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. 56 − 10 = ______
  2. 4 × 10 = ______
  3. 85 + 10 = ______
  4. 28 + 20 = ______
  5. 67 + 20 = ______
  6. 72 + 10 = ______
  7. 11 + 10 = ______
  8. 46 − 10 = ______
  9. 31 + 20 = ______
  10. 51 + 10 = ______
  11. 32 + 20 = ______
  12. 67 + 10 = ______
  13. 62 + 10 = ______
  14. 61 − 10 = ______
  15. 77 + 10 = ______
  16. 37 − 10 = ______
  17. 85 + 20 = ______
  18. 31 + 10 = ______
  19. 55 + 10 = ______
  20. 35 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath