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. 1 × 10 = ______
  2. 67 + 20 = ______
  3. 86 + 10 = ______
  4. 87 + 10 = ______
  5. 6 × 10 = ______
  6. 79 − 10 = ______
  7. 11 + 10 = ______
  8. 74 + 10 = ______
  9. 36 + 10 = ______
  10. 87 + 20 = ______
  11. 24 + 20 = ______
  12. 49 + 20 = ______
  13. 55 + 10 = ______
  14. 51 + 10 = ______
  15. 79 + 20 = ______
  16. 77 + 10 = ______
  17. 26 − 10 = ______
  18. 38 − 10 = ______
  19. 47 − 10 = ______
  20. 11 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath