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. 75 + 10 = ______
  2. 70 + 10 = ______
  3. 73 + 20 = ______
  4. 43 + 10 = ______
  5. 41 − 10 = ______
  6. 12 + 10 = ______
  7. 29 + 20 = ______
  8. 86 − 10 = ______
  9. 59 + 10 = ______
  10. 38 + 20 = ______
  11. 21 − 10 = ______
  12. 36 + 20 = ______
  13. 82 − 10 = ______
  14. 75 + 20 = ______
  15. 2 × 10 = ______
  16. 11 + 10 = ______
  17. 64 − 10 = ______
  18. 95 − 10 = ______
  19. 82 + 20 = ______
  20. 54 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath