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. 36 − 10 = ______
  2. 33 + 20 = ______
  3. 1 × 10 = ______
  4. 40 + 20 = ______
  5. 29 − 10 = ______
  6. 87 + 20 = ______
  7. 34 + 20 = ______
  8. 88 + 10 = ______
  9. 21 + 10 = ______
  10. 65 + 10 = ______
  11. 85 + 20 = ______
  12. 60 + 20 = ______
  13. 3 × 10 = ______
  14. 87 + 10 = ______
  15. 6 × 10 = ______
  16. 30 − 10 = ______
  17. 85 + 10 = ______
  18. 66 + 10 = ______
  19. 47 + 20 = ______
  20. 37 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath