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. 27 + 20 = ______
  2. 68 − 10 = ______
  3. 23 − 10 = ______
  4. 9 × 10 = ______
  5. 60 + 20 = ______
  6. 35 + 10 = ______
  7. 82 + 20 = ______
  8. 75 + 10 = ______
  9. 8 × 10 = ______
  10. 78 + 10 = ______
  11. 71 + 10 = ______
  12. 25 + 20 = ______
  13. 76 + 20 = ______
  14. 47 + 10 = ______
  15. 88 + 10 = ______
  16. 77 + 20 = ______
  17. 11 + 10 = ______
  18. 64 − 10 = ______
  19. 68 + 10 = ______
  20. 85 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath