + 1/10 = 2/5",
      "answer0": "3/10",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 81,
      "difficulty_id": 2,
      "explanation": "Missing = 2/5 − 1/10. Convert: 2/5 = 4/10, so 4/10 − 1/10 = 3/10.",
      "hints": ["Subtract 1/10 from 2/5.", "Convert 2/5 to tenths first (4/10)."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q12",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 2/5 − 1/10 = 3/10."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Mr Lim packed some muffins and fruit tarts into boxes. He packed 3 muffins and 6 fruit tarts into each box. There was a total of 174 fruit tarts in all the boxes. How many muffins did Mr Lim pack altogether? [?]",
      "answer0": "87",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 3,
      "explanation": "Number of boxes = 174 ÷ 6 = 29. Muffins = 29 × 3 = 87.",
      "hints": ["Use the fruit tarts to find how many boxes there were.", "Then multiply boxes by muffins per box."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q13",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 174÷6=29 boxes, 29×3=87 muffins."
    },
    {
      "n": 14,
      "type_id": 2,
      "question": "Marvin had 278 more cards than Sally at first. After Sally gave 87 cards to Marvin, Marvin had 3 times as many cards as Sally. How many cards did Sally have in the end? [?]",
      "answer0": "226",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 3,
      "explanation": "After the transfer the difference grew by 87 twice: difference = 278 + 87 + 87 = 452. Marvin is 3 times Sally, so the difference is 2 units = 452, meaning 1 unit (Sally's cards in the end) = 452 ÷ 2 = 226.",
      "hints": ["After Sally gives away 87 and Marvin gains 87, the gap increases by 87+87.", "Marvin = 3 × Sally, so the gap equals 2 of Sally's units."],
      "source": "Maha Bodhi 2025 P3 Weighted Assessment 2 Q14",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 2 units = 87+278+87 = 452, 1 unit = 226. Sally end = 226."
    }
  ]
}