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. 85 − 10 = ______
  2. 4 × 10 = ______
  3. 91 − 10 = ______
  4. 25 + 20 = ______
  5. 58 + 20 = ______
  6. 43 − 10 = ______
  7. 64 + 20 = ______
  8. 54 − 10 = ______
  9. 96 − 10 = ______
  10. 3 × 10 = ______
  11. 15 + 10 = ______
  12. 25 + 10 = ______
  13. 9 × 10 = ______
  14. 94 − 10 = ______
  15. 47 + 10 = ______
  16. 19 + 10 = ______
  17. 62 + 20 = ______
  18. 52 − 10 = ______
  19. 84 − 10 = ______
  20. 31 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath