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. 47 + 10 = ______
  2. 11 + 10 = ______
  3. 4 × 10 = ______
  4. 12 + 20 = ______
  5. 8 × 10 = ______
  6. 6 × 10 = ______
  7. 73 − 10 = ______
  8. 55 + 20 = ______
  9. 33 + 20 = ______
  10. 47 − 10 = ______
  11. 36 + 10 = ______
  12. 36 + 20 = ______
  13. 1 × 10 = ______
  14. 41 − 10 = ______
  15. 62 − 10 = ______
  16. 19 + 10 = ______
  17. 34 − 10 = ______
  18. 31 + 20 = ______
  19. 56 + 20 = ______
  20. 67 + 20 = ______
Mental Math Worksheet — Free Printable with Answer Key | WaffleMath