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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. 9 × 10 = ______
  2. 33 − 10 = ______
  3. 40 + 10 = ______
  4. 75 − 10 = ______
  5. 81 + 20 = ______
  6. 41 + 20 = ______
  7. 23 + 20 = ______
  8. 4 × 10 = ______
  9. 93 − 10 = ______
  10. 6 × 10 = ______
  11. 57 + 20 = ______
  12. 26 − 10 = ______
  13. 40 − 10 = ______
  14. 53 − 10 = ______
  15. 8 × 10 = ______
  16. 46 + 20 = ______
  17. 38 + 10 = ______
  18. 60 + 20 = ______
  19. 66 + 10 = ______
  20. 27 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath