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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. 71 + 10 = ______
  2. 84 − 10 = ______
  3. 34 + 20 = ______
  4. 48 + 10 = ______
  5. 54 − 10 = ______
  6. 67 − 10 = ______
  7. 89 − 10 = ______
  8. 22 + 20 = ______
  9. 62 + 10 = ______
  10. 1 × 10 = ______
  11. 88 + 10 = ______
  12. 89 + 10 = ______
  13. 29 − 10 = ______
  14. 36 + 20 = ______
  15. 3 × 10 = ______
  16. 7 × 10 = ______
  17. 35 + 20 = ______
  18. 69 + 10 = ______
  19. 2 × 10 = ______
  20. 85 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath