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. 6 × 10 = ______
  2. 89 + 10 = ______
  3. 37 + 10 = ______
  4. 1 × 10 = ______
  5. 27 + 20 = ______
  6. 37 − 10 = ______
  7. 35 + 10 = ______
  8. 64 + 10 = ______
  9. 35 − 10 = ______
  10. 71 + 10 = ______
  11. 82 + 20 = ______
  12. 66 + 10 = ______
  13. 11 + 10 = ______
  14. 51 + 20 = ______
  15. 30 + 20 = ______
  16. 81 + 10 = ______
  17. 95 − 10 = ______
  18. 2 × 10 = ______
  19. 80 − 10 = ______
  20. 88 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath