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. 29 + 10 = ______
  2. 41 + 10 = ______
  3. 9 × 10 = ______
  4. 7 × 10 = ______
  5. 11 + 10 = ______
  6. 67 + 10 = ______
  7. 38 − 10 = ______
  8. 2 × 10 = ______
  9. 16 + 20 = ______
  10. 26 − 10 = ______
  11. 84 − 10 = ______
  12. 32 + 20 = ______
  13. 24 + 10 = ______
  14. 53 + 20 = ______
  15. 41 − 10 = ______
  16. 58 + 20 = ______
  17. 1 × 10 = ______
  18. 3 × 10 = ______
  19. 40 + 20 = ______
  20. 13 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath