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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. 54 + 20 = ______
  2. 86 − 10 = ______
  3. 24 − 10 = ______
  4. 13 + 10 = ______
  5. 27 − 10 = ______
  6. 56 + 10 = ______
  7. 40 + 10 = ______
  8. 4 × 10 = ______
  9. 55 + 10 = ______
  10. 82 + 20 = ______
  11. 11 + 10 = ______
  12. 23 − 10 = ______
  13. 47 + 10 = ______
  14. 3 × 10 = ______
  15. 1 × 10 = ______
  16. 29 + 20 = ______
  17. 79 − 10 = ______
  18. 42 + 20 = ______
  19. 32 + 10 = ______
  20. 70 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath