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. 23 + 10 = ______
  2. 3 × 10 = ______
  3. 33 + 20 = ______
  4. 9 × 10 = ______
  5. 63 − 10 = ______
  6. 73 + 10 = ______
  7. 25 + 10 = ______
  8. 26 + 10 = ______
  9. 62 − 10 = ______
  10. 44 + 10 = ______
  11. 46 + 20 = ______
  12. 76 + 20 = ______
  13. 8 × 10 = ______
  14. 5 × 10 = ______
  15. 23 + 20 = ______
  16. 47 + 10 = ______
  17. 45 + 20 = ______
  18. 1 × 10 = ______
  19. 82 + 10 = ______
  20. 61 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath