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. 67 + 20 = ______
  2. 82 + 20 = ______
  3. 21 + 20 = ______
  4. 35 + 20 = ______
  5. 82 + 10 = ______
  6. 64 + 20 = ______
  7. 75 + 10 = ______
  8. 15 + 20 = ______
  9. 16 + 20 = ______
  10. 19 + 10 = ______
  11. 8 × 10 = ______
  12. 76 + 10 = ______
  13. 87 + 10 = ______
  14. 71 − 10 = ______
  15. 7 × 10 = ______
  16. 70 − 10 = ______
  17. 64 − 10 = ______
  18. 71 + 10 = ______
  19. 5 × 10 = ______
  20. 63 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath