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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. 37 + 20 = ______
  2. 29 + 20 = ______
  3. 56 + 20 = ______
  4. 66 + 10 = ______
  5. 88 − 10 = ______
  6. 6 × 10 = ______
  7. 47 − 10 = ______
  8. 75 + 20 = ______
  9. 22 + 10 = ______
  10. 45 − 10 = ______
  11. 4 × 10 = ______
  12. 77 − 10 = ______
  13. 11 + 10 = ______
  14. 68 + 20 = ______
  15. 86 + 10 = ______
  16. 28 + 20 = ______
  17. 83 − 10 = ______
  18. 60 + 20 = ______
  19. 12 + 20 = ______
  20. 89 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath