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. 8 × 10 = ______
  2. 11 + 10 = ______
  3. 83 − 10 = ______
  4. 31 + 20 = ______
  5. 71 + 20 = ______
  6. 52 + 10 = ______
  7. 46 − 10 = ______
  8. 4 × 10 = ______
  9. 66 + 20 = ______
  10. 19 + 20 = ______
  11. 46 + 10 = ______
  12. 57 + 10 = ______
  13. 2 × 10 = ______
  14. 47 + 10 = ______
  15. 57 − 10 = ______
  16. 76 + 20 = ______
  17. 48 − 10 = ______
  18. 77 + 10 = ______
  19. 36 + 20 = ______
  20. 29 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath