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. 31 + 20 = ______
  2. 31 + 10 = ______
  3. 9 × 10 = ______
  4. 27 − 10 = ______
  5. 62 + 10 = ______
  6. 4 × 10 = ______
  7. 63 + 10 = ______
  8. 1 × 10 = ______
  9. 36 + 20 = ______
  10. 96 − 10 = ______
  11. 5 × 10 = ______
  12. 59 + 10 = ______
  13. 16 + 20 = ______
  14. 26 − 10 = ______
  15. 54 + 10 = ______
  16. 40 + 20 = ______
  17. 50 − 10 = ______
  18. 82 + 20 = ______
  19. 76 + 20 = ______
  20. 43 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath