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. 85 − 10 = ______
  2. 71 + 20 = ______
  3. 26 + 10 = ______
  4. 60 + 10 = ______
  5. 35 + 20 = ______
  6. 55 + 20 = ______
  7. 44 − 10 = ______
  8. 18 + 10 = ______
  9. 34 − 10 = ______
  10. 47 − 10 = ______
  11. 87 + 20 = ______
  12. 36 + 20 = ______
  13. 38 + 20 = ______
  14. 15 + 20 = ______
  15. 55 − 10 = ______
  16. 25 − 10 = ______
  17. 37 + 10 = ______
  18. 43 − 10 = ______
  19. 51 + 20 = ______
  20. 68 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath