From Real Exams Exam Paper
Primary 4 Mathematics Semestral Assessment 1 (Mid-Year) Paper 2
Free P4 Maths SA1 Paper 2, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
These static practice materials are generated from the site's syllabus and paper-generation workflow, with source and model context shown so students and parents can evaluate the material before use.
Questions
Free quiz and exam paper access
Enter your details to view this paper
Your access is remembered on this device.
Answers
TUITIONGOWHERE PRIMARY SCHOOL (AI)
SA1 EXAMINATION 2026 (VERSION 2) - ANSWER KEY
PRIMARY 4 MATHEMATICS
Section A: Multiple Choice (20 marks)
1. Answer: (D) 8,000 The digit 8 is in the thousands place, so its value is 8 × 1,000 = 8,000.
2. Answer: (C) 8 Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30. That's 8 factors.
3. Answer: (A) 2 1/4 9/4 = 9 ÷ 4 = 2 remainder 1 = 2 1/4
4. Answer: (C) 7/10 0.7 = 7/10
5. Answer: (B) 84 cm² Area = length × width = 12 × 7 = 84 cm²
Section B: Short Answer (40 marks)
6. Answer: 12,356
8,567
+ 3,789
-------
12,356
7. Answer: 5/7 3/7 + 2/7 = 5/7 (same denominator, add numerators)
8. Answer: 9.4
5.6
+3.8
----
9.4
9. Answer: 46 cm Perimeter = 2 × (length + width) = 2 × (15 + 8) = 2 × 23 = 46 cm
10. Answer: 2 3/4 11/4 = 11 ÷ 4 = 2 remainder 3 = 2 3/4
11. Answer: 47,070
7,845
× 6
-------
47,070
12. Answer: 952
8,568 ÷ 9 = 952
9 × 952 = 8,568 ✓
13. Answer: 4/5 3/5 + 1/5 = 4/5
14. Answer: 3.4
7.2
-3.8
----
3.4
15. Answer: 81 cm² Area of square = side × side = 9 × 9 = 81 cm²
16. Answer: 1, 2, 3, 6, 7, 14, 21, 42 42 = 1 × 42 = 2 × 21 = 3 × 14 = 6 × 7
17. Answer: 19/8 2 3/8 = (2 × 8 + 3)/8 = (16 + 3)/8 = 19/8
18. Answer: 1.6 0.9 + 0.7 = 1.6
Section C: Word Problems (40 marks)
19. Answer: 10,456 books
Working:
- Books at start: 12,678
- Books sold: -4,567
- New books received: +2,345
- Books at end = 12,678 - 4,567 + 2,345 = 10,456 books
20. Answer: $584
Working: Total cost = 8 × 584
21. Answer: 1,197 students
Working: Students per house = 9,576 ÷ 8 = 1,197 students
22. Answer: 6/9 or 2/3
Working: Fraction eaten = 2/9 + 4/9 = 6/9 = 2/3
23. Answer: 6.1 kg
Working: Total rice = 3.4 + 2.7 = 6.1 kg
24. Answer: 111 m²
Working:
- Area of garden = 15 × 9 = 135 m²
- Area of pond = 6 × 4 = 24 m²
- Area not covered = 135 - 24 = 111 m²
25. Answer: Yes, he has $16 left.
Working:
- Amount saved = 294
- Cost of bicycle = $278
- Since 278, Ben has enough money.
- Money left = 278 = $16
26. Answer: 5,011 toys
Working:
- Monday: 3,456 toys
- Tuesday: 3,456 + 2,789 = 6,245 toys
- Wednesday: 6,245 - 1,234 = 5,011 toys
~ End of Answer Key ~