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Mental Math Worksheet

Recommended for 1st Grade — 5th Grade

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Mental Math Worksheet

Name: ____________________Date: ____________

Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.

20 problems

  1. 16 + 10 = ______
  2. 2 × 10 = ______
  3. 21 − 10 = ______
  4. 75 + 20 = ______
  5. 7 × 10 = ______
  6. 70 + 20 = ______
  7. 44 + 20 = ______
  8. 44 + 10 = ______
  9. 83 + 20 = ______
  10. 27 + 10 = ______
  11. 24 + 10 = ______
  12. 48 + 20 = ______
  13. 5 × 10 = ______
  14. 6 × 10 = ______
  15. 65 − 10 = ______
  16. 13 + 20 = ______
  17. 80 − 10 = ______
  18. 44 − 10 = ______
  19. 31 − 10 = ______
  20. 60 + 10 = ______