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. 9 × 10 = ______
  2. 5 × 10 = ______
  3. 65 + 20 = ______
  4. 28 + 10 = ______
  5. 63 − 10 = ______
  6. 93 − 10 = ______
  7. 77 − 10 = ______
  8. 64 + 10 = ______
  9. 6 × 10 = ______
  10. 40 + 10 = ______
  11. 27 + 20 = ______
  12. 46 + 20 = ______
  13. 31 + 20 = ______
  14. 24 + 10 = ______
  15. 11 + 20 = ______
  16. 78 + 10 = ______
  17. 47 − 10 = ______
  18. 22 + 20 = ______
  19. 29 + 20 = ______
  20. 62 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath