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. 4 × 10 = ______
  2. 92 − 10 = ______
  3. 7 × 10 = ______
  4. 98 − 10 = ______
  5. 72 + 20 = ______
  6. 67 + 20 = ______
  7. 96 − 10 = ______
  8. 27 + 20 = ______
  9. 57 − 10 = ______
  10. 27 + 10 = ______
  11. 8 × 10 = ______
  12. 77 + 20 = ______
  13. 22 + 10 = ______
  14. 5 × 10 = ______
  15. 1 × 10 = ______
  16. 16 + 10 = ______
  17. 88 − 10 = ______
  18. 54 + 20 = ______
  19. 58 + 20 = ______
  20. 12 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath