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. 3 × 10 = ______
  2. 1 × 10 = ______
  3. 78 − 10 = ______
  4. 56 + 10 = ______
  5. 78 + 10 = ______
  6. 41 + 20 = ______
  7. 52 + 20 = ______
  8. 80 + 10 = ______
  9. 39 + 20 = ______
  10. 31 + 20 = ______
  11. 5 × 10 = ______
  12. 69 + 10 = ______
  13. 71 − 10 = ______
  14. 60 + 20 = ______
  15. 2 × 10 = ______
  16. 50 + 10 = ______
  17. 83 + 20 = ______
  18. 41 − 10 = ______
  19. 9 × 10 = ______
  20. 20 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath