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. 2 × 10 = ______
  2. 43 − 10 = ______
  3. 9 × 10 = ______
  4. 75 + 10 = ______
  5. 80 + 20 = ______
  6. 30 + 20 = ______
  7. 66 + 20 = ______
  8. 6 × 10 = ______
  9. 87 + 10 = ______
  10. 69 + 20 = ______
  11. 18 + 10 = ______
  12. 48 − 10 = ______
  13. 79 + 10 = ______
  14. 20 + 20 = ______
  15. 33 + 20 = ______
  16. 16 + 20 = ______
  17. 56 + 20 = ______
  18. 8 × 10 = ______
  19. 72 + 10 = ______
  20. 53 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath