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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. 68 − 10 = ______
  2. 55 + 20 = ______
  3. 39 + 20 = ______
  4. 35 + 20 = ______
  5. 54 + 10 = ______
  6. 33 + 20 = ______
  7. 28 + 10 = ______
  8. 76 − 10 = ______
  9. 32 − 10 = ______
  10. 22 + 10 = ______
  11. 38 + 20 = ______
  12. 9 × 10 = ______
  13. 23 + 10 = ______
  14. 86 + 10 = ______
  15. 43 + 10 = ______
  16. 44 − 10 = ______
  17. 80 + 10 = ______
  18. 71 − 10 = ______
  19. 7 × 10 = ______
  20. 40 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath