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Primary 4 Mathematics Semestral Assessment 1 (Mid-Year) Paper 5

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Questions

TUITIONGOWHERE PRIMARY SCHOOL (AI)

SA1 EXAMINATION 2026 (VERSION 5)

PRIMARY 4 MATHEMATICS

Duration: 1 hour 30 minutes Total Marks: 100

INSTRUCTIONS TO STUDENTS

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

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

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

Section A: Multiple Choice Questions (20 marks)

For each question, choose the correct answer.

1. What is 56,789 rounded to the nearest ten thousand?

(A) 50,000 (B) 56,000 (C) 57,000 (D) 60,000

( ) [1 mark]

2. Which number is a common factor of 28 and 42?

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

( ) [1 mark]

3. Convert 5 2/9 to an improper fraction.

(A) 45/9 (B) 47/9 (C) 52/9 (D) 43/9

( ) [1 mark]

4. What is 3/4 as a decimal?

(A) 0.34 (B) 0.75 (C) 0.43 (D) 0.25

( ) [1 mark]

5. What is the perimeter of a rectangle with length 19 cm and width 13 cm?

(A) 32 cm (B) 64 cm (C) 247 cm (D) 52 cm

( ) [1 mark]

6. What is the value of 7 in 87,654?

(A) 7 (B) 70 (C) 700 (D) 7,000

( ) [1 mark]

7. What is 8,136 ÷ 6?

(A) 1,356 (B) 1,346 (C) 1,366 (D) 1,336

( ) [1 mark]

8. Which fraction is NOT equivalent to 3/4?

(A) 6/8 (B) 9/12 (C) 12/15 (D) 15/20

( ) [1 mark]

9. Arrange in ascending order: 3.405, 3.45, 3.045

(A) 3.045, 3.405, 3.45 (B) 3.45, 3.405, 3.045 (C) 3.405, 3.045, 3.45 (D) 3.045, 3.45, 3.405

( ) [1 mark]

10. A rectangle has area 180 cm² and width 9 cm. What is its length?

(A) 15 cm (B) 18 cm (C) 20 cm (D) 171 cm

( ) [1 mark]

11. What is the LCM of 8 and 12?

(A) 4 (B) 24 (C) 48 (D) 96

( ) [1 mark]

12. How many quarters are there in 6 3/4?

(A) 24 (B) 25 (C) 27 (D) 28

( ) [1 mark]

13. What is 6,754 × 9?

(A) 60,686 (B) 60,786 (C) 60,876 (D) 60,986

( ) [1 mark]

14. Convert 37/6 to a mixed number.

(A) 6 1/6 (B) 5 7/6 (C) 6 1/7 (D) 7 1/6

( ) [1 mark]

15. Which shows all factors of 32?

(A) 1, 2, 4, 8, 16, 32 (B) 1, 2, 4, 6, 8, 16, 32 (C) 2, 4, 8, 16, 32 (D) 1, 2, 3, 4, 8, 16, 32

( ) [1 mark]

16. What is 8.995 rounded to the nearest tenth?

(A) 8.9 (B) 9.0 (C) 8.99 (D) 9.1

( ) [1 mark]

17. 7,560 ÷ 9 = ?

(A) 830 (B) 840 (C) 850 (D) 860

( ) [1 mark]

18. Which is greater: 4/7 or 3/5?

(A) 4/7 (B) 3/5 (C) They are equal (D) Cannot be determined

( ) [1 mark]

19. What number is 100 more than 45,908?

(A) 46,008 (B) 45,918 (C) 46,908 (D) 55,908

( ) [1 mark]

20. A square has perimeter 52 cm. What is its area?

(A) 144 cm² (B) 156 cm² (C) 169 cm² (D) 196 cm²

( ) [1 mark]

Section B: Short Answer Questions (40 marks)

21. Calculate 54,678 + 38,945.

Show your working.

_______________________________________________ [3 marks]

22. Find 8/11 - 3/11.

Show your working.

_______________________________________________ [3 marks]

23. Calculate 9.36 + 12.78.

Show your working.

_______________________________________________ [3 marks]

24. A rectangle has perimeter 94 cm and length 27 cm. Find its width.

Show your working.

_______________________________________________ [3 marks]

25. Convert 53/8 to a mixed number.

Show your working.

_______________________________________________ [3 marks]

26. Calculate 7,896 × 6.

Show your working.

_______________________________________________ [4 marks]

27. Calculate 9,567 ÷ 7.

Show your working.

_______________________________________________ [4 marks]

28. Find 3/8 + 1/4.

Show your working.

_______________________________________________ [4 marks]

29. Calculate 18.3 - 9.47.

Show your working.

_______________________________________________ [3 marks]

30. Find the area of a rectangle with length 25 cm and width 18 cm.

Show your working.

_______________________________________________ [3 marks]

31. List the first 4 common multiples of 4 and 5.

_______________________________________________ [3 marks]

32. Convert 9 3/5 to an improper fraction.

Show your working.

_______________________________________________ [4 marks]

Section C: Word Problems (40 marks)

33. A library has 45,678 books. They receive a donation of 12,345 books but have to discard 8,976 damaged books. How many books does the library have now?

Show your working clearly.

_______________________________________________ [5 marks]

34. A machine produces 2,475 parts per hour. How many parts does it produce in 6 hours?

Show your working clearly.

_______________________________________________ [5 marks]

35. A school has 6,048 markers to distribute equally among 7 classes. How many markers does each class get?

Show your working clearly.

_______________________________________________ [5 marks]

36. Kumar used 5/12 of his paint for a wall and 4/12 for a door. What fraction of his paint did he use altogether?

Show your working clearly.

_______________________________________________ [5 marks]

37. Siti bought 5.67 kg of flour and 3.85 kg of sugar. What is the total mass of items she bought?

Show your working clearly.

_______________________________________________ [5 marks]

38. A rectangular garden has length 32 m and width 24 m. A rectangular pathway inside the garden has length 10 m and width 3 m. What is the area of the garden not covered by the pathway?

Show your working clearly.

_______________________________________________ [5 marks]

39. Mrs Wong earns 3,250permonth.Shespends3,250 per month. She spends 2,175 each month. How much does she save in 8 months?

Show your working clearly.

_______________________________________________ [5 marks]

40. A fruit seller sold 5,678 oranges on Monday. On Tuesday, she sold 2,134 fewer oranges than Monday. On Wednesday, she sold 3,456 more oranges than Tuesday. How many oranges did she sell on Wednesday?

Show your working clearly.

_______________________________________________ [5 marks]

~ End of Paper ~

Answers

TUITIONGOWHERE PRIMARY SCHOOL (AI)

SA1 EXAMINATION 2026 (VERSION 5) - ANSWER KEY

PRIMARY 4 MATHEMATICS

Section A: Multiple Choice (20 marks)

1. Answer: (D) 60,000 56,789 → Look at thousands (6), round up to 60,000.

2. Answer: (C) 7 Factors of 28: 1, 2, 4, 7, 14, 28 Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42 7 is a common factor.

3. Answer: (B) 47/9 5 2/9 = (5 × 9 + 2)/9 = (45 + 2)/9 = 47/9

4. Answer: (B) 0.75 3/4 = 3 ÷ 4 = 0.75

5. Answer: (B) 64 cm Perimeter = 2(length + width) = 2(19 + 13) = 2 × 32 = 64 cm

6. Answer: (D) 7,000 In 87,654, the digit 7 is in the thousands place = 7,000.

7. Answer: (A) 1,356 8,136 ÷ 6 = 1,356

8. Answer: (C) 12/15 12/15 = 4/5, not 3/4. All others equal 3/4.

9. Answer: (A) 3.045, 3.405, 3.45 3.045 < 3.405 < 3.45

10. Answer: (C) 20 cm Area = length × width 180 = length × 9 Length = 20 cm

11. Answer: (B) 24 LCM of 8 and 12 is 24.

12. Answer: (C) 27 6 3/4 = 27/4, so 27 quarters.

13. Answer: (B) 60,786 6,754 × 9 = 60,786

14. Answer: (A) 6 1/6 37/6 = 37 ÷ 6 = 6 remainder 1 = 6 1/6

15. Answer: (A) 1, 2, 4, 8, 16, 32 All factors of 32.

16. Answer: (B) 9.0 8.995 rounded to nearest tenth: Look at hundredths (9), round up to 9.0.

17. Answer: (B) 840 7,560 ÷ 9 = 840

18. Answer: (B) 3/5 4/7 = 20/35, 3/5 = 21/35. Since 21/35 > 20/35, 3/5 is greater.

19. Answer: (A) 46,008 45,908 + 100 = 46,008

20. Answer: (C) 169 cm² Perimeter = 52 cm, so side = 52 ÷ 4 = 13 cm Area = 13 × 13 = 169 cm²

Section B: Short Answer (40 marks)

21. Answer: 93,623

  54,678
+ 38,945
--------
  93,623

22. Answer: 5/11 8/11 - 3/11 = 5/11

23. Answer: 22.14

   9.36
+ 12.78
-------
  22.14

24. Answer: 20 cm Perimeter = 2(length + width) 94 = 2(27 + width) 47 = 27 + width Width = 20 cm

25. Answer: 6 5/8 53/8 = 53 ÷ 8 = 6 remainder 5 = 6 5/8

26. Answer: 47,376

  7,896
×     6
-------
 47,376

27. Answer: 1,366 remainder 5 or 1,366 R5 9,567 ÷ 7 = 1,366 remainder 5

28. Answer: 5/8 1/4 = 2/8 3/8 + 2/8 = 5/8

29. Answer: 8.83

 18.30
-  9.47
-------
  8.83

30. Answer: 450 cm² Area = length × width = 25 × 18 = 450 cm²

31. Answer: 20, 40, 60, 80 LCM of 4 and 5 is 20. Common multiples: 20, 40, 60, 80...

32. Answer: 48/5 9 3/5 = (9 × 5 + 3)/5 = (45 + 3)/5 = 48/5

Section C: Word Problems (40 marks)

33. Answer: 49,047 books

Working:

  • Started with: 45,678 books
  • Donation: +12,345 books
  • Discarded: -8,976 books
  • Books now = 45,678 + 12,345 - 8,976 = 49,047 books

34. Answer: 14,850 parts

Working: Parts in 6 hours = 2,475 × 6 = 14,850 parts

35. Answer: 864 markers

Working: Markers per class = 6,048 ÷ 7 = 864 markers

36. Answer: 9/12 = 3/4

Working: Fraction used = 5/12 + 4/12 = 9/12 = 3/4

37. Answer: 9.52 kg

Working: Total mass = 5.67 + 3.85 = 9.52 kg

38. Answer: 738 m²

Working:

  • Area of garden = 32 × 24 = 768 m²
  • Area of pathway = 10 × 3 = 30 m²
  • Area not covered = 768 - 30 = 738 m²

39. Answer: $8,600

Working:

  • Savings per month = 3,250−3,250 - 2,175 = $1,075
  • Savings in 8 months = 1,075×8=1,075 × 8 = 8,600

40. Answer: 7,000 oranges

Working:

  • Monday: 5,678 oranges
  • Tuesday: 5,678 - 2,134 = 3,544 oranges
  • Wednesday: 3,544 + 3,456 = 7,000 oranges

~ End of Answer Key ~