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. 59 + 10 = ______
  2. 86 + 10 = ______
  3. 49 + 20 = ______
  4. 92 − 10 = ______
  5. 25 − 10 = ______
  6. 22 + 10 = ______
  7. 25 + 10 = ______
  8. 32 + 20 = ______
  9. 2 × 10 = ______
  10. 20 + 20 = ______
  11. 72 + 10 = ______
  12. 75 + 20 = ______
  13. 56 + 10 = ______
  14. 71 + 20 = ______
  15. 4 × 10 = ______
  16. 26 + 10 = ______
  17. 78 − 10 = ______
  18. 60 + 10 = ______
  19. 33 + 10 = ______
  20. 47 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath