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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. 56 + 10 = ______
  2. 89 + 20 = ______
  3. 26 + 10 = ______
  4. 64 + 20 = ______
  5. 88 + 10 = ______
  6. 43 + 20 = ______
  7. 86 + 10 = ______
  8. 69 + 20 = ______
  9. 55 + 20 = ______
  10. 41 + 10 = ______
  11. 78 − 10 = ______
  12. 7 × 10 = ______
  13. 25 + 10 = ______
  14. 59 + 20 = ______
  15. 44 + 20 = ______
  16. 50 − 10 = ______
  17. 2 × 10 = ______
  18. 58 + 20 = ______
  19. 28 + 10 = ______
  20. 36 − 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath