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. 58 − 10 = ______
  2. 9 × 10 = ______
  3. 6 × 10 = ______
  4. 2 × 10 = ______
  5. 4 × 10 = ______
  6. 44 + 10 = ______
  7. 29 + 20 = ______
  8. 99 − 10 = ______
  9. 8 × 10 = ______
  10. 51 − 10 = ______
  11. 71 + 20 = ______
  12. 7 × 10 = ______
  13. 1 × 10 = ______
  14. 89 + 10 = ______
  15. 23 + 20 = ______
  16. 75 − 10 = ______
  17. 51 + 10 = ______
  18. 35 + 20 = ______
  19. 38 − 10 = ______
  20. 70 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath