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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. 52 + 20 = ______
  2. 66 + 20 = ______
  3. 1 × 10 = ______
  4. 28 + 20 = ______
  5. 44 + 20 = ______
  6. 5 × 10 = ______
  7. 26 + 10 = ______
  8. 8 × 10 = ______
  9. 91 − 10 = ______
  10. 58 + 20 = ______
  11. 44 + 10 = ______
  12. 47 − 10 = ______
  13. 2 × 10 = ______
  14. 59 + 20 = ______
  15. 33 + 20 = ______
  16. 61 − 10 = ______
  17. 65 + 20 = ______
  18. 29 + 20 = ______
  19. 93 − 10 = ______
  20. 23 + 20 = ______