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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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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)
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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. -
6 pupils
Method: 1 star = 2 pupils, Mei has 3 stars → 3 × 2 = 6. Picture graphs use symbols to stand for a number. -
Apple
Mango = 5, Apple = 8. 8 > 5, so Apple is more popular. -
3
Buses = 7, Cars = 4. Difference = 7 − 4 = 3. -
10 stickers
1 circle = 5 stickers, Sam has 2 → 2 × 5 = 10. -
Dog
Cat = 9, Dog = 6. 6 < 9, so Dog has fewer. -
Green
Red = 3, Blue = 5, Green = 2. Smallest is 2 (Green). -
40 trees
1 tree symbol = 10, 4 symbols → 4 × 10 = 40. -
Class A
Class A = 12, Class B = 15. 12 < 15, so Class A scored less. -
4
Bar drawn to 4 means the value is 4.
Section B Answers (2 marks each)
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(a) Wednesday (1 mark) – Bar for Wednesday is 7, the highest.
(b) 12 (1 mark) – Tuesday 5 + Wednesday 7 = 12. Working: 5 + 7 = 12. -
(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. -
(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. -
(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. -
(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. -
(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)
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(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. -
(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. -
(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. -
(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.

