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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. 57 + 10 = ______
  2. 66 + 10 = ______
  3. 3 × 10 = ______
  4. 44 − 10 = ______
  5. 56 + 10 = ______
  6. 65 + 20 = ______
  7. 44 + 20 = ______
  8. 49 − 10 = ______
  9. 88 + 10 = ______
  10. 81 + 10 = ______
  11. 70 + 20 = ______
  12. 2 × 10 = ______
  13. 62 + 20 = ______
  14. 17 + 10 = ______
  15. 9 × 10 = ______
  16. 66 − 10 = ______
  17. 67 − 10 = ______
  18. 46 + 20 = ______
  19. 22 + 20 = ______
  20. 81 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath