Factors and Multiples

Front

Which of these numbers is a multiple of 20? Options: 1, 5, 25, 40

Back

40

Front

Write down the first four multiples of 6

Back

6, 12, 18, 24

Front

Write down the first even multiple of 9

Back

18

Front

List all the multiples of 7 from the numbers: 1, 7, 9, 12, 21, 23, 30, 36, 42.

Back

7, 21, 42

Front

The factors of 30 are 1, 2, 3, 5, ?, 10, ? 30. What are the two missing numbers?

Back

6 and 15

Front

From the list of numbers: 3, 5, 7, 9, 11, 15, 24, write down a factor of 12.

Back

3

Front

From the list of numbers: 3, 5, 7, 9, 11, 15, 24, write down all the factors of 21.

Back

3 and 7

Front

List of numbers: 6, 10, 11, 16, 24, 30, 40. Which numbers are multiples of 10?

Back

10, 30 and 40

Front

Write down a number less than 30 that is a multiple of both 4 and 5.

Back

20