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. 7 × 10 = ______
  2. 21 + 10 = ______
  3. 25 + 10 = ______
  4. 57 − 10 = ______
  5. 77 + 20 = ______
  6. 2 × 10 = ______
  7. 75 − 10 = ______
  8. 52 + 10 = ______
  9. 62 + 10 = ______
  10. 67 + 10 = ______
  11. 88 + 10 = ______
  12. 89 + 10 = ______
  13. 53 + 10 = ______
  14. 42 + 10 = ______
  15. 17 + 20 = ______
  16. 1 × 10 = ______
  17. 72 − 10 = ______
  18. 87 + 20 = ______
  19. 20 + 10 = ______
  20. 8 × 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath