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. 55 + 20 = ______
  3. 55 − 10 = ______
  4. 74 + 10 = ______
  5. 86 + 10 = ______
  6. 24 + 10 = ______
  7. 84 − 10 = ______
  8. 22 + 10 = ______
  9. 7 × 10 = ______
  10. 69 + 20 = ______
  11. 8 × 10 = ______
  12. 35 + 10 = ______
  13. 15 + 10 = ______
  14. 32 + 10 = ______
  15. 75 + 10 = ______
  16. 42 + 10 = ______
  17. 69 − 10 = ______
  18. 52 + 10 = ______
  19. 6 × 10 = ______
  20. 2 × 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath