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Primary 4 Mathematics Weighted Assessment 2 (Term 3) Paper 3

Free P4 Maths WA2 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)

WEIGHTED ASSESSMENT 2 EXAMINATION 2026 (VERSION 3)

PRIMARY 4 MATHEMATICS

Duration: 50 minutes Total Marks: 60

INSTRUCTIONS TO STUDENTS

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

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

Section	Marks
A (MCQ)	/15
B (Short Answer)	/20
C (Word Problems)	/25
Total	/60

Section A: Multiple Choice Questions (15 marks)

For each question, choose the correct answer.

1. What is 7.89 + 4.56?

(A) 11.45 (B) 12.35 (C) 12.45 (D) 11.35

( ) [1 mark]

2. What is 15.6 - 8.78?

(A) 7.82 (B) 6.92 (C) 6.82 (D) 7.92

( ) [1 mark]

3. How many lines of symmetry does a rectangle have?

(A) 1 (B) 2 (C) 4 (D) 6

( ) [1 mark]

4. What is the angle between North and East on a compass?

(A) 45° (B) 90° (C) 180° (D) 270°

( ) [1 mark]

5. Round 12.395 to 2 decimal places.

(A) 12.39 (B) 12.40 (C) 12.4 (D) 12.3

( ) [1 mark]

6. Which capital letter has only 1 line of symmetry?

(A) O (B) X (C) A (D) H

( ) [1 mark]

7. What is 9.5 × 4?

(A) 36.0 (B) 37.0 (C) 38.0 (D) 39.0

( ) [1 mark]

8. What type of angle is 91°?

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

( ) [1 mark]

9. What is 14.4 ÷ 9?

(A) 1.4 (B) 1.5 (C) 1.6 (D) 1.7

( ) [1 mark]

10. Which decimal is the largest?

(A) 5.09 (B) 5.9 (C) 5.009 (D) 5.089

( ) [1 mark]

11. The minute hand turns through how many degrees in 30 minutes?

(A) 90° (B) 180° (C) 270° (D) 360°

( ) [1 mark]

12. What is 18.05 - 9.67?

(A) 8.38 (B) 8.48 (C) 9.38 (D) 9.48

( ) [1 mark]

13. How many lines of symmetry does the letter M have?

(A) 0 (B) 1 (C) 2 (D) 3

( ) [1 mark]

14. What is 0.45 × 8?

(A) 3.2 (B) 3.4 (C) 3.6 (D) 3.8

( ) [1 mark]

15. Two angles are supplementary. One angle is 65°. What is the other angle?

(A) 25° (B) 115° (C) 125° (D) 295°

( ) [1 mark]

Section B: Short Answer Questions (20 marks)

Write your answers in the spaces provided. Show your working clearly.

16. Calculate 45.78 + 36.95.

Show your working.

_______________________________________________ [2 marks]

17. Calculate 32.5 - 18.76.

Show your working.

_______________________________________________ [2 marks]

18. Round 8.047 to 1 decimal place.

Answer: ________________ [2 marks]

19. Calculate 4.25 × 8.

Show your working.

_______________________________________________ [2 marks]

20. Calculate 16.8 ÷ 7.

Show your working.

_______________________________________________ [2 marks]

21. Complete the symmetric figure below. The dotted line is the line of symmetry.

  * *
  * * |
  *   |
      |

[2 marks]

22. An angle is 145°. What type of angle is it? What angle added to it makes a straight angle?

Type: ______________ Angle needed: ________° [2 marks]

23. Calculate 8.75 - 2.9 + 4.35.

Show your working.

_______________________________________________ [2 marks]

24. How many degrees does the hour hand move in 3 hours? (The hour hand moves 30° per hour)

Answer: _______° [2 marks]

25. Calculate 21.42 ÷ 7.

Show your working.

_______________________________________________ [2 marks]

Section C: Word Problems (25 marks)

Show your working clearly and write your final answers in the spaces provided.

26. A watermelon weighs 5.75 kg and a papaya weighs 2.48 kg. What is the difference in their weights?

Show your working.

_______________________________________________ [4 marks]

27. Mrs Lee had $85.60. She bought groceries for$ 47.85. How much money did she have left?

Show your working.

_______________________________________________ [4 marks]

28. A piece of wire is 32.4 m long. It is cut into 9 equal pieces. What is the length of each piece?

Show your working.

_______________________________________________ [5 marks]

29. A baker uses 0.85 kg of flour to make one cake. How much flour does he need to make 8 cakes?

Show your working.

_______________________________________________ [5 marks]

30. In a quadrilateral, three angles measure 75°, 82°, and 95°. Find the fourth angle.

Show your working.

_______________________________________________ [7 marks]

~ End of Paper ~

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Answers

TUITIONGOWHERE PRIMARY SCHOOL (AI)

WEIGHTED ASSESSMENT 2 EXAMINATION 2026 (VERSION 3) - ANSWER KEY

PRIMARY 4 MATHEMATICS

Section A: Multiple Choice (15 marks)

1. Answer: (C) 12.45 7.89 + 4.56 = 12.45

2. Answer: (C) 6.82 15.60 - 8.78 = 6.82

3. Answer: (B) 2 A rectangle has 2 lines of symmetry (one horizontal, one vertical through the center).

4. Answer: (B) 90° North to East is a quarter turn = 90°.

5. Answer: (B) 12.40 12.395 → Look at thousandths (5), round up to 12.40.

6. Answer: (C) A The letter A has only 1 vertical line of symmetry.

7. Answer: (C) 38.0 9.5 × 4 = 38.0

8. Answer: (C) Obtuse 91° is between 90° and 180°, so it's obtuse.

9. Answer: (C) 1.6 14.4 ÷ 9 = 1.6

10. Answer: (B) 5.9 5.9 = 5.900, which is the largest.

11. Answer: (B) 180° In 30 minutes, the minute hand completes half a turn = 180°.

12. Answer: (A) 8.38 18.05 - 9.67 = 8.38

13. Answer: (B) 1 The letter M has 1 vertical line of symmetry.

14. Answer: (C) 3.6 0.45 × 8 = 3.60

15. Answer: (B) 115° Supplementary angles add up to 180°. Other angle = 180° - 65° = 115°

Section B: Short Answer (20 marks)

16. Answer: 82.73

  45.78
+ 36.95
-------
  82.73

17. Answer: 13.74

  32.50
- 18.76
-------
  13.74

18. Answer: 8.0 8.047 → Look at hundredths (4), round down to 8.0.

19. Answer: 34.0 or 34 4.25 × 8 = 34.00

20. Answer: 2.4 16.8 ÷ 7 = 2.4

21. Answer: Mirror image completed The reflected figure should show the mirror image of the given pattern.

22. Answer: Obtuse, 35° 145° is obtuse (between 90° and 180°). Angle needed = 180° - 145° = 35°

23. Answer: 10.2 8.75 - 2.90 + 4.35 = 5.85 + 4.35 = 10.20

24. Answer: 90° Hour hand moves 30° per hour. In 3 hours: 30° × 3 = 90°

25. Answer: 3.06 21.42 ÷ 7 = 3.06

Section C: Word Problems (25 marks)

26. Answer: 3.27 kg

Working: Difference = 5.75 - 2.48 = 3.27 kg

27. Answer: $37.75

Working: Money left = $85.60 -$ 47.85 = $37.75

28. Answer: 3.6 m

Working: Length of each piece = 32.4 ÷ 9 = 3.6 m

29. Answer: 6.8 kg

Working: Flour needed = 0.85 × 8 = 6.80 kg

30. Answer: 108°

Working:

Sum of angles in quadrilateral = 360°
Three angles = 75° + 82° + 95° = 252°
Fourth angle = 360° - 252° = 108°

~ End of Answer Key ~