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. 93 − 10 = ______
  2. 75 + 20 = ______
  3. 22 + 20 = ______
  4. 40 + 10 = ______
  5. 63 − 10 = ______
  6. 8 × 10 = ______
  7. 3 × 10 = ______
  8. 64 − 10 = ______
  9. 41 + 10 = ______
  10. 31 + 10 = ______
  11. 33 + 10 = ______
  12. 70 + 10 = ______
  13. 57 − 10 = ______
  14. 60 + 20 = ______
  15. 56 + 10 = ______
  16. 85 + 20 = ______
  17. 39 − 10 = ______
  18. 82 + 20 = ______
  19. 9 × 10 = ______
  20. 39 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath