Matemáticas mentales Worksheet

Recommended for 1er grado — 5to grado

New Worksheet

Matemáticas mentales Worksheet

Name: ____________________Date: ____________

Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.

20 problems

  1. 79 − 10 = ______
  2. 49 + 10 = ______
  3. 38 + 20 = ______
  4. 71 − 10 = ______
  5. 86 + 10 = ______
  6. 88 + 10 = ______
  7. 29 + 10 = ______
  8. 22 + 20 = ______
  9. 56 + 10 = ______
  10. 35 + 20 = ______
  11. 28 − 10 = ______
  12. 59 − 10 = ______
  13. 65 + 20 = ______
  14. 39 + 20 = ______
  15. 60 − 10 = ______
  16. 57 − 10 = ______
  17. 6 × 10 = ______
  18. 41 + 20 = ______
  19. 4 × 10 = ______
  20. 68 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath