{
  "paper": {
    "school": "Maha Bodhi",
    "year": 2024,
    "level": "P4",
    "label": "Weighted Assessment 1",
    "source_prefix": "Maha Bodhi 2024 P4 Weighted Assessment 1",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 1,
      "question": "Arrange the numbers in decreasing order.<br>61 279 , 60 729 , 60 927 , 61 792",
      "answer0": "60 729 , 60 927 , 61 279 , 61 792",
      "answer1": "61 279 , 60 729 , 61 792 , 60 927",
      "answer2": "61 792 , 61 279 , 60 927 , 60 729",
      "answer3": "60 927 , 61 792 , 60 729 , 61 279",
      "correct_answer": 2,
      "skill_id": 107,
      "difficulty_id": 1,
      "explanation": "Decreasing order = largest to smallest. Compare the numbers: 61 792 > 61 279 > 60 927 > 60 729. This matches option (3).",
      "hints": ["Decreasing means largest first.", "Compare the thousands and hundreds digits."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q1",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 3. Verified."
    },
    {
      "n": 2,
      "type_id": 1,
      "question": "Which of the following is a multiple of 8?",
      "answer0": "63",
      "answer1": "56",
      "answer2": "42",
      "answer3": "18",
      "correct_answer": 1,
      "skill_id": 114,
      "difficulty_id": 1,
      "explanation": "A multiple of 8 is divisible by 8. 56 = 8 × 7, so 56 is a multiple of 8. The others are not.",
      "hints": ["Try dividing each number by 8.", "8 × 7 = 56."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q2",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 2. Verified."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "The table shows the number of males and females in Primary 5A and 5B who are cyclists and non-cyclists.<br>What is the total number of female cyclists in both classes?",
      "answer0": "42",
      "answer1": "25",
      "answer2": "23",
      "answer3": "19",
      "correct_answer": 3,
      "skill_id": 147,
      "difficulty_id": 1,
      "explanation": "Female cyclists: Primary 5A = 9, Primary 5B = 10. Total = 9 + 10 = 19. This matches option (4).",
      "hints": ["Look only at the 'Cyclists' column under 'Number of females'.", "Add the two classes' female cyclists."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": "q3.png",
      "image_page": 2,
      "image_bbox": [0.22, 0.18, 0.9, 0.31],
      "image_loc": "data table near top of page showing males/females cyclists/non-cyclists for Primary 5A and 5B",
      "notes": "Key: option 4. Verified (9+10=19)."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "76 thousands 25 hundreds and 4 tens is the same as [?].",
      "answer0": "76 240",
      "answer1": "76 254",
      "answer2": "78 504",
      "answer3": "78 540",
      "correct_answer": 3,
      "skill_id": 105,
      "difficulty_id": 2,
      "explanation": "76 thousands = 76 000; 25 hundreds = 2 500; 4 tens = 40. Total = 76 000 + 2 500 + 40 = 78 540. This matches option (4).",
      "hints": ["25 hundreds = 2 500, not 250.", "Add up 76 000 + 2 500 + 40."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q4",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 4. Verified. Stem keeps printed blank as [?]."
    },
    {
      "n": 5,
      "type_id": 1,
      "question": "Last year, Penny's age was a factor of 25.<br>This year, her age is a factor of 24.<br>How old will Penny be next year?",
      "answer0": "7",
      "answer1": "6",
      "answer2": "5",
      "answer3": "4",
      "correct_answer": 0,
      "skill_id": 111,
      "difficulty_id": 3,
      "explanation": "Factors of 25: 1, 5, 25. Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24. Two consecutive years means last year's age and this year's age are consecutive. 5 (factor of 25) then 6 (factor of 24) works. So this year she is 6, and next year she will be 7. This matches option (1).",
      "hints": ["List the factors of 25 and the factors of 24.", "Last year and this year are consecutive ages.", "5 then 6 fits both lists; add 1 more for next year."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: option 1. Verified (5→6→7)."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "What is the missing number in the number pattern?<br>20 880, 20 910, [?], 20 970, 21 000, 21 030",
      "answer0": "20940",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 108,
      "difficulty_id": 1,
      "explanation": "The pattern increases by 30 each time (20 910 - 20 880 = 30). Missing number = 20 910 + 30 = 20 940.",
      "hints": ["Find the difference between consecutive numbers.", "The step is +30."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q6",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 20940. Verified."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "List all the common factors of 18 and 42.",
      "answer0": "1, 2, 3, 6",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 113,
      "difficulty_id": 2,
      "explanation": "Factors of 18: 1, 2, 3, 6, 9, 18. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42. Common factors = 1, 2, 3, 6.",
      "hints": ["List the factors of each number.", "Pick the ones that appear in both lists."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q7",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key lists 1,6,3,2 = common factors 1,2,3,6. Verified."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "The bar graph shows the number of strollers sold from August to December.<br>What is the total number of strollers sold from September to November?",
      "answer0": "46",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 148,
      "difficulty_id": 2,
      "explanation": "From the bar graph: September = 17, October = 9, November = 20. Total = 17 + 9 + 20 = 46.",
      "hints": ["Read the height of each bar for September, October and November.", "Add the three values."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q8",
      "image_needed": true,
      "image_options": false,
      "image_file": "q8.png",
      "image_page": 4,
      "image_bbox": [0.2, 0.13, 0.92, 0.48],
      "image_loc": "bar graph of strollers sold Aug-Dec, upper portion of page",
      "notes": "Key: 17+20+9=46. Verified."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "A number is 87 000 when rounded to the nearest 1000.<br>What is the smallest possible number?",
      "answer0": "86500",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 109,
      "difficulty_id": 2,
      "explanation": "To round up to 87 000 to the nearest 1000, the smallest number must round up from the 86 000s. The smallest is 86 500 (the half-way point rounds up).",
      "hints": ["The number rounds up to 87 000.", "The smallest value that still rounds to 87 000 is the half-way mark below it."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 86500. Verified."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "Bernice bought some fruit tarts to give to her cousins.<br>When she gave 6 fruit tarts to each cousin, she would have 2 fruit tarts remaining.<br>When she gave 7 fruit tarts to each cousin, she would be short of 6 fruit tarts.<br>How many cousins did Bernice have?",
      "answer0": "8",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 118,
      "difficulty_id": 3,
      "explanation": "Giving 7 instead of 6 to each cousin uses 1 more tart per cousin. The change is from 2 left over to 6 short, a difference of 2 + 6 = 8 tarts. So there are 8 cousins (8 extra tarts needed, 1 per cousin).",
      "hints": ["Find the difference between '2 left over' and '6 short'.", "Each cousin uses 1 extra tart when given 7 instead of 6.", "Number of cousins = total extra tarts needed ÷ 1."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q10",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key: 8. Verified."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "The line graph shows the number of people at a bus stop from 16 00 to 21 00.<br>(a) How many fewer people were at the bus stop at 17 00 than at 19 00?<br>(b) The number of people at the bus stop at 21 00 was twice the number of people at the bus stop at [?].<br>(c) During which 1-hour period was the increase in the number of people at the bus stop the greatest? Give your answer as [?] to [?].",
      "answer0": "7",
      "answer1": "16 00",
      "answer2": "16 00",
      "answer3": "17 00",
      "correct_answer": null,
      "skill_id": 147,
      "difficulty_id": 2,
      "explanation": "From the line graph: 16 00 = 4, 17 00 = 9, 18 00 = 13, 19 00 = 16, 20 00 = 10, 21 00 = 8. (a) At 19 00 there were 16 and at 17 00 there were 9, so 16 - 9 = 7 fewer. (b) At 21 00 there were 8; twice means the other time had 8 ÷ 2 = 4, which is 16 00. (c) Increases: 16 00→17 00 = +5, 17 00→18 00 = +4, 18 00→19 00 = +3. Greatest is 16 00 to 17 00.",
      "hints": ["Read each point off the line graph.", "(a) Subtract the 17 00 value from the 19 00 value.", "(c) Find the steepest upward segment."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q11",
      "image_needed": true,
      "image_options": false,
      "image_file": "q11.png",
      "image_page": 6,
      "image_bbox": [0.18, 0.24, 0.9, 0.54],
      "image_loc": "line graph of number of people at a bus stop vs time 16 00-21 00, middle of page",
      "notes": "Multi-part (a/b/c). Key: a) 16-9=7, b) 16 00, c) 16 00 to 17 00. answer0=part(a), answer1=part(b), answer2/answer3=part(c) start/end. Verified."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "Yasmin had twice as many cards as Xenia at first.<br>After Yasmin gave Xenia 26 cards, Yasmin had 40 more cards than Xenia in the end.<br>How many cards did Yasmin have at first?",
      "answer0": "184",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 118,
      "difficulty_id": 3,
      "explanation": "Let Xenia have 1 unit and Yasmin 2 units at first. After Yasmin gives 26: Yasmin = 2u - 26, Xenia = 1u + 26. Difference = (2u - 26) - (1u + 26) = u - 52 = 40, so u = 92 (Xenia at first). Yasmin at first = 2 × 92 = 184.",
      "hints": ["Use units: Xenia = 1 unit, Yasmin = 2 units.", "After the transfer the difference is 1 unit minus the two lots of 26.", "Set 1 unit - 52 = 40."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q12",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key working: 26x2=52, 52+40=92, 92x2=184. Verified."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "Janice has twice as many stickers as Cathy.<br>Alicia has thrice as many stickers as Janice.<br>Janice has 72 fewer stickers than Alicia.<br>How many more stickers does Alicia have than Cathy?",
      "answer0": "90",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 118,
      "difficulty_id": 3,
      "explanation": "Let Cathy = 1 unit. Janice = 2 units. Alicia = 3 × Janice = 6 units. Alicia - Janice = 6u - 2u = 4u = 72, so 1 unit = 18. Cathy = 18, Janice = 36, Alicia = 108. Alicia - Cathy = 108 - 18 = 90.",
      "hints": ["Let Cathy be 1 unit; Janice = 2 units; Alicia = 6 units.", "Alicia - Janice = 4 units = 72.", "Find 1 unit, then Alicia - Cathy."],
      "source": "Maha Bodhi 2024 P4 Weighted Assessment 1 Q13",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "notes": "Key working: 72÷2=36, 36÷2=18, 36+72=108, 108-18=90. Verified."
    }
  ]
}
