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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. 41 − 10 = ______
  2. 74 + 20 = ______
  3. 59 + 20 = ______
  4. 25 + 10 = ______
  5. 71 − 10 = ______
  6. 69 + 20 = ______
  7. 46 + 10 = ______
  8. 65 + 10 = ______
  9. 17 + 20 = ______
  10. 35 + 20 = ______
  11. 24 + 20 = ______
  12. 77 + 20 = ______
  13. 60 + 10 = ______
  14. 41 + 20 = ______
  15. 20 + 20 = ______
  16. 16 + 10 = ______
  17. 89 − 10 = ______
  18. 8 × 10 = ______
  19. 36 + 20 = ______
  20. 29 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath