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. 60 + 10 = ______
  2. 75 + 10 = ______
  3. 67 + 20 = ______
  4. 11 + 10 = ______
  5. 47 + 20 = ______
  6. 55 + 10 = ______
  7. 35 + 10 = ______
  8. 51 − 10 = ______
  9. 4 × 10 = ______
  10. 18 + 20 = ______
  11. 88 + 20 = ______
  12. 3 × 10 = ______
  13. 68 + 10 = ______
  14. 5 × 10 = ______
  15. 30 − 10 = ______
  16. 31 − 10 = ______
  17. 6 × 10 = ______
  18. 59 − 10 = ______
  19. 78 + 20 = ______
  20. 13 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath