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. 45 + 20 = ______
  2. 25 + 20 = ______
  3. 12 + 10 = ______
  4. 90 − 10 = ______
  5. 76 + 20 = ______
  6. 2 × 10 = ______
  7. 24 − 10 = ______
  8. 27 + 20 = ______
  9. 6 × 10 = ______
  10. 62 + 20 = ______
  11. 7 × 10 = ______
  12. 17 + 20 = ______
  13. 32 + 10 = ______
  14. 39 + 10 = ______
  15. 41 + 20 = ______
  16. 20 + 10 = ______
  17. 85 − 10 = ______
  18. 15 + 20 = ______
  19. 16 + 20 = ______
  20. 28 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath