Matemáticas mentales Worksheet

Recommended for 1er grado — 5to grado

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Matemáticas mentales Worksheet

Name: ____________________Date: ____________

Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.

20 problems

  1. 47 + 20 = ______
  2. 80 + 10 = ______
  3. 94 − 10 = ______
  4. 13 + 20 = ______
  5. 18 + 20 = ______
  6. 42 + 20 = ______
  7. 63 + 10 = ______
  8. 49 + 20 = ______
  9. 82 + 10 = ______
  10. 48 + 20 = ______
  11. 47 + 10 = ______
  12. 19 + 20 = ______
  13. 11 + 20 = ______
  14. 54 − 10 = ______
  15. 67 + 10 = ______
  16. 60 + 10 = ______
  17. 9 × 10 = ______
  18. 22 + 20 = ______
  19. 82 − 10 = ______
  20. 80 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath