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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. 31 − 10 = ______
  2. 16 + 10 = ______
  3. 36 + 20 = ______
  4. 32 + 10 = ______
  5. 30 + 20 = ______
  6. 40 + 20 = ______
  7. 81 − 10 = ______
  8. 27 + 20 = ______
  9. 13 + 10 = ______
  10. 71 + 10 = ______
  11. 91 − 10 = ______
  12. 82 + 10 = ______
  13. 72 + 10 = ______
  14. 59 + 10 = ______
  15. 44 + 10 = ______
  16. 66 + 20 = ______
  17. 17 + 10 = ______
  18. 4 × 10 = ______
  19. 48 + 20 = ______
  20. 56 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath