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. 24 + 20 = ______
  2. 83 + 10 = ______
  3. 76 + 20 = ______
  4. 7 × 10 = ______
  5. 64 − 10 = ______
  6. 73 + 20 = ______
  7. 34 + 20 = ______
  8. 4 × 10 = ______
  9. 17 + 20 = ______
  10. 29 + 20 = ______
  11. 83 − 10 = ______
  12. 62 + 20 = ______
  13. 16 + 10 = ______
  14. 75 + 10 = ______
  15. 76 − 10 = ______
  16. 5 × 10 = ______
  17. 67 + 10 = ______
  18. 64 + 10 = ______
  19. 30 + 20 = ______
  20. 69 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath