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. 11 + 20 = ______
  2. 36 + 20 = ______
  3. 88 − 10 = ______
  4. 3 × 10 = ______
  5. 93 − 10 = ______
  6. 41 + 10 = ______
  7. 5 × 10 = ______
  8. 9 × 10 = ______
  9. 1 × 10 = ______
  10. 77 + 20 = ______
  11. 92 − 10 = ______
  12. 64 + 20 = ______
  13. 14 + 20 = ______
  14. 2 × 10 = ______
  15. 54 + 20 = ______
  16. 85 + 10 = ______
  17. 44 + 20 = ______
  18. 7 × 10 = ______
  19. 76 + 10 = ______
  20. 67 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath