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. 55 − 10 = ______
  3. 57 + 20 = ______
  4. 32 − 10 = ______
  5. 18 + 10 = ______
  6. 78 + 20 = ______
  7. 23 + 10 = ______
  8. 54 + 20 = ______
  9. 62 + 20 = ______
  10. 64 − 10 = ______
  11. 65 + 20 = ______
  12. 19 + 10 = ______
  13. 40 + 20 = ______
  14. 16 + 20 = ______
  15. 26 + 20 = ______
  16. 37 + 20 = ______
  17. 36 + 20 = ______
  18. 29 + 10 = ______
  19. 72 − 10 = ______
  20. 86 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath