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. 8 × 10 = ______
  2. 80 + 10 = ______
  3. 13 + 10 = ______
  4. 62 − 10 = ______
  5. 89 + 10 = ______
  6. 23 + 20 = ______
  7. 33 + 20 = ______
  8. 23 + 10 = ______
  9. 55 + 20 = ______
  10. 57 + 20 = ______
  11. 66 + 20 = ______
  12. 84 − 10 = ______
  13. 71 − 10 = ______
  14. 9 × 10 = ______
  15. 85 − 10 = ______
  16. 25 + 20 = ______
  17. 59 + 20 = ______
  18. 36 + 20 = ______
  19. 53 + 10 = ______
  20. 56 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath