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Primary 4 Mathematics Semestral Assessment 2 (End of Year) Paper 4

Free P4 Maths SA2 Paper 4, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 4 Mathematics From Real Exams Generated by Claude Sonnet 4 Updated 2026-08-17

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Questions

TUITIONGOWHERE PRIMARY SCHOOL (AI)

SA2 EXAMINATION 2026 (VERSION 4)

PRIMARY 4 MATHEMATICS

Duration: 1 hour 30 minutes Total Marks: 100

INSTRUCTIONS TO STUDENTS

Do not turn over this page until you are told to do so.
Answer all questions.
Show your working clearly in the space provided.
You are not allowed to use a calculator.

Name: _________________ ( ) Class: Primary 4 ( ) Date: _________________

Section	Marks
A (MCQ)	/20
B (Short Answer)	/40
C (Word Problems)	/40
Total	/100

Section A: Multiple Choice Questions (20 marks)

1. What is the place value of 4 in 843,567?

(A) 4,000 (B) 40,000 (C) 400,000 (D) 4

( ) [1 mark]

2. What is the GCF of 28 and 42?

(A) 7 (B) 14 (C) 21 (D) 28

( ) [1 mark]

3. Convert 59/7 to a mixed number.

(A) 8 2/7 (B) 8 3/7 (C) 8 4/7 (D) 8 5/7

( ) [1 mark]

4. What is 5/16 as a decimal?

(A) 0.3125 (B) 0.325 (C) 0.3025 (D) 0.35

( ) [1 mark]

5. A rectangle has area 234 cm² and width 13 cm. What is its length?

(A) 16 cm (B) 17 cm (C) 18 cm (D) 19 cm

( ) [1 mark]

6. Round 745,678 to the nearest hundred.

(A) 745,600 (B) 745,700 (C) 746,000 (D) 745,680

( ) [1 mark]

7. What is 8,645 ÷ 7?

(A) 1,234 R3 (B) 1,235 (C) 1,235 R0 (D) 1,234

( ) [1 mark]

8. Which is equivalent to 7/10?

(A) 21/30 (B) 28/30 (C) 14/25 (D) 35/45

( ) [1 mark]

9. Arrange from largest to smallest: 8.09, 8.9, 8.009

(A) 8.9, 8.09, 8.009 (B) 8.009, 8.09, 8.9 (C) 8.09, 8.9, 8.009 (D) 8.9, 8.009, 8.09

( ) [1 mark]

10. A square has perimeter 84 cm. What is its area?

(A) 400 cm² (B) 420 cm² (C) 441 cm² (D) 484 cm²

( ) [1 mark]

11. Which shape has exactly 4 lines of symmetry?

(A) Rectangle (B) Square (C) Rhombus (D) Parallelogram

( ) [1 mark]

12. How many fifths are there in 4 2/5?

(A) 20 (B) 21 (C) 22 (D) 23

( ) [1 mark]

13. What is 8,456 × 6?

(A) 50,636 (B) 50,736 (C) 51,736 (D) 50,836

( ) [1 mark]

14. Which number has exactly 8 factors?

(A) 20 (B) 24 (C) 28 (D) 32

( ) [1 mark]

15. From a pictograph where each symbol = 8 items, 4.5 symbols represents:

(A) 32 items (B) 36 items (C) 40 items (D) 44 items

( ) [1 mark]

16. What is 8.045 rounded to 2 decimal places?

(A) 8.04 (B) 8.05 (C) 8.0 (D) 8.00

( ) [1 mark]

17. What quotient and remainder for 9,547 ÷ 8?

(A) 1,193 R3 (B) 1,194 R3 (C) 1,193 R4 (D) 1,194 R4

( ) [1 mark]

18. Order from smallest: 3/4, 5/6, 7/8

(A) 3/4, 5/6, 7/8 (B) 7/8, 5/6, 3/4 (C) 5/6, 3/4, 7/8 (D) 3/4, 7/8, 5/6

( ) [1 mark]

19. An angle of 225° is:

(A) Acute (B) Obtuse (C) Straight (D) Reflex

( ) [1 mark]

20. A line graph shows: 100, 80, 64, 51.2. The pattern is:

(A) Subtract 20 (B) Multiply by 0.8 (C) Subtract 16 (D) Divide by 1.25

( ) [1 mark]

Section B: Short Answer Questions (40 marks)

21. Calculate 76,543 + 48,679.

_______________________________________________ [3 marks]

22. Find 7/8 - 3/4.

_______________________________________________ [3 marks]

23. Calculate 35.78 + 27.45.

_______________________________________________ [3 marks]

24. A square has area 289 cm². Find its perimeter.

_______________________________________________ [3 marks]

25. Convert 73/9 to a mixed number.

_______________________________________________ [3 marks]

26. Calculate 9,876 × 5.

_______________________________________________ [4 marks]

27. Calculate 8,736 ÷ 7.

_______________________________________________ [4 marks]

28. Find 5/6 + 2/9.

_______________________________________________ [4 marks]

29. Calculate 50.2 - 34.56.

_______________________________________________ [3 marks]

30. Find the perimeter of a rectangle with length 42 cm and width 28 cm.

_______________________________________________ [3 marks]

31. What are all the factors of 56?

_______________________________________________ [3 marks]

32. Convert 12 5/8 to an improper fraction.

_______________________________________________ [4 marks]

Section C: Word Problems (40 marks)

33. A library had 56,789 books. It received a donation of 12,456 books but had to remove 8,945 damaged books. How many books does the library have now?

_______________________________________________ [5 marks]

34. Kumar saves $45.75 each week. His sister saves$ 38.50 each week. How much more does Kumar save than his sister in 8 weeks?

_______________________________________________ [5 marks]

35. A bakery made 8,946 cookies. They pack them into boxes of 9. How many boxes can they fill? How many cookies are left?

_______________________________________________ [5 marks]

36. Mei Ling spent 2/7 of her money on books and 3/7 on clothes. What fraction of her money is left?

_______________________________________________ [5 marks]

37. A worker earns $2,850 per month. He spends$ 1,240 on rent and $680 on food. The rest he saves. How much does he save in 9 months?

_______________________________________________ [5 marks]

38. A rectangular garden is 85 m by 60 m. A rectangular pond of 18 m by 12 m and a square gazebo of side 8 m are built inside. What is the remaining area?

_______________________________________________ [5 marks]

39. The table shows monthly sales:

Jan: $12,450, Feb:$ 15,680, Mar: $11,890, Apr:$ 18,340

(a) What is the total sales? (b) What is the difference between highest and lowest?

_______________________________________________ [5 marks]

40. A shop sells pencils at 3 for $2.40. Ahmad wants to buy 15 pencils. How much does he pay?

_______________________________________________ [5 marks]

~ End of Paper ~

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Answers

TUITIONGOWHERE PRIMARY SCHOOL (AI)

SA2 EXAMINATION 2026 (VERSION 4) - ANSWER KEY

PRIMARY 4 MATHEMATICS

Section A: Multiple Choice (20 marks)

1. Answer: (B) 40,000 4 is in ten-thousands place = 40,000

2. Answer: (B) 14 GCF of 28 and 42 is 14.

3. Answer: (B) 8 3/7 59/7 = 8 R3 = 8 3/7

4. Answer: (A) 0.3125 5/16 = 0.3125

5. Answer: (C) 18 cm 234 = l × 13 l = 18 cm

6. Answer: (B) 745,700 745,678 → 745,700

7. Answer: (A) 1,234 R3 8,645 ÷ 7 = 1,234 R3

8. Answer: (A) 21/30 7/10 = 21/30

9. Answer: (A) 8.9, 8.09, 8.009 8.9 > 8.09 > 8.009

10. Answer: (C) 441 cm² Side = 84 ÷ 4 = 21 cm Area = 21 × 21 = 441 cm²

11. Answer: (B) Square A square has exactly 4 lines of symmetry.

12. Answer: (C) 22 4 2/5 = 22/5

13. Answer: (B) 50,736 8,456 × 6 = 50,736

14. Answer: (B) 24 Factors of 24: 1,2,3,4,6,8,12,24 (8 factors)

15. Answer: (B) 36 items 4.5 × 8 = 36

16. Answer: (B) 8.05 8.045 → 8.05

17. Answer: (A) 1,193 R3 9,547 ÷ 8 = 1,193 R3

18. Answer: (A) 3/4, 5/6, 7/8 3/4 = 18/24, 5/6 = 20/24, 7/8 = 21/24

19. Answer: (D) Reflex 225° > 180°, so reflex

20. Answer: (B) Multiply by 0.8 100 × 0.8 = 80, 80 × 0.8 = 64, etc.

Section B: Short Answer (40 marks)

21. Answer: 125,222

22. Answer: 1/8 7/8 - 6/8 = 1/8

23. Answer: 63.23

24. Answer: 68 cm Side = 17 cm (√289) Perimeter = 4 × 17 = 68 cm

25. Answer: 8 1/9 73/9 = 8 R1 = 8 1/9

26. Answer: 49,380

27. Answer: 1,248

28. Answer: 19/18 = 1 1/18 5/6 = 15/18, 2/9 = 4/18 15/18 + 4/18 = 19/18

29. Answer: 15.64

30. Answer: 140 cm P = 2(42+28) = 140 cm

31. Answer: 1, 2, 4, 7, 8, 14, 28, 56

32. Answer: 101/8 12 5/8 = (12×8+5)/8 = 101/8

Section C: Word Problems (40 marks)

33. Answer: 60,300 books

Working: 56,789 + 12,456 - 8,945 = 60,300

34. Answer: $58.00

Working: Difference per week = $45.75 -$ 38.50 = $7.25 8 weeks =$ 7.25 × 8 = $58.00

35. Answer: 994 boxes, 0 cookies left

Working: 8,946 ÷ 9 = 994

36. Answer: 2/7

Working: Spent = 2/7 + 3/7 = 5/7 Left = 7/7 - 5/7 = 2/7

37. Answer: $8,370

Working: Monthly savings = $2,850 -$ 1,240 - $680 =$ 930 9 months = $930 × 9 =$ 8,370

38. Answer: 4,820 m²

Working: Garden = 85 × 60 = 5,100 m² Pond = 18 × 12 = 216 m² Gazebo = 8 × 8 = 64 m² Remaining = 5,100 - 216 - 64 = 4,820 m²

39. Answers: (a) ** $58,360** Total =$ 12,450 + $15,680 +$ 11,890 + $18,340 =$ 58,360

(b) ** $6,450** Highest - Lowest =$ 18,340 - $11,890 =$ 6,450

40. Answer: $12.00

Working: 3 pencils = $2.40 1 pencil =$ 0.80 15 pencils = $0.80 × 15 =$ 12.00

~ End of Answer Key ~