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. 84 + 10 = ______
  2. 39 + 10 = ______
  3. 72 − 10 = ______
  4. 56 + 10 = ______
  5. 64 + 10 = ______
  6. 14 + 10 = ______
  7. 97 − 10 = ______
  8. 35 + 10 = ______
  9. 44 + 20 = ______
  10. 36 + 10 = ______
  11. 74 + 10 = ______
  12. 52 − 10 = ______
  13. 31 − 10 = ______
  14. 40 + 20 = ______
  15. 25 + 10 = ______
  16. 4 × 10 = ______
  17. 9 × 10 = ______
  18. 48 + 20 = ______
  19. 62 − 10 = ______
  20. 48 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath