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Celeste International School

Grade 5 · Worksheet

Multiplication and division (1)

Tests of divisibility

Name: ______________________________Date: ______________Score: ______ / 20
  1. 1.

    Which of these numbers is divisible by 3?

    1. A9203
    2. B43719
    3. C935
    4. D1007
  2. 2.

    To test if a number is divisible by 3, you check whether the sum of its digits is a multiple of 3.

    True False
  3. 3.

    9203 is divisible by 3.

    True False
  4. 4.

    935 is divisible by 3.

    True False
  5. 5.

    43719 is divisible by 3.

    True False
  6. 6.

    Which digit can go in the box to make 80□17 divisible by 3?

    1. A2
    2. B3
    3. C4
    4. D6
  7. 7.

    80517 is divisible by 3.

    True False
  8. 8.

    80817 is divisible by 3.

    True False
  9. 9.

    What is the test for divisibility by 9?

    1. AThe last digit is 9
    2. BThe sum of the digits is a multiple of 9
    3. CThe number is even
    4. DThe number ends in 0
  10. 10.

    495 is divisible by 9.

    True False
  11. 11.

    987 is divisible by 9.

    True False
  12. 12.

    3594 is divisible by 9.

    True False
  13. 13.

    Which of these numbers is divisible by 9?

    1. A110
    2. B108
    3. C115
    4. D121
  14. 14.

    Starting at 99, what is the next number that is divisible by 9?

  15. 15.

    Start at 99 and list the numbers divisible by 9. What is the fourth one after 99?

  16. 16.

    Put these multiples of 9 in order, from smallest to largest.

    Write the order (smallest to largest) in the boxes:

    • ?135
    • ?108
    • ?126
    • ?117
  17. 17.

    What is the test for divisibility by 6?

    1. AThe number ends in 6
    2. BThe number is even and divisible by 3
    3. CThe number is divisible by 2 and 4
    4. DThe sum of the digits is 6
  18. 18.

    3594 is divisible by 6.

    True False
  19. 19.

    987 is divisible by 6.

    True False
  20. 20.

    495 is divisible by 6.

    True False
Celeste International School

Answer key

Multiplication and division (1) — Tests of divisibility

  1. 1.B. 43719
  2. 2.True
  3. 3.False
  4. 4.False
  5. 5.True
  6. 6.A. 2
  7. 7.True
  8. 8.True
  9. 9.B. The sum of the digits is a multiple of 9
  10. 10.True
  11. 11.False
  12. 12.False
  13. 13.B. 108
  14. 14.108
  15. 15.135
  16. 16.108, 117, 126, 135
  17. 17.B. The number is even and divisible by 3
  18. 18.True
  19. 19.False
  20. 20.False