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Primary 3 Mathematics Data Analysis Quiz

Free P3 Maths Data Analysis quiz, HY3 Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 3 Mathematics From Real Exams Generated by Tencent HY3 Free Updated 2026-08-17

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Answers

Primary 3 Mathematics Quiz - Data Analysis (Answer Key)

Total Marks: 40
Topic: Data Analysis (bar graphs and picture graphs)


Section A Answers (1 mark each)

  1. 6
    Teaching note: A bar graph uses the height of the bar to show the number. Ali’s bar reaches 6, so he read 6 books. Common mistake: misreading the scale.

  2. 6 pupils
    Method: 1 star = 2 pupils, Mei has 3 stars → 3 × 2 = 6. Picture graphs use symbols to stand for a number.

  3. Apple
    Mango = 5, Apple = 8. 8 > 5, so Apple is more popular.

  4. 3
    Buses = 7, Cars = 4. Difference = 7 − 4 = 3.

  5. 10 stickers
    1 circle = 5 stickers, Sam has 2 → 2 × 5 = 10.

  6. Dog
    Cat = 9, Dog = 6. 6 < 9, so Dog has fewer.

  7. Green
    Red = 3, Blue = 5, Green = 2. Smallest is 2 (Green).

  8. 40 trees
    1 tree symbol = 10, 4 symbols → 4 × 10 = 40.

  9. Class A
    Class A = 12, Class B = 15. 12 < 15, so Class A scored less.

  10. 4
    Bar drawn to 4 means the value is 4.


Section B Answers (2 marks each)

  1. (a) Wednesday (1 mark) – Bar for Wednesday is 7, the highest.
    (b) 12 (1 mark) – Tuesday 5 + Wednesday 7 = 12. Working: 5 + 7 = 12.

  2. (a) 10 pupils (1 mark) – Water: 5 cups × 2 = 10.
    (b) 2 pupils (1 mark) – Milk: 4×2=8, Juice: 3×2=6, difference 8−6=2.

  3. (a) Badminton (1 mark) – From graph, Badminton bar is 3, the lowest.
    (b) 14 children (1 mark) – Football 8 + Cycling 6 = 14. Working: 8 + 6 = 14.
    Visual check: graph shows labelled bars with values as described.

  4. (a) 8 fish (1 mark) – Siti: 2 symbols × 4 = 8.
    (b) Tom (1 mark) – Tom 5×4=20, Ravi 3×4=12, Siti 8. Tom most.

  5. (a) Plant C (1 mark) – Height 15 cm is tallest.
    (b) 6 cm (1 mark) – Plant C 15 − Plant B 9 = 6. Working: 15 − 9 = 6.

  6. (a) 6 pupils (1 mark) – Walk: 2 buses × 3 = 6.
    (b) 15 pupils (1 mark) – MRT: 4×3=12, Cycle: 1×3=3, total 12+3=15.


Section C Answers (3 marks each)

  1. (a) Team 1 (1 mark) – Score 10 is highest.
    (b) 28 points (2 marks) – Working: 10 + 6 + 8 + 4 = 28. Marking: 1 mark for correct addition, 1 mark for final answer.

  2. (a) 20 books (1 mark) – Tuesday: 4 icons × 5 = 20.
    (b) 10 books (2 marks) – Monday: 2×5=10, Tuesday 20, difference 20−10=10. Marking: 1 mark method, 1 mark answer.

  3. (a) Tuna (1 mark) – Bar at 9 is highest.
    (b) 25 sandwiches (2 marks) – Working: 7 + 4 + 9 + 5 = 25. From placeholder graph values. Marking: 1 mark sum, 1 mark total.

  4. (a) Pear = 4 (1 mark) – Total 20 − (5+7+4) = 20 − 16 = 4.
    (b) Orange (1 mark) – Counts: Banana 7 (most), Orange 5 (second), Grapes 4, Pear 4.
    (c) 3 (1 mark) – Banana 7 − Grapes 4 = 3.