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Primary 1 Mathematics Practice Paper 5

Free P1 Maths Practice Paper 5, HY3 AI version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 1 Mathematics AI Generated Generated by Tencent HY3 Free Updated 2026-08-17

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Answers

TuitionGoWhere Practice Paper - Mathematics Primary 1 (Answer Key)

Subject: Mathematics
Level: Primary 1
Paper: Practice Paper (Version 5 of 5)
Total Marks: 20


Section A: Counting and Number Recognition

1. 9
Teaching note: Count each star one by one: 1,2,3,4,5,6,7,8,9. The picture shows exactly 9 stars.
Mark: 1 mark for correct count.

2. 14
Teaching note: Count all apples in the box slowly: 14 apples shown.
Mark: 1 mark for correct count.

3. 20
Teaching note: There are 4 rows and 5 in each row. 4 × 5 = 20 (or count all). This is early array counting.
Mark: 1 mark for 20.

4. 16
Teaching note: "Sixteen" means 1 ten and 6 ones = 16.
Mark: 1 mark for 16.

5. 23
Teaching note: "Twenty-three" = 2 tens 3 ones = 23.
Mark: 1 mark for 23.


Section B: Place Value and Comparing

6. 50
Teaching note: In 58, the 5 is in the tens place, so its value is 5 tens = 50.
Mark: 1 mark for 50.

7. 4
Teaching note: 74 = 7 tens and 4 ones. The ones digit is 4.
Mark: 1 mark for 4.

8. 39
Teaching note: Compare tens: 39 has 3 tens, 45 has 4 tens. 3 tens < 4 tens, so 39 is smaller.
Mark: 1 mark for 39.

9. 26, 46, 62
Teaching note: Smallest to biggest: 26 (2 tens), then 46 (4 tens), then 62 (6 tens).
Mark: 1 mark for correct order.

10. 37
Teaching note: 3 tens = 30, 7 ones = 7, 30 + 7 = 37.
Mark: 1 mark for 37.


Section C: Number Patterns and Ordinal Numbers

11. 40, 50
Teaching note: Pattern adds 10 each time: 10,20,30,40,50.
Mark: 1 mark for both numbers.

12. 50, 52
Teaching note: Count by 2s: 44,46,48,50,52.
Mark: 1 mark for both.

13. 80
Teaching note: After 79 comes 80 (7 tens 9 ones + 1 one = 8 tens).
Mark: 1 mark for 80.

14. 5th
Teaching note: Ali is 2nd. 3 places behind = 2 + 3 = 5th position.
Mark: 1 mark for 5th.

15. Raj
Teaching note: 3rd in the list is Raj.
Mark: 1 mark for Raj.


Section D: Mixed Number Questions

16. 81
Teaching note: 81 has 8 tens, 18 has 1 ten. 8 tens > 1 ten, so 81 is bigger.
Mark: 1 mark for 81.

17. fifty-five
Teaching note: 55 = 5 tens 5 ones, written as "fifty-five".
Mark: 1 mark for fifty-five.

18. 20, 25
Teaching note: Add 5 each time: 5,10,15,20,25.
Mark: 1 mark for both.

19. 90
Teaching note: In 92, 9 is in tens place = 9 tens = 90.
Mark: 1 mark for 90.

20. The 1st child (wearing red)
Teaching note: Front of queue = 1st position = child in red.
Mark: 1 mark for 1st child / red.