Class 4 Maths Worksheet – Answers

Topic: Factors and Multiples

A. Fill in the blanks

1. 3, 6, 9, 12, 15
2. 1, 2, 4, 8
3. 1
4. 1
5. 2

B. Write True or False

1. 4 is a factor of 20. — True
2. 15 is a multiple of 5. — True
3. 6 is a factor of 25. — False
4. Every number is a factor of itself. — True
5. 12 is a multiple of 7. — False

C. Find the factors

1. 10: 1, 2, 5, 10
2. 12: 1, 2, 3, 4, 6, 12
3. 15: 1, 3, 5, 15
4. 18: 1, 2, 3, 6, 9, 18
5. 20: 1, 2, 4, 5, 10, 20

D. Write the first five multiples

1. Multiples of 4: 4, 8, 12, 16, 20
2. Multiples of 6: 6, 12, 18, 24, 30
3. Multiples of 7: 7, 14, 21, 28, 35
4. Multiples of 8: 8, 16, 24, 32, 40
5. Multiples of 9: 9, 18, 27, 36, 45

E. Solve the following

1. Common factors of 12 and 18: 1, 2, 3, 6
2. First three common multiples of 2 and 3: 6, 12, 18
3. Is 24 a multiple of 6? Yes
4. Is 5 a factor of 35? Yes
5. Which is a factor of 16: 3, 4 or 5? 4

F. Word problems

1. Riya has 12 chocolates. Two possible arrangements are:

• 2 rows of 6 chocolates
• 3 rows of 4 chocolates

2. The two bells will ring together again after 12 minutes.

Explanation: The first three common multiples of 4 and 6 are 12, 24 and 36. The smallest is 12.