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. 60 − 10 = ______
  2. 41 + 20 = ______
  3. 95 − 10 = ______
  4. 83 + 20 = ______
  5. 33 + 10 = ______
  6. 8 × 10 = ______
  7. 54 + 10 = ______
  8. 57 − 10 = ______
  9. 65 + 20 = ______
  10. 15 + 20 = ______
  11. 37 + 20 = ______
  12. 9 × 10 = ______
  13. 3 × 10 = ______
  14. 33 + 20 = ______
  15. 11 + 20 = ______
  16. 68 + 20 = ______
  17. 81 + 20 = ______
  18. 56 + 20 = ______
  19. 18 + 10 = ______
  20. 50 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath