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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. 8 × 10 = ______
  2. 5 × 10 = ______
  3. 68 − 10 = ______
  4. 87 − 10 = ______
  5. 53 + 20 = ______
  6. 36 − 10 = ______
  7. 14 + 10 = ______
  8. 2 × 10 = ______
  9. 76 + 10 = ______
  10. 48 − 10 = ______
  11. 87 + 20 = ______
  12. 69 − 10 = ______
  13. 17 + 20 = ______
  14. 76 + 20 = ______
  15. 68 + 10 = ______
  16. 52 + 10 = ______
  17. 80 − 10 = ______
  18. 7 × 10 = ______
  19. 20 + 20 = ______
  20. 38 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath