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. 34 + 20 = ______
  2. 9 × 10 = ______
  3. 29 + 20 = ______
  4. 80 + 20 = ______
  5. 53 − 10 = ______
  6. 3 × 10 = ______
  7. 57 + 10 = ______
  8. 82 − 10 = ______
  9. 20 + 20 = ______
  10. 32 + 10 = ______
  11. 8 × 10 = ______
  12. 6 × 10 = ______
  13. 63 + 20 = ______
  14. 64 + 10 = ______
  15. 36 + 10 = ______
  16. 36 − 10 = ______
  17. 82 + 10 = ______
  18. 51 + 10 = ______
  19. 25 − 10 = ______
  20. 39 − 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath