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. 32 + 10 = ______
  2. 50 + 10 = ______
  3. 32 + 20 = ______
  4. 26 + 10 = ______
  5. 72 + 20 = ______
  6. 34 + 20 = ______
  7. 53 − 10 = ______
  8. 26 − 10 = ______
  9. 56 + 20 = ______
  10. 7 × 10 = ______
  11. 65 + 10 = ______
  12. 64 + 20 = ______
  13. 4 × 10 = ______
  14. 89 − 10 = ______
  15. 98 − 10 = ______
  16. 2 × 10 = ______
  17. 76 + 20 = ______
  18. 6 × 10 = ______
  19. 68 + 10 = ______
  20. 16 + 10 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath