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. 81 + 20 = ______
  2. 79 + 20 = ______
  3. 6 × 10 = ______
  4. 30 + 10 = ______
  5. 64 + 10 = ______
  6. 46 − 10 = ______
  7. 31 + 20 = ______
  8. 57 + 10 = ______
  9. 20 + 10 = ______
  10. 34 + 10 = ______
  11. 65 + 10 = ______
  12. 56 − 10 = ______
  13. 26 − 10 = ______
  14. 73 + 10 = ______
  15. 62 + 20 = ______
  16. 61 + 10 = ______
  17. 25 + 10 = ______
  18. 29 − 10 = ______
  19. 1 × 10 = ______
  20. 75 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath