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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. 55 − 10 = ______
  2. 36 − 10 = ______
  3. 7 × 10 = ______
  4. 76 + 20 = ______
  5. 5 × 10 = ______
  6. 1 × 10 = ______
  7. 75 + 20 = ______
  8. 25 − 10 = ______
  9. 70 + 10 = ______
  10. 27 + 10 = ______
  11. 15 + 20 = ______
  12. 80 + 20 = ______
  13. 2 × 10 = ______
  14. 11 + 10 = ______
  15. 42 − 10 = ______
  16. 57 + 10 = ______
  17. 70 + 20 = ______
  18. 38 + 20 = ______
  19. 54 + 20 = ______
  20. 49 − 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath