Primary 4 Mathematics · Chapter 2 · Revision paper

Chapter 2 Revision Paper: Factors and Multiples

Name:Date:Marks: / 30

Time: 40 minutes. Calculators are not allowed. Show your working in Section C.

Section A · Multiple choice 10 marks

1. What is the remainder when 83 is divided by 9?1 mark

(A) 9(B) 1(C) 8(D) 2

2. Hui packs 50 stickers into packets of 8. How many full packets can she make?1 mark

(A) 6(B) 7(C) 2(D) 5

3. Which of these is a factor of 45?1 mark

(A) 7(B) 9(C) 8(D) 10

4. Which of these is a prime number?1 mark

(A) 39(B) 51(C) 31(D) 57

5. Which list shows ALL the common factors of 12 and 30?1 mark

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

6. What is the greatest common factor of 28 and 42?1 mark

(A) 14(B) 7(C) 84(D) 2

7. What is the 9th multiple of 6?1 mark

(A) 15(B) 54(C) 63(D) 48

8. Which of these is NOT a multiple of 7?1 mark

(A) 63(B) 84(C) 75(D) 91

9. What is the smallest number that is a multiple of both 10 and 15?1 mark

(A) 5(B) 150(C) 60(D) 30

10. Which of these is a common multiple of 4 and 6?1 mark

(A) 36(B) 18(C) 16(D) 30

Section B · Short answers 4 marks

11. A number divided by 7 gives a quotient of 9 and a remainder of 4. What is the number?1 mark

12. List all the factors of 28.1 mark

13. Find the greatest common factor of 24 and 40.1 mark

14. Write the first three common multiples of 6 and 9.1 mark

Section C · Show your working 16 marks

15. A baker has 94 buns. She packs 8 buns in each box. How many boxes does she need to pack ALL the buns?2 marks

16. Write down all the factors of 48 that are greater than 5 and smaller than 20.2 marks

17. Mei has 42 apples and 63 oranges. She packs them into identical bags. All the fruit is used, and every bag has the same number of apples and the same number of oranges. What is the greatest number of bags she can pack?2 marks

18. The 8th multiple of a number is 96. What is the 5th multiple of the same number?2 marks

19. How many multiples of 7 are there between 50 and 100?2 marks

20. Bus A leaves the interchange every 12 minutes. Bus B leaves every 15 minutes. Both buses leave together at 8:00 a.m. At what time will they next leave together?2 marks

21. Jun has more than 80 and fewer than 100 stamps. When he puts them in rows of 6, there are 3 stamps left over. When he puts them in rows of 8, there are also 3 stamps left over. How many stamps does he have?2 marks

22. A red light flashes every 18 seconds. A blue light flashes every 24 seconds. They flash together at the start. How many more times will they flash together in the next 5 minutes? (Do not count the flash at the start.)2 marks

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