WaffleMath LogoWaffleMath
K12345678HSBrowse standardsBrowse worksheetsTeacher resources

Mental Math Worksheet

Recommended for 1st Grade — 5th Grade

More Mental Math GamesAll Worksheets
New Worksheet

Mental Math Worksheet

Name: ____________________Date: ____________

Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.

20 problems

  1. 6 × 10 = ______
  2. 90 − 10 = ______
  3. 26 − 10 = ______
  4. 97 − 10 = ______
  5. 32 + 20 = ______
  6. 42 + 20 = ______
  7. 78 − 10 = ______
  8. 81 + 20 = ______
  9. 40 + 10 = ______
  10. 3 × 10 = ______
  11. 23 + 10 = ______
  12. 46 + 10 = ______
  13. 43 + 20 = ______
  14. 25 + 10 = ______
  15. 21 − 10 = ______
  16. 49 − 10 = ______
  17. 49 + 10 = ______
  18. 72 + 20 = ______
  19. 22 + 20 = ______
  20. 63 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath