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. 29 − 10 = ______
  2. 42 − 10 = ______
  3. 36 + 20 = ______
  4. 83 − 10 = ______
  5. 50 + 20 = ______
  6. 15 + 10 = ______
  7. 69 − 10 = ______
  8. 42 + 10 = ______
  9. 32 + 10 = ______
  10. 24 + 10 = ______
  11. 65 + 10 = ______
  12. 55 + 20 = ______
  13. 85 + 20 = ______
  14. 32 + 20 = ______
  15. 77 + 20 = ______
  16. 9 × 10 = ______
  17. 70 + 20 = ______
  18. 80 + 20 = ______
  19. 8 × 10 = ______
  20. 51 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath