{
  "paper": {
    "school": "Catholic High",
    "year": 2022,
    "level": "P3",
    "label": "Weighted Assessment 3",
    "source_prefix": "Catholic High 2022 P3 Weighted Assessment 3",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "Which of the following figures shows that [1/3] of the figure is shaded?",
      "answer0": "Figure 1",
      "answer1": "Figure 2",
      "answer2": "Figure 3",
      "answer3": "Figure 4",
      "correct_answer": 2,
      "skill_id": 77,
      "difficulty_id": 2,
      "explanation": "Figure 3 is a 2x3 grid (6 equal parts) with 2 parts shaded; 2/6 = 1/3. The others do not show 1/3 shaded.",
      "hints": ["For 1/3, the figure must be divided into 3 equal parts (or a multiple of 3), with that fraction shaded.", "Count the total equal parts and the shaded parts; simplify the fraction."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q1",
      "image_needed": true,
      "image_options": true,
      "image_page": 1,
      "image_loc": "left side of page, four option figures (small shaded grids) stacked vertically below the question",
      "image_file": null,
      "notes": "Options are picture figures (shaded grids); crop each to q1_opt0.png..q1_opt3.png. Question uses fraction 1/3 (rendered as [1/3] above). Answer key: option 3 (0-based index 2)."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "What is 8 m 7 cm in centimetres?",
      "answer0": "87 cm",
      "answer1": "807 cm",
      "answer2": "870 cm",
      "answer3": "8007 cm",
      "correct_answer": 1,
      "skill_id": 86,
      "difficulty_id": 1,
      "explanation": "8 m = 800 cm. 800 cm + 7 cm = 807 cm.",
      "hints": ["1 m = 100 cm.", "Convert the metres to centimetres first, then add the extra centimetres."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q2",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Answer key: option 2 (0-based index 1)."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "Arrange the following fractions from the smallest to the greatest.\n\n[2/3], [5/9], [1/8]",
      "answer0": "[5/9], [2/3], [1/8]",
      "answer1": "[5/9], [1/8], [2/3]",
      "answer2": "[1/8], [2/3], [5/9]",
      "answer3": "[1/8], [5/9], [2/3]",
      "correct_answer": 3,
      "skill_id": 79,
      "difficulty_id": 2,
      "explanation": "1/8 = 0.125, 5/9 ~ 0.556, 2/3 ~ 0.667. Smallest to greatest: 1/8, 5/9, 2/3.",
      "hints": ["Convert each fraction to a decimal or a common denominator to compare.", "1/8 is clearly the smallest; compare 5/9 and 2/3 by a common denominator."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q3",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Fractions rendered inline as [a/b]. Answer key: option 4 (0-based index 3)."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "A dress and a T-shirt cost $41 altogether.\nThe dress costs $27.30. How much does the T-shirt cost?",
      "answer0": "$13.70",
      "answer1": "$14.70",
      "answer2": "$26.30",
      "answer3": "$68.30",
      "correct_answer": 0,
      "skill_id": 83,
      "difficulty_id": 1,
      "explanation": "$41.00 - $27.30 = $13.70.",
      "hints": ["The two items together make $41.", "Subtract the dress price from the total to find the T-shirt price."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q4",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Answer key: option 1 (0-based index 0)."
    },
    {
      "n": 5,
      "type_id": 2,
      "question": "The number line is marked at equal interval. Find the missing fraction in the box.\n\n[1/10], [2/10], [3/10], [?], [5/10]",
      "answer0": "[4/10]",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 69,
      "difficulty_id": 1,
      "explanation": "The marks increase by 1/10 each interval: 1/10, 2/10, 3/10, 4/10, 5/10. The missing fraction is 4/10.",
      "hints": ["Look at how much the numerator increases between each mark.", "Each step adds 1/10."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q5",
      "image_needed": true,
      "image_options": false,
      "image_page": 3,
      "image_loc": "upper-middle of page, horizontal number line with five marks labelled 1/10, 2/10, 3/10, [?] box, 5/10",
      "image_file": null,
      "notes": "Number line figure. Answer key: 4/10 (verbatim, not simplified to 2/5)."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "800 m + 1300 m = [?] km [?] m",
      "answer0": "2",
      "answer1": "100",
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 86,
      "difficulty_id": 2,
      "explanation": "800 m + 1300 m = 2100 m = 2 km 100 m (since 1 km = 1000 m).",
      "hints": ["Add the two lengths in metres first.", "1000 m = 1 km; split the total into km and the remaining m."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q6",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Two-blank compound-unit answer: 2 km, 100 m. Answer key: 2 km 100 m."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "[5/12] - [1/4] = [?]\nGive your answer in its simplest form.",
      "answer0": "[1/6]",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 81,
      "difficulty_id": 2,
      "explanation": "1/4 = 3/12. 5/12 - 3/12 = 2/12 = 1/6.",
      "hints": ["Make the denominators the same (use twelfths).", "Subtract the numerators, then simplify the result."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q7",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Answer key: 1/6 (simplest form)."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "[1/2] + [1/7] = [?]\nGive your answer in its simplest form.",
      "answer0": "[9/14]",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 81,
      "difficulty_id": 2,
      "explanation": "1/2 = 7/14 and 1/7 = 2/14. 7/14 + 2/14 = 9/14.",
      "hints": ["Find a common denominator for 2 and 7.", "14 works for both; convert and add the numerators."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q8",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Answer key: 9/14 (already in simplest form)."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "The following table shows a menu at a cafe.\n\nBurger $6.90\nCupcake $2.50\nPizza $7.80\nWaffle $5.50\n\nAndy bought a waffle and another item from the menu. He spent $12.40 in all. What was the cost of the other item that he bought?",
      "answer0": "$6.90",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "$12.40 - $5.50 (waffle) = $6.90, which is the price of the burger.",
      "hints": ["Subtract the waffle's price from the total spent.", "The remaining amount matches one of the menu prices."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q9",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Menu table transcribed as text (item + price). Answer key: $6.90. Answer label on paper is 'Ans: $ ___' so store as 6.90 if dollar sign is provided by template."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "[2/3] = [[?]/18]\nFind the missing number in the box.",
      "answer0": "12",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 80,
      "difficulty_id": 1,
      "explanation": "2/3 = ?/18. Since 3 x 6 = 18, multiply the numerator: 2 x 6 = 12. So 2/3 = 12/18.",
      "hints": ["Find what the denominator 3 was multiplied by to get 18.", "Multiply the numerator by the same number."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q10",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Equivalent fraction; missing numerator only. Answer key: 12."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Cindy spent her money on a bag and a pair of shoes. The bag costs $21.90. The pair of shoes costs $18 more than the bag. How much did she spend altogether?",
      "answer0": "$61.80",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "Shoes = $21.90 + $18 = $39.90. Total = $21.90 + $39.90 = $61.80.",
      "hints": ["First find the cost of the shoes ($18 more than the bag).", "Add the bag and shoes together for the total."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q11",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Worth [3] marks. Answer key: $21.90 + $21.90 + $18 = $61.80."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "Tom saved $49.85. Sam saved $12.50 more than Tom. Paul saved $9.85 less than Sam. How much did Paul save?",
      "answer0": "$52.50",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 83,
      "difficulty_id": 2,
      "explanation": "Sam = $49.85 + $12.50 = $62.35. Paul = $62.35 - $9.85 = $52.50.",
      "hints": ["Find Sam's savings first (Tom's plus $12.50).", "Then subtract $9.85 from Sam's amount for Paul."],
      "source": "Catholic High 2022 P3 Weighted Assessment 3 Q12",
      "image_needed": false,
      "image_options": false,
      "image_page": null,
      "image_loc": null,
      "image_file": null,
      "notes": "Worth [3] marks. Answer key: Sam $62.35, Paul $52.50."
    }
  ]
}