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. 3 × 10 = ______
  2. 14 + 10 = ______
  3. 8 × 10 = ______
  4. 45 + 10 = ______
  5. 51 + 10 = ______
  6. 67 + 20 = ______
  7. 47 − 10 = ______
  8. 89 + 20 = ______
  9. 92 − 10 = ______
  10. 26 + 10 = ______
  11. 76 + 10 = ______
  12. 9 × 10 = ______
  13. 52 + 20 = ______
  14. 56 − 10 = ______
  15. 1 × 10 = ______
  16. 20 + 10 = ______
  17. 41 + 20 = ______
  18. 83 + 20 = ______
  19. 57 + 20 = ______
  20. 30 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath