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. 78 − 10 = ______
  2. 3 × 10 = ______
  3. 12 + 20 = ______
  4. 18 + 20 = ______
  5. 44 + 20 = ______
  6. 30 + 20 = ______
  7. 70 − 10 = ______
  8. 26 + 10 = ______
  9. 13 + 10 = ______
  10. 65 − 10 = ______
  11. 85 + 20 = ______
  12. 57 + 10 = ______
  13. 30 + 10 = ______
  14. 55 + 20 = ______
  15. 7 × 10 = ______
  16. 76 − 10 = ______
  17. 35 + 10 = ______
  18. 31 + 20 = ______
  19. 74 + 20 = ______
  20. 41 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath