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. 73 + 10 = ______
  3. 80 + 10 = ______
  4. 62 + 20 = ______
  5. 73 + 20 = ______
  6. 55 − 10 = ______
  7. 85 + 20 = ______
  8. 79 + 20 = ______
  9. 65 + 20 = ______
  10. 21 + 10 = ______
  11. 1 × 10 = ______
  12. 71 + 20 = ______
  13. 5 × 10 = ______
  14. 24 + 10 = ______
  15. 23 + 10 = ______
  16. 3 × 10 = ______
  17. 79 + 10 = ______
  18. 44 + 10 = ______
  19. 50 + 10 = ______
  20. 54 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath