{
  "paper": {
    "school": "Tao Nan",
    "year": 2023,
    "level": "P3",
    "label": "Weighted Assessment",
    "source_prefix": "Tao Nan 2023 P3 Weighted Assessment",
    "has_answer_key": true,
    "notes": "Source PDF is a compound file containing Practice Paper 1, Weighted Assessment 2, and End-of-Year Review 2. This manifest ingests the WEIGHTED ASSESSMENT 2 section only (PDF pages 15-22; answer key on PDF page 32 under 'WEIGHTED ASSESSMENT 2'), matching the .url label 'weighted assessment'."
  },
  "questions": [
    {
      "n": 1,
      "type_id": 2,
      "question": "Write [?] in its simplest form.\n8/56",
      "answer0": "1/7",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 78,
      "difficulty_id": 1,
      "explanation": "8/56 = (8 divided by 8) / (56 divided by 8) = 1/7.",
      "hints": ["Find the greatest common factor of 8 and 56.", "Divide both numerator and denominator by 8."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 1/7."
    },
    {
      "n": 2,
      "type_id": 2,
      "question": "What is the missing numerator?\n8/12 - 1/3 = [?]/6",
      "answer0": "2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 81,
      "difficulty_id": 2,
      "explanation": "8/12 = 2/3. 2/3 - 1/3 = 1/3 = 2/6, so the missing numerator is 2.",
      "hints": ["Simplify 8/12 first.", "Make the fractions have the same denominator before subtracting."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 2 (the answer is the missing numerator over 6)."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "Which of the following letter has perpendicular lines?",
      "answer0": "A",
      "answer1": "N",
      "answer2": "X",
      "answer3": "E",
      "correct_answer": 3,
      "skill_id": 100,
      "difficulty_id": 1,
      "explanation": "The letter E is formed by a vertical line meeting horizontal lines at right angles, so it has perpendicular lines.",
      "hints": ["Perpendicular lines meet at a right angle (90 degrees).", "Look for two lines that form an L-shaped corner."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q3",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Letters shown as A N X E in the paper; converted to MCQ text options. Key: E (index 3)."
    },
    {
      "n": 4,
      "type_id": 0,
      "question": "Mark all the acute angles in the figure.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 99,
      "difficulty_id": 2,
      "explanation": "Identify and mark each interior angle that is smaller than a right angle (acute).",
      "hints": [],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q4",
      "image_needed": true,
      "image_page": 16,
      "image_loc": "below the question, middle of page; irregular arrow-like polygon",
      "image_options": false,
      "image_file": null,
      "notes": "Interactive mark-the-figure task; no value answer. type_id 0, skipped on insert. Key shows acute angles marked on the polygon."
    },
    {
      "n": 5,
      "type_id": 0,
      "question": "The total savings of the 4 children was $63. Draw the bar that represents Jane's savings. Shade it.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 102,
      "difficulty_id": 2,
      "explanation": "Mei Ling = $12, Daniel = $19, Eric = $17, total of these three = $48. Jane = $63 - $48 = $15, so draw and shade a bar to $15.",
      "hints": [],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q5",
      "image_needed": true,
      "image_page": 17,
      "image_loc": "top of page; 'Savings of Children' bar graph with bars for Mei Ling, Daniel, Jane (empty), Eric",
      "image_options": false,
      "image_file": null,
      "notes": "Draw-the-bar task; no value answer. type_id 0, skipped on insert. Jane's savings = $15."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "Daniel plans to use his savings to buy a pair of sports shoes. How much more money must he save if the sports shoes cost $90?",
      "answer0": "71",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 104,
      "difficulty_id": 2,
      "explanation": "Daniel's savings from the graph = $19. $90 - $19 = $71.",
      "hints": ["Read Daniel's savings from the bar graph.", "Subtract Daniel's savings from $90."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q6",
      "image_needed": true,
      "image_page": 17,
      "image_loc": "uses the 'Savings of Children' bar graph at top of page 17 (Daniel's bar = $19); shoes/$90 icon shown lower on page",
      "image_options": false,
      "image_file": null,
      "notes": "Answer in dollars. Key: 71 (i.e. $71). Depends on the bar graph (Daniel = $19)."
    },
    {
      "n": 7,
      "type_id": 1,
      "question": "In the figure, name the line parallel to BD.",
      "answer0": "AE",
      "answer1": "AF",
      "answer2": "BC",
      "answer3": "EC",
      "correct_answer": 0,
      "skill_id": 100,
      "difficulty_id": 2,
      "explanation": "In the figure, AE is the line that runs in the same direction as BD and never meets it, so AE is parallel to BD.",
      "hints": ["Parallel lines never meet and stay the same distance apart.", "Look for the line going the same way as BD."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q7",
      "image_needed": true,
      "image_page": 18,
      "image_loc": "top of page; rectangle with vertices A B C (top) and F E D (bottom) with diagonals drawn",
      "image_options": false,
      "image_file": null,
      "notes": "Originally short-answer ('AE // BD'); converted to MCQ. Key: AE (index 0). Distractors are other named segments in the figure."
    },
    {
      "n": 8,
      "type_id": 0,
      "question": "Draw a line perpendicular to the given line in the grid.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 101,
      "difficulty_id": 2,
      "explanation": "Draw a line that meets the given diagonal line at a right angle (90 degrees).",
      "hints": [],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q8",
      "image_needed": true,
      "image_page": 18,
      "image_loc": "lower half of page; square grid with a diagonal line drawn across it",
      "image_options": false,
      "image_file": null,
      "notes": "Draw-perpendicular-line task; no value answer. type_id 0, skipped on insert."
    },
    {
      "n": 9,
      "type_id": 1,
      "question": "Which tank(s) has / have more than 32 fish?",
      "answer0": "Tank C and Tank D",
      "answer1": "Tank C only",
      "answer2": "Tank D only",
      "answer3": "Tank B and Tank C",
      "correct_answer": 0,
      "skill_id": 102,
      "difficulty_id": 1,
      "explanation": "From the graph: Tank A = 12, Tank B = 28, Tank C = 48, Tank D = 36. Tanks with more than 32 fish are C (48) and D (36).",
      "hints": ["Read the number of fish for each tank from the bar graph.", "Pick the tanks whose value is greater than 32."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q9",
      "image_needed": true,
      "image_page": 19,
      "image_loc": "top of page; 'Fish owned by Adam' horizontal bar graph, Tanks A-D, x-axis 0 to 52",
      "image_options": false,
      "image_file": null,
      "notes": "Originally short-answer; converted to MCQ. Key: 'D and C' (index 0). Requires the bar graph."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "How many fish must be taken from Tank C and placed into Tank A so that the two tanks will have the same number of fish?",
      "answer0": "18",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 104,
      "difficulty_id": 2,
      "explanation": "Tank C = 48, Tank A = 12. Total = 60, so each should have 30. Move 48 - 30 = 18 fish from C to A.",
      "hints": ["Add the fish in Tank C and Tank A, then halve to find the equal amount.", "Subtract that equal amount from Tank C's total."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q10",
      "image_needed": true,
      "image_page": 19,
      "image_loc": "uses the 'Fish owned by Adam' bar graph at top of page 19 (Tank A = 12, Tank C = 48)",
      "image_options": false,
      "image_file": null,
      "notes": "Key: 18. Depends on the bar graph."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Benson and Hong Wei shared some marbles equally. After Hong Wei gave 28 marbles to Benson, how many more marbles did Benson have than Hong Wei?",
      "answer0": "56",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 71,
      "difficulty_id": 2,
      "explanation": "They started equal. Hong Wei gives 28 away (his count drops by 28) and Benson gains 28, so the difference is 28 + 28 = 56.",
      "hints": ["When one person gives away marbles, the difference changes by twice that amount.", "28 + 28 = 56."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q11",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: Benson had 56 marbles more than Hong Wei."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "Kelly and Melissa collect stamps. Together they collected 825 stamps. Melissa collected twice as many stamps as Kelly. How many more stamps did Melissa collect than Kelly?",
      "answer0": "275",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 76,
      "difficulty_id": 2,
      "explanation": "3 units = 825, so 1 unit (Kelly) = 275. Melissa = 550. Difference = 550 - 275 = 275.",
      "hints": ["Kelly is 1 unit and Melissa is 2 units, so 3 units = 825.", "The difference is 1 unit."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q12",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 275 (Melissa collected 275 more than Kelly)."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Susan painted 1/3 of the wall green and 1/6 of the same wall yellow. What fraction of the wall was painted? Give your answer in its simplest form.",
      "answer0": "1/2",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 81,
      "difficulty_id": 2,
      "explanation": "1/3 + 1/6 = 2/6 + 1/6 = 3/6 = 1/2.",
      "hints": ["Convert 1/3 to sixths.", "Add, then simplify 3/6."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q13",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 1/2."
    },
    {
      "n": 14,
      "type_id": 1,
      "question": "Mrs Lee bought 3 regular-sized pizzas topped with different ingredients. She cut the cheese pizza into 6 equal pieces, the chicken pizza into 8 equal pieces and the seafood pizza into 12 equal pieces. Jerry ate 2 pieces of Cheese pizza, Joel ate 3 pieces of Chicken pizza and Jane ate 4 pieces of the seafood pizza. Who ate the most pizza?",
      "answer0": "Jerry",
      "answer1": "Joel",
      "answer2": "Jane",
      "answer3": "They ate the same",
      "correct_answer": 1,
      "skill_id": 79,
      "difficulty_id": 3,
      "explanation": "Jerry = 2/6 = 8/24, Joel = 3/8 = 9/24, Jane = 4/12 = 8/24. 9/24 is the largest, so Joel ate the most.",
      "hints": ["Write each amount eaten as a fraction of one pizza.", "Use a common denominator of 24 to compare."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q14",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Originally 'who ate the most' fill-in; converted to MCQ with name options. Key: Joel (index 1). Pizza pictures are decorative; comparison is by fraction, so image not required."
    },
    {
      "n": 15,
      "type_id": 2,
      "question": "The figures are made up of dots. How many dots are required to form Figure 10?",
      "answer0": "32",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 69,
      "difficulty_id": 2,
      "explanation": "Figure 1 = 5 dots, and each figure adds 3 dots (Fig 2 = 8, Fig 3 = 11). Figure 10 = 5 + 3 x 9 = 5 + 27 = 32.",
      "hints": ["Find how many dots are added from one figure to the next.", "Figure n = 5 + 3 x (n - 1)."],
      "source": "Tao Nan 2023 P3 Weighted Assessment Q15",
      "image_needed": true,
      "image_page": 22,
      "image_loc": "top of page; three boxes labelled Figure 1, Figure 2, Figure 3 each containing a plus/cross arrangement of dots",
      "image_options": false,
      "image_file": null,
      "notes": "Key: 5 + (9 x 3) = 32 dots. Figure pattern image needed to establish the dot sequence."
    }
  ]
}