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. 74 − 10 = ______
  3. 5 × 10 = ______
  4. 58 + 10 = ______
  5. 76 + 10 = ______
  6. 29 + 10 = ______
  7. 67 + 20 = ______
  8. 15 + 20 = ______
  9. 19 + 20 = ______
  10. 46 + 20 = ______
  11. 81 + 10 = ______
  12. 72 − 10 = ______
  13. 4 × 10 = ______
  14. 42 + 20 = ______
  15. 23 − 10 = ______
  16. 80 + 10 = ______
  17. 59 + 10 = ______
  18. 61 − 10 = ______
  19. 79 − 10 = ______
  20. 55 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath