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. 57 − 10 = ______
  2. 13 + 10 = ______
  3. 8 × 10 = ______
  4. 79 + 10 = ______
  5. 67 + 10 = ______
  6. 53 − 10 = ______
  7. 9 × 10 = ______
  8. 22 + 10 = ______
  9. 27 + 10 = ______
  10. 26 + 20 = ______
  11. 29 + 20 = ______
  12. 49 + 20 = ______
  13. 1 × 10 = ______
  14. 82 + 20 = ______
  15. 59 − 10 = ______
  16. 56 + 10 = ______
  17. 99 − 10 = ______
  18. 3 × 10 = ______
  19. 7 × 10 = ______
  20. 61 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath