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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. 62 + 10 = ______
  2. 4 × 10 = ______
  3. 71 + 20 = ______
  4. 22 + 20 = ______
  5. 67 + 10 = ______
  6. 3 × 10 = ______
  7. 56 + 20 = ______
  8. 56 − 10 = ______
  9. 39 + 20 = ______
  10. 64 + 10 = ______
  11. 15 + 10 = ______
  12. 65 + 10 = ______
  13. 28 + 20 = ______
  14. 30 − 10 = ______
  15. 6 × 10 = ______
  16. 20 + 20 = ______
  17. 38 + 10 = ______
  18. 83 − 10 = ______
  19. 5 × 10 = ______
  20. 82 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath