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. 30 − 10 = ______
  2. 65 + 20 = ______
  3. 84 + 10 = ______
  4. 1 × 10 = ______
  5. 12 + 10 = ______
  6. 29 + 20 = ______
  7. 77 − 10 = ______
  8. 53 + 20 = ______
  9. 5 × 10 = ______
  10. 20 + 10 = ______
  11. 3 × 10 = ______
  12. 76 − 10 = ______
  13. 27 + 10 = ______
  14. 76 + 20 = ______
  15. 82 − 10 = ______
  16. 9 × 10 = ______
  17. 34 + 10 = ______
  18. 82 + 20 = ______
  19. 51 + 20 = ______
  20. 76 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath