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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. 27 − 10 = ______
  2. 6 × 10 = ______
  3. 64 + 20 = ______
  4. 29 + 20 = ______
  5. 29 + 10 = ______
  6. 38 + 20 = ______
  7. 86 − 10 = ______
  8. 9 × 10 = ______
  9. 66 − 10 = ______
  10. 38 − 10 = ______
  11. 43 + 10 = ______
  12. 85 + 20 = ______
  13. 22 − 10 = ______
  14. 40 + 10 = ______
  15. 46 + 10 = ______
  16. 75 + 10 = ______
  17. 50 + 10 = ______
  18. 1 × 10 = ______
  19. 19 + 20 = ______
  20. 3 × 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath