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. 98 − 10 = ______
  2. 37 − 10 = ______
  3. 32 + 20 = ______
  4. 40 + 10 = ______
  5. 59 + 20 = ______
  6. 69 + 10 = ______
  7. 46 + 20 = ______
  8. 27 − 10 = ______
  9. 38 + 10 = ______
  10. 70 + 20 = ______
  11. 4 × 10 = ______
  12. 30 − 10 = ______
  13. 39 + 20 = ______
  14. 26 + 10 = ______
  15. 65 + 20 = ______
  16. 83 − 10 = ______
  17. 2 × 10 = ______
  18. 48 + 10 = ______
  19. 29 − 10 = ______
  20. 24 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath