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. 8 × 10 = ______
  2. 2 × 10 = ______
  3. 70 + 10 = ______
  4. 1 × 10 = ______
  5. 6 × 10 = ______
  6. 56 + 10 = ______
  7. 34 + 10 = ______
  8. 23 − 10 = ______
  9. 24 + 20 = ______
  10. 63 + 10 = ______
  11. 69 + 10 = ______
  12. 50 − 10 = ______
  13. 38 + 10 = ______
  14. 29 + 10 = ______
  15. 46 + 10 = ______
  16. 51 − 10 = ______
  17. 40 + 20 = ______
  18. 49 + 10 = ______
  19. 5 × 10 = ______
  20. 59 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath