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. 92 − 10 = ______
  2. 63 + 20 = ______
  3. 39 + 10 = ______
  4. 60 + 10 = ______
  5. 8 × 10 = ______
  6. 75 + 20 = ______
  7. 9 × 10 = ______
  8. 26 − 10 = ______
  9. 87 + 20 = ______
  10. 49 + 20 = ______
  11. 33 − 10 = ______
  12. 84 − 10 = ______
  13. 40 + 10 = ______
  14. 20 + 10 = ______
  15. 66 + 20 = ______
  16. 54 + 10 = ______
  17. 95 − 10 = ______
  18. 12 + 20 = ______
  19. 45 + 20 = ______
  20. 43 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath