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. 43 + 20 = ______
  2. 50 + 10 = ______
  3. 55 + 10 = ______
  4. 32 + 20 = ______
  5. 12 + 10 = ______
  6. 26 + 20 = ______
  7. 85 + 10 = ______
  8. 68 + 10 = ______
  9. 60 − 10 = ______
  10. 40 + 20 = ______
  11. 85 + 20 = ______
  12. 87 + 10 = ______
  13. 44 − 10 = ______
  14. 64 − 10 = ______
  15. 37 − 10 = ______
  16. 9 × 10 = ______
  17. 31 + 10 = ______
  18. 7 × 10 = ______
  19. 6 × 10 = ______
  20. 8 × 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath