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. 5 × 10 = ______
  2. 45 + 20 = ______
  3. 35 − 10 = ______
  4. 84 − 10 = ______
  5. 24 + 10 = ______
  6. 26 + 10 = ______
  7. 9 × 10 = ______
  8. 27 + 10 = ______
  9. 80 + 10 = ______
  10. 76 + 20 = ______
  11. 15 + 20 = ______
  12. 16 + 10 = ______
  13. 36 + 10 = ______
  14. 25 + 10 = ______
  15. 82 − 10 = ______
  16. 57 + 10 = ______
  17. 51 + 20 = ______
  18. 38 + 10 = ______
  19. 7 × 10 = ______
  20. 41 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath