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Primary 1 Mathematics Practice Paper 1
Free P1 Maths Practice Paper 1, Nemo3 AI version, with questions, answers, and syllabus-aligned practice for Singapore students.
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Answers
TuitionGoWhere Practice Paper - Mathematics Primary 1 (Answer Key)
Paper: Practice Paper 1 (Version 1)
Total Marks: 40
Section A: Multiple Choice Questions (10 marks)
| Question | Answer | Explanation |
|---|---|---|
| 1 | (3) 12 | Count the apples in the diagram. There are 12 apples. |
| 2 | (1) 35 | 3 tens rods = 30, 5 ones cubes = 5. 30 + 5 = 35. |
| 3 | (3) 44 | Compare tens digit first: 44, 46, 48, 84. 44 has the smallest tens digit (4) and smallest ones digit (4). |
| 4 | (3) 30 | Pattern increases by 5: 15, 20, 25, 30, 35, 40. |
| 5 | (1) Card A | Forty-seven is written as 47. Card A shows 47. |
| 6 | (1) 68 | 6 tens = 60, 8 ones = 8. 60 + 8 = 68. |
| 7 | (2) 49 | The number before 50 is 49. |
| 8 | (3) 9 | Total children = 18. Girls = 9. Boys = 18 - 9 = 9. |
| 9 | (1) 12 + 5 = 17 | Calculate each: (1) 17, (2) 14, (3) 15, (4) 12. Greatest is 17. |
| 10 | (3) Square | Pattern repeats: Circle, Triangle, Square. Next is Square. |
Section B: Short Answer Questions (20 marks)
11. thirty-nine [1]
12. a) 29 [1]
b) 35 [1]
Pattern a) counts up by 1. Pattern b) counts down by 5.
13. 54, 50, 49, 45 [2]
Compare tens then ones: 54 > 50 > 49 > 45.
14. a) 6 [1] (15 - 9 = 6)
b) 8 [1] (20 - 12 = 8)
15. a) 39 [1] (26 + 13 = 39)
b) 23 [1] (48 - 25 = 23)
c) 51 [1] (34 + 17 = 51)
d) 14 [1] (50 - 36 = 14)
16. a) 6 [1] (14 + 6 = 20)
b) 20 [1] (20 - 8 = 12)
17. a) 6 [1]
b) Grapes [1]
c) 2 [1] (5 - 3 = 2)
18. The 5th shape (Circle) should be coloured. [1]
Shapes: 1st Circle, 2nd Square, 3rd Triangle, 4th Rectangle, 5th Circle, 6th Square, 7th Triangle, 8th Rectangle.
19. Clock A → 3:00 [1]
Clock B → 6:30 [1]
20. Circle the Book. [1]
The balance scale tips towards the book, showing it is heavier.
Section C: Problem Sums (10 marks)
21. [2 marks]
Working: 14 + 13 = 27
Answer: 27 stickers
22. [2 marks]
Working: 25 - 9 = 16
Answer: 16 birds
23. [2 marks]
Working: 18 - 6 = 12
Answer: 12 marbles
24. [2 marks]
Working: 30 - 12 = 18
Answer: 18 blue pencils
25. [2 marks]
Working: Pattern increases by 2.
12, 14, 16, 18, 20, 22
Answer: a) 18, 20
Answer: b) Add 2 / Count on by 2 / Increase by 2
Marking Guide for Teachers
- Section A: 1 mark per correct answer. No half marks.
- Section B: Marks allocated as shown. Award method marks for correct working even if final answer is wrong (e.g., Q15, Q16).
- Section C: 1 mark for correct working/number sentence, 1 mark for correct answer with unit.
- Total: 40 marks.
End of Answer Key








