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. 40 + 20 = ______
  2. 92 − 10 = ______
  3. 46 + 10 = ______
  4. 9 × 10 = ______
  5. 87 + 10 = ______
  6. 49 + 20 = ______
  7. 44 + 10 = ______
  8. 1 × 10 = ______
  9. 71 + 10 = ______
  10. 26 + 20 = ______
  11. 5 × 10 = ______
  12. 54 + 10 = ______
  13. 36 − 10 = ______
  14. 65 + 20 = ______
  15. 85 − 10 = ______
  16. 35 + 10 = ______
  17. 70 + 20 = ______
  18. 89 + 10 = ______
  19. 18 + 20 = ______
  20. 14 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath