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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. 45 + 10 = ______
  2. 8 × 10 = ______
  3. 1 × 10 = ______
  4. 13 + 20 = ______
  5. 52 − 10 = ______
  6. 45 − 10 = ______
  7. 53 − 10 = ______
  8. 88 + 20 = ______
  9. 6 × 10 = ______
  10. 32 + 20 = ______
  11. 69 + 10 = ______
  12. 82 + 10 = ______
  13. 50 + 10 = ______
  14. 5 × 10 = ______
  15. 39 + 10 = ______
  16. 21 + 10 = ______
  17. 95 − 10 = ______
  18. 43 + 10 = ______
  19. 39 + 20 = ______
  20. 51 − 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath