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. 4 × 10 = ______
  2. 22 − 10 = ______
  3. 8 × 10 = ______
  4. 36 + 10 = ______
  5. 55 + 20 = ______
  6. 9 × 10 = ______
  7. 7 × 10 = ______
  8. 77 + 20 = ______
  9. 1 × 10 = ______
  10. 67 + 10 = ______
  11. 71 + 20 = ______
  12. 81 − 10 = ______
  13. 67 + 20 = ______
  14. 57 + 20 = ______
  15. 2 × 10 = ______
  16. 62 + 10 = ______
  17. 90 − 10 = ______
  18. 41 + 20 = ______
  19. 41 − 10 = ______
  20. 61 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath