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. 42 + 20 = ______
  2. 8 × 10 = ______
  3. 26 + 10 = ______
  4. 35 + 20 = ______
  5. 76 + 20 = ______
  6. 4 × 10 = ______
  7. 21 + 20 = ______
  8. 87 − 10 = ______
  9. 12 + 20 = ______
  10. 61 + 20 = ______
  11. 1 × 10 = ______
  12. 6 × 10 = ______
  13. 71 + 10 = ______
  14. 50 + 20 = ______
  15. 22 + 20 = ______
  16. 73 − 10 = ______
  17. 36 − 10 = ______
  18. 5 × 10 = ______
  19. 82 + 10 = ______
  20. 13 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath