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. 75 + 10 = ______
  2. 35 + 10 = ______
  3. 29 + 10 = ______
  4. 9 × 10 = ______
  5. 59 + 10 = ______
  6. 57 − 10 = ______
  7. 3 × 10 = ______
  8. 75 − 10 = ______
  9. 1 × 10 = ______
  10. 40 − 10 = ______
  11. 88 + 10 = ______
  12. 27 − 10 = ______
  13. 8 × 10 = ______
  14. 52 + 20 = ______
  15. 24 + 20 = ______
  16. 87 + 20 = ______
  17. 64 + 20 = ______
  18. 69 − 10 = ______
  19. 4 × 10 = ______
  20. 82 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath