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. 88 + 20 = ______
  2. 24 + 20 = ______
  3. 8 × 10 = ______
  4. 4 × 10 = ______
  5. 19 + 10 = ______
  6. 76 + 20 = ______
  7. 72 − 10 = ______
  8. 32 + 20 = ______
  9. 66 + 10 = ______
  10. 74 + 20 = ______
  11. 3 × 10 = ______
  12. 1 × 10 = ______
  13. 81 + 10 = ______
  14. 53 + 10 = ______
  15. 12 + 10 = ______
  16. 23 + 10 = ______
  17. 75 + 20 = ______
  18. 5 × 10 = ______
  19. 68 − 10 = ______
  20. 80 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath