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. 41 − 10 = ______
  2. 26 + 20 = ______
  3. 76 + 10 = ______
  4. 77 + 10 = ______
  5. 78 + 20 = ______
  6. 44 + 10 = ______
  7. 9 × 10 = ______
  8. 79 + 10 = ______
  9. 81 + 20 = ______
  10. 46 + 10 = ______
  11. 47 + 20 = ______
  12. 52 + 20 = ______
  13. 7 × 10 = ______
  14. 14 + 10 = ______
  15. 50 − 10 = ______
  16. 91 − 10 = ______
  17. 40 − 10 = ______
  18. 11 + 20 = ______
  19. 2 × 10 = ______
  20. 84 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath