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. 63 − 10 = ______
  2. 67 + 10 = ______
  3. 83 + 20 = ______
  4. 65 + 20 = ______
  5. 76 − 10 = ______
  6. 75 + 10 = ______
  7. 45 + 10 = ______
  8. 53 + 20 = ______
  9. 5 × 10 = ______
  10. 29 + 10 = ______
  11. 19 + 10 = ______
  12. 47 + 10 = ______
  13. 68 + 10 = ______
  14. 4 × 10 = ______
  15. 9 × 10 = ______
  16. 34 + 10 = ______
  17. 65 − 10 = ______
  18. 12 + 10 = ______
  19. 48 + 10 = ______
  20. 51 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath