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Celeste International School

Grade 1 · Worksheet

Calculating

Multiplication & division

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

    5 + 5 + 5 + 5 is the same as 5 x 4. What is 5 x 4?

  2. 2.

    An array has 5 rows with 4 dots in each row. How many dots altogether? (5 x 4)

  3. 3.

    5 x 4 gives the same answer as 4 x 5.

    True False
  4. 4.

    What is 2 x 6?

  5. 5.

    Double 5. What is 5 x 2?

  6. 6.

    Half of 10 x 4 = 40 gives which fact?

    1. A2 x 4 = 8
    2. B5 x 4 = 20
    3. C10 x 2 = 20
  7. 7.

    Which fact has the same answer as 5 x 4?

    1. A2 x 5
    2. B5 x 5
    3. C10 x 2
  8. 8.

    Share 20 into 4 equal groups: 20 / 4 = ?

  9. 9.

    What is 50 / 5?

  10. 10.

    2 x 6 = 12. What is the inverse division fact?

    1. A6 x 2 = 12
    2. B12 / 2 = 6
    3. C12 + 2 = 14
  11. 11.

    An array shows 5 x 4 = 20. Which division fact does it also show?

    1. A20 - 4 = 16
    2. B20 / 3 = 6
    3. C20 / 4 = 5
  12. 12.

    Finding a quarter of a number is the same as dividing by...?

    1. A2
    2. B4
    3. C5
  13. 13.

    Work out each answer, then order them from the smallest to the largest.

    Write the order (smallest answer first) in the boxes:

    • ?5 x 4
    • ?10 x 3
    • ?2 x 3
  14. 14.

    What is 2 x 5?

  15. 15.

    What is 80 / 10?

  16. 16.

    What is 30 x 6?

  17. 17.

    What is 10 x 2?

  18. 18.

    What is 7 x 7?

  19. 19.

    What is 8 x 9?

  20. 20.

    What is 30 / 6?

Celeste International School

Answer key

Calculating — Multiplication & division

  1. 1.20
  2. 2.20
  3. 3.True
  4. 4.12
  5. 5.10
  6. 6.B. 5 x 4 = 20
  7. 7.C. 10 x 2
  8. 8.5
  9. 9.10
  10. 10.B. 12 / 2 = 6
  11. 11.C. 20 / 4 = 5
  12. 12.B. 4
  13. 13.2 x 3, 5 x 4, 10 x 3
  14. 14.10
  15. 15.8
  16. 16.180
  17. 17.20
  18. 18.49
  19. 19.72
  20. 20.5