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. 14 + 10 = ______
  2. 90 − 10 = ______
  3. 24 + 20 = ______
  4. 88 + 20 = ______
  5. 25 + 20 = ______
  6. 4 × 10 = ______
  7. 29 − 10 = ______
  8. 18 + 10 = ______
  9. 35 + 20 = ______
  10. 58 + 10 = ______
  11. 65 + 20 = ______
  12. 82 + 10 = ______
  13. 80 + 10 = ______
  14. 54 − 10 = ______
  15. 67 − 10 = ______
  16. 40 − 10 = ______
  17. 27 + 10 = ______
  18. 29 + 10 = ______
  19. 26 − 10 = ______
  20. 5 × 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath