Mental Math Worksheet

Recommended for 1st Grade — 5th Grade

New Worksheet

Mental Math Worksheet

Name: ____________________Date: ____________

Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.

20 problems

  1. 30 + 20 = ______
  2. 16 + 20 = ______
  3. 61 − 10 = ______
  4. 33 + 10 = ______
  5. 86 + 10 = ______
  6. 7 × 10 = ______
  7. 5 × 10 = ______
  8. 3 × 10 = ______
  9. 37 + 10 = ______
  10. 49 + 10 = ______
  11. 82 − 10 = ______
  12. 85 + 10 = ______
  13. 87 + 20 = ______
  14. 65 − 10 = ______
  15. 84 + 20 = ______
  16. 56 − 10 = ______
  17. 86 + 20 = ______
  18. 97 − 10 = ______
  19. 44 − 10 = ______
  20. 31 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath