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Primary 4 Mathematics Semestral Assessment 2 (End of Year) Paper 3

Free P4 Maths SA2 Paper 3, 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 3)

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 678,945 rounded to the nearest thousand?

(A) 678,000 (B) 679,000 (C) 680,000 (D) 678,900

( ) [1 mark]

2. What is the LCM of 8 and 14?

(A) 28 (B) 42 (C) 56 (D) 112

( ) [1 mark]

3. Convert 53/9 to a mixed number.

(A) 5 8/9 (B) 5 9/9 (C) 6 8/9 (D) 5 7/9

( ) [1 mark]

4. What is 7/8 as a decimal?

(A) 0.78 (B) 0.875 (C) 0.785 (D) 0.87

( ) [1 mark]

5. A square has area 144 cm². What is its perimeter?

(A) 36 cm (B) 48 cm (C) 56 cm (D) 64 cm

( ) [1 mark]

6. What is 10,000 less than 567,890?

(A) 557,890 (B) 567,880 (C) 566,890 (D) 467,890

( ) [1 mark]

7. What is 9,936 ÷ 9?

(A) 1,102 (B) 1,103 (C) 1,104 (D) 1,105

( ) [1 mark]

8. Which fraction is NOT equivalent to 4/5?

(A) 8/10 (B) 12/15 (C) 16/25 (D) 20/25

( ) [1 mark]

9. Which decimal is between 3.5 and 3.6?

(A) 3.49 (B) 3.55 (C) 3.61 (D) 3.4

( ) [1 mark]

10. A rectangle has length 18 cm and perimeter 52 cm. What is its width?

(A) 6 cm (B) 7 cm (C) 8 cm (D) 9 cm

( ) [1 mark]

11. How many lines of symmetry does the letter X have?

(A) 1 (B) 2 (C) 3 (D) 4

( ) [1 mark]

12. What is 3 5/8 as an improper fraction?

(A) 24/8 (B) 26/8 (C) 28/8 (D) 29/8

( ) [1 mark]

13. What is 6,543 × 7?

(A) 45,701 (B) 45,801 (C) 45,901 (D) 46,001

( ) [1 mark]

14. What is the sum of all factors of 18?

(A) 36 (B) 38 (C) 39 (D) 40

( ) [1 mark]

15. In a bar graph, if the scale is 1 cm = 50 units, what does 3.5 cm represent?

(A) 150 units (B) 175 units (C) 200 units (D) 225 units

( ) [1 mark]

16. What is 24.567 rounded to 1 decimal place?

(A) 24.5 (B) 24.6 (C) 25.0 (D) 24.56

( ) [1 mark]

17. What is the remainder when 8,765 is divided by 6?

(A) 1 (B) 2 (C) 3 (D) 5

( ) [1 mark]

18. Compare: 2/3 ___ 5/8

(A) > (B) < (C) = (D) Cannot determine

( ) [1 mark]

19. What is the angle between clock hands at 10 o'clock?

(A) 30° (B) 60° (C) 90° (D) 120°

( ) [1 mark]

20. A line graph shows values: 25, 50, 100, 200. What pattern is this?

(A) Adding 25 (B) Adding 50 (C) Doubling (D) Tripling

( ) [1 mark]

Section B: Short Answer Questions (40 marks)

21. Calculate 89,456 - 34,789.

_______________________________________________ [3 marks]

22. Find 5/9 + 2/3.

_______________________________________________ [3 marks]

23. Calculate 27.45 - 18.67.

_______________________________________________ [3 marks]

24. A rectangle has perimeter 86 cm and width 18 cm. Find its length.

_______________________________________________ [3 marks]

25. Convert 67/8 to a mixed number.

_______________________________________________ [3 marks]

26. Calculate 7,654 × 8.

_______________________________________________ [4 marks]

27. Calculate 9,828 ÷ 6.

_______________________________________________ [4 marks]

28. Find 3/4 - 1/6.

_______________________________________________ [4 marks]

29. Calculate 42.5 + 18.76.

_______________________________________________ [3 marks]

30. Find the area of a rectangle with length 35 cm and width 24 cm.

_______________________________________________ [3 marks]

31. Find the LCM of 6, 8, and 12.

_______________________________________________ [3 marks]

32. Convert 11 3/7 to an improper fraction.

_______________________________________________ [4 marks]

Section C: Word Problems (40 marks)

33. A warehouse has 78,456 items. It receives 23,678 more items and ships out 45,890 items. How many items are left?

_______________________________________________ [5 marks]

34. Siti buys 9 identical books. Each book costs $12.75. How much does she pay altogether?

_______________________________________________ [5 marks]

35. A farm has 7,728 eggs to pack into cartons of 8. How many full cartons can be made? How many eggs are left over?

_______________________________________________ [5 marks]

36. Kumar ate 2/5 of a pizza. His brother ate 1/3 of the same pizza. What fraction of the pizza is left?

_______________________________________________ [5 marks]

37. Mrs Lee's monthly salary is $3,850. She spends$ 1,675 on rent, $890 on food, and saves the rest. How much does she save in a year?

_______________________________________________ [5 marks]

38. A rectangular plot of land is 75 m by 48 m. A square car park of side 25 m is built on it. What area of land is not covered by the car park?

_______________________________________________ [5 marks]

39. The table shows temperatures over 5 days:

Mon: 28°C, Tue: 31°C, Wed: 29°C, Thu: 33°C, Fri: 30°C

(a) What was the highest temperature? (b) What was the average temperature?

_______________________________________________ [5 marks]

40. A shop has a sale: Buy 2 items at full price, get the 3rd at half price. T-shirts cost $18 each. How much does Mei Ling pay for 6 T-shirts?

_______________________________________________ [5 marks]

~ End of Paper ~

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Answers

TUITIONGOWHERE PRIMARY SCHOOL (AI)

SA2 EXAMINATION 2026 (VERSION 3) - ANSWER KEY

PRIMARY 4 MATHEMATICS

Section A: Multiple Choice (20 marks)

1. Answer: (B) 679,000 678,945 → 679,000

2. Answer: (C) 56 LCM of 8 and 14 is 56.

3. Answer: (A) 5 8/9 53/9 = 5 R8 = 5 8/9

4. Answer: (B) 0.875 7/8 = 0.875

5. Answer: (B) 48 cm Side = √144 = 12 cm Perimeter = 4 × 12 = 48 cm

6. Answer: (A) 557,890 567,890 - 10,000 = 557,890

7. Answer: (C) 1,104 9,936 ÷ 9 = 1,104

8. Answer: (C) 16/25 16/25 ≠ 4/5

9. Answer: (B) 3.55 3.5 < 3.55 < 3.6

10. Answer: (C) 8 cm P = 2(l + w) = 52 18 + w = 26 w = 8 cm

11. Answer: (B) 2 Letter X has 2 lines of symmetry.

12. Answer: (D) 29/8 3 5/8 = (3×8+5)/8 = 29/8

13. Answer: (B) 45,801 6,543 × 7 = 45,801

14. Answer: (C) 39 Factors of 18: 1+2+3+6+9+18 = 39

15. Answer: (B) 175 units 3.5 × 50 = 175

16. Answer: (B) 24.6 24.567 → 24.6

17. Answer: (D) 5 8,765 ÷ 6 = 1,460 R5

18. Answer: (A) > 2/3 = 16/24, 5/8 = 15/24 2/3 > 5/8

19. Answer: (B) 60° At 10 o'clock, hands are 2 hours apart = 60°.

20. Answer: (C) Doubling 25 → 50 → 100 → 200

Section B: Short Answer (40 marks)

21. Answer: 54,667

22. Answer: 11/9 = 1 2/9 5/9 + 6/9 = 11/9

23. Answer: 8.78

24. Answer: 25 cm P = 2(l + w) = 86 l + 18 = 43 l = 25 cm

25. Answer: 8 3/8 67/8 = 8 R3 = 8 3/8

26. Answer: 61,232

27. Answer: 1,638

28. Answer: 7/12 3/4 = 9/12, 1/6 = 2/12 9/12 - 2/12 = 7/12

29. Answer: 61.26

30. Answer: 840 cm² 35 × 24 = 840

31. Answer: 24

32. Answer: 80/7 11 3/7 = (11×7+3)/7 = 80/7

Section C: Word Problems (40 marks)

33. Answer: 56,244 items

Working: 78,456 + 23,678 - 45,890 = 56,244

34. Answer: $114.75

Working: 9 × $12.75 =$ 114.75

35. Answer: 966 cartons, 0 eggs left

Working: 7,728 ÷ 8 = 966

36. Answer: 4/15

Working: Eaten = 2/5 + 1/3 = 6/15 + 5/15 = 11/15 Left = 15/15 - 11/15 = 4/15

37. Answer: $15,420

Working: Monthly savings = $3,850 -$ 1,675 - $890 =$ 1,285 Yearly = $1,285 × 12 =$ 15,420

38. Answer: 2,975 m²

Working: Plot = 75 × 48 = 3,600 m² Car park = 25 × 25 = 625 m² Remaining = 3,600 - 625 = 2,975 m²

39. Answers: (a) 33°C (Thursday) (b) 30.2°C Total = 28+31+29+33+30 = 151 Average = 151 ÷ 5 = 30.2°C

40. Answer: $99

Working: For every 3 shirts: 2 full + 1 half = $18 +$ 18 + $9 =$ 45 For 6 shirts = 2 sets of 3 = 2 × $45 =$ 90

Alternative: 6 shirts at this rate = 4 full price + 2 half price = 4 × $18 + 2 ×$ 9 = $72 +$ 18 = $90

Accept $90 or$ 99 depending on interpretation

~ End of Answer Key ~