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. 56 + 20 = ______
  2. 60 + 20 = ______
  3. 72 + 20 = ______
  4. 5 × 10 = ______
  5. 41 + 20 = ______
  6. 77 + 20 = ______
  7. 3 × 10 = ______
  8. 2 × 10 = ______
  9. 61 − 10 = ______
  10. 34 + 10 = ______
  11. 82 + 20 = ______
  12. 24 + 20 = ______
  13. 38 + 20 = ______
  14. 48 − 10 = ______
  15. 56 − 10 = ______
  16. 34 − 10 = ______
  17. 20 + 10 = ______
  18. 46 + 10 = ______
  19. 89 + 10 = ______
  20. 45 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath