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Primary 3 Mathematics Weighted Assessment 1 (Term 1) Paper 5
Free P3 Maths WA1 Paper 5, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
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TUITIONGOWHERE PRIMARY SCHOOL (AI)
WEIGHTED ASSESSMENT 1 EXAMINATION 2026 - VERSION 5
PRIMARY 3 MATHEMATICS - ANSWER KEY
Duration: 45 minutes
Total Marks: 50
Section A: Multiple Choice Questions (15 marks)
1. (3) - The digit 6 is in the hundreds place, so its value is 600.
2. (2) - 3471 is between 3456 and 3489. The other options are outside this range.
3. (2) - 8 × 5 = 40
4. (2) - 42 ÷ 6 = 7 groups
5. (2) - 1 out of 3 parts is shaded = 1/3
6. (3) - 2.90 = $8.15
7. (2) - 63 ÷ 7 = 9
8. (1) - 1 m = 100 cm, so 100 cm + 85 cm = 185 cm
9. (1) - 4925 rounded to nearest hundred: Look at tens digit (2). Since 2 < 5, round down to 4900.
10. (2) - 6/8 = 3/4 (divide both numerator and denominator by 2)
11. (3) - 578 + 346 = 924
12. (3) - Pattern increases by 25 each time: 250 + 25 = 275
13. (3) - 9 × 6 = 54
14. (2) - 1/6 of 30 = 30 ÷ 6 = 5
15. (2) - A triangle has 3 vertices (corners).
Section B: Short Answer Questions (20 marks)
16. (2 marks) Working:
684
+ 157
-----
841
Answer: 841
17. (2 marks) Working:
752
- 385
-----
367
Answer: 367
18. (2 marks) 9 × 6 = 54 Answer: 6
19. (2 marks) Working: Apples sold: 28 Oranges sold: 19 Difference: 28 - 19 = 9 Answer: 9 more apples
20. (2 marks) Working: 2 kg = 2 × 1000 g = 2000 g 2000 g + 125 g = 2125 g Answer: 2125 g
21. (2 marks) Answer: 1 : 30
22. (2 marks) Working: 1/7 of 42 = 42 ÷ 7 = 6 Answer: 6
23. (2 marks) Working: 1/2 = ?/8 To get from 2 to 8, multiply by 4 So multiply numerator by 4: 1 × 4 = 4 Answer: 4
24. (2 marks) Working: Perimeter of triangle = sum of all sides Perimeter = 6 + 8 + 10 = 24 cm Answer: 24 cm
25. (2 marks) Working: 3572 rounded to nearest 10: Look at units digit (2). Since 2 < 5, round down. Answer: 3570
Section C: Word Problems (15 marks)
26. (3 marks) Working: Marbles Tom had: 328 Marbles brother gave: 175 Total marbles: 328 + 175 = 503
Answer: 503 marbles
27. (3 marks) Working: Number of packets: 9 Sweets per packet: 7 Total sweets: 9 × 7 = 63
Answer: 63 sweets
28. (4 marks) Working: Pencils at start: 695 Pencils sold in morning: 248 Pencils sold in afternoon: 167 Total pencils sold: 248 + 167 = 415 Pencils left: 695 - 415 = 280
Answer: 280 pencils
29. (5 marks) Working: Cost of book: 8.50 Total cost: 8.50 = 30.00 Change: 24.25 = $5.75
Answer: $5.75
Marking Scheme Summary
Section A (15 marks): 1 mark per question Section B (20 marks): 2 marks per question - 1 mark for working, 1 mark for correct answer Section C (15 marks):
- Questions 26-27: 3 marks each (2 for working/method, 1 for answer)
- Question 28: 4 marks (3 for working/method, 1 for answer)
- Question 29: 5 marks (4 for working/method, 1 for answer)
Total: 50 marks
