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. 4 × 10 = ______
  2. 20 + 10 = ______
  3. 81 + 20 = ______
  4. 26 + 20 = ______
  5. 12 + 20 = ______
  6. 55 − 10 = ______
  7. 42 + 10 = ______
  8. 24 − 10 = ______
  9. 56 + 20 = ______
  10. 57 + 20 = ______
  11. 25 − 10 = ______
  12. 69 + 20 = ______
  13. 3 × 10 = ______
  14. 85 + 20 = ______
  15. 76 + 20 = ______
  16. 17 + 20 = ______
  17. 58 + 10 = ______
  18. 7 × 10 = ______
  19. 19 + 20 = ______
  20. 86 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath