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. 63 + 10 = ______
  2. 23 + 10 = ______
  3. 87 + 10 = ______
  4. 70 − 10 = ______
  5. 63 − 10 = ______
  6. 43 + 20 = ______
  7. 1 × 10 = ______
  8. 24 − 10 = ______
  9. 33 + 20 = ______
  10. 66 + 20 = ______
  11. 32 − 10 = ______
  12. 83 + 10 = ______
  13. 11 + 20 = ______
  14. 61 + 20 = ______
  15. 59 + 20 = ______
  16. 54 + 10 = ______
  17. 84 + 10 = ______
  18. 35 + 20 = ______
  19. 24 + 20 = ______
  20. 57 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath