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. 7 × 10 = ______
  2. 79 + 20 = ______
  3. 20 + 10 = ______
  4. 48 + 20 = ______
  5. 59 + 10 = ______
  6. 56 − 10 = ______
  7. 11 + 10 = ______
  8. 74 + 10 = ______
  9. 89 + 20 = ______
  10. 18 + 20 = ______
  11. 74 + 20 = ______
  12. 33 + 10 = ______
  13. 1 × 10 = ______
  14. 85 − 10 = ______
  15. 52 + 20 = ______
  16. 64 + 20 = ______
  17. 67 + 10 = ______
  18. 61 − 10 = ______
  19. 15 + 20 = ______
  20. 16 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath