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Primary 5 Mathematics Semestral Assessment 2 (End of Year) Paper 4

Free P5 Maths SA2 Paper 4, Ox Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 5 Mathematics From Real Exams Generated by Ox Alpha Updated 2026-08-27

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Questions

Primary 5 Mathematics Quiz - Whole Numbers

TuitionGoWhere Exam Practice (AI) SA2 Whole Numbers Practice Paper — Version 4 of 5

Subject: Mathematics Level: Primary 5 (Standard) Paper: SA2 Practice Paper — Whole Numbers (Version 4 of 5) Duration: 1 hour 10 minutes Total Marks: 50 Name: ______________________ Class: ______________________ Date: ______________________

Instructions:

Answer all 20 questions. Do not use a calculator.
Show your working clearly in the spaces provided. Marks are awarded for method as well as final answers.
Include units (e.g., $, books, boxes) where required.
Section A: Q1–5 (5 marks). Section B: Q6–10 (10 marks). Section C: Q11–15 (15 marks). Section D: Q16–20 (20 marks).

Section A (Questions 1–5, 1 mark each)

1. Write 7,045,203 in words.

Answer: ______________________________________________________________

2. In the number 8,306,571, what is the value of the digit 3?

Answer: ______________________________________________________________

3. Round 4,586,912 to the nearest thousand. You may use the number line to help you.

Image pending generation: diagram for Q3.

Answer: ______________________________________________________________

4. Write in figures: 5,000,000 + 400,000 + 7,000 + 60 + 9

Answer: ______________________________________________________________

5. Arrange the following numbers in descending order (largest first):

2,315,806 2,351,608 2,315,860 2,305,861

Answer: ______________________________________________________________

Section B (Questions 6–10, 2 marks each)

6. Find the product of 406 and 27.

Working:

Answer: ______________________________________________________________

7. Divide 8,247 by 15. Give your answer as quotient and remainder.

Working:

Answer: Quotient = ____________ Remainder = ____________

8. A number, when rounded to the nearest ten thousand, becomes 260,000. (a) What is the greatest possible number? (b) What is the smallest possible number?

Answer: (a) Greatest = ____________ (b) Smallest = ____________

9. List all the factors of 72.

Answer: ______________________________________________________________

10. Fill in the blanks: (a) 45 × 200 = ________ (b) 5,600 ÷ 80 = ________

Answer: (a) ____________ (b) ____________

Section C (Questions 11–15, 3 marks each)

11. A warehouse had 125 boxes of pens. Each box contained 48 pens. 360 pens were sold. How many pens were left?

Working:

Answer: ______________________________________________________________

12. Mr Lim earns $2,450 per month. He saves$ 780 each month and spends the rest. How much does he spend in 6 months?

Working:

Answer: ______________________________________________________________

13. A factory packs 3,168 bottles into crates of 25 bottles each. How many full crates are there, and how many bottles are left unpacked?

Working:

Answer: Full crates = ____________ Bottles left = ____________

14. The sum of two numbers is 12,480. One number is 3 times the other. Find the larger number.

Working:

Answer: ______________________________________________________________

15. Ravi bought a bicycle for $385 and a helmet for$ 65. He had $250 left after paying. How much money did he have at first?

Working:

Answer: ______________________________________________________________

Section D (Questions 16–20, 4 marks each)

16. A bookshop sold 145 storybooks on Monday. On Tuesday, it sold 3 times as many storybooks as on Monday. On Wednesday, it sold 90 fewer storybooks than on Tuesday. How many storybooks did the bookshop sell altogether over the three days?

Working:

Answer: ______________________________________________________________

17. Mrs Tan has 4,800 beads. She uses 36 beads to make one bracelet. What is the maximum number of bracelets she can make, and how many beads will be left over?

Working:

Answer: Bracelets = ____________ Beads left = ____________

18. The difference between two numbers is 8,546. The smaller number is 2,379. Find the sum of the two numbers.

Working:

Answer: ______________________________________________________________

19. A cinema hall has 28 rows of seats with 24 seats in each row. During a show, 512 tickets were sold. How many seats were empty?

Working:

Answer: ______________________________________________________________

20. Company A printed 5,250 flyers. Company B printed twice as many flyers as Company A. Company C printed 1,340 more flyers than Company B. How many flyers did the three companies print altogether?

Working:

Answer: ______________________________________________________________

— END OF PAPER —

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Answers

Primary 5 Mathematics Quiz - Whole Numbers — Answer Key

TuitionGoWhere Exam Practice (AI) SA2 Whole Numbers Practice Paper — Version 4 of 5 — Answers

Total Marks: 50

Section A (1 mark each)

1. Seven million, forty-five thousand, two hundred and three. (1)

2. 300,000 (the digit 3 is in the hundred-thousands place). (1)

3. 4,587,000 (4,586,912 lies to the right of the midpoint 4,586,500, so round up). (1)

4. 5,407,069. (1)

5. Descending order: 2,351,608; 2,315,860; 2,315,806; 2,305,861. (1)

Section B (2 marks each)

6. 406 × 27 = 406 × 20 + 406 × 7 = 8,120 + 2,842 = 10,962. (2)

7. 8,247 ÷ 15 = 549 remainder 12 (15 × 549 = 8,235; 8,247 − 8,235 = 12). (2)

8. (a) Greatest possible number = 264,999. (b) Smallest possible number = 255,000. (1 + 1)

9. Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72. (2)

10. (a) 45 × 200 = 9,000. (b) 5,600 ÷ 80 = 70. (1 + 1)

Section C (3 marks each)

11. Total pens = 125 × 48 = 6,000. Pens left = 6,000 − 360 = 5,640 pens. M1: 125 × 48; M1: subtract; A1

12. Spent per month = 2,450 − 780 = 1,670. Spent in 6 months = 1,670 × 6 = $10,020. M1: 2,450 − 780; M1: × 6; A1

13. 3,168 ÷ 25 = 126 remainder 18 (25 × 126 = 3,150). Full crates = 126; bottles left = 18. M1: divide; A1: 126; A1: 18

14. Units: small number = 1 unit, large number = 3 units. 4 units = 12,480, so 1 unit = 3,120. Larger number = 3 × 3,120 = 9,360. M1: 4 units; M1: 1 unit = 3,120; A1

15. Money at first = 385 + 65 + 250 = $700. M1: add purchases; M1: add leftover; A1

Section D (4 marks each)

16. Monday = 145. Tuesday = 145 × 3 = 435. Wednesday = 435 − 90 = 345. Total = 145 + 435 + 345 = 925 storybooks. M1: Tuesday; M1: Wednesday; M1: total; A1

17. 4,800 ÷ 36 = 133 remainder 12 (36 × 133 = 4,788). Bracelets = 133; beads left = 12. M1: divide; A1: 133; A1: 12; A1: correct interpretation of remainder

18. Larger number = 8,546 + 2,379 = 10,925. Sum = 10,925 + 2,379 = 13,304. M1: find larger number; M1: add; A1: 13,304; A1: clear working

19. Total seats = 28 × 24 = 672. Empty seats = 672 − 512 = 160 seats. M1: 28 × 24; M1: subtract; A1: 160; A1: units stated

20. Company B = 5,250 × 2 = 10,500. Company C = 10,500 + 1,340 = 11,840. Total = 5,250 + 10,500 + 11,840 = 27,590 flyers. M1: B; M1: C; M1: total; A1

Marking notes: Award method marks even if the final answer is wrong, provided the working shown is correct and appropriate. Deduct only for arithmetic slips within an otherwise correct method. Require correct units ($, pens, crates, bracelets, beads, seats, flyers) for full credit on word problems.