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. 38 + 20 = ______
  2. 8 × 10 = ______
  3. 74 + 20 = ______
  4. 84 − 10 = ______
  5. 41 + 10 = ______
  6. 35 − 10 = ______
  7. 1 × 10 = ______
  8. 23 + 20 = ______
  9. 60 + 20 = ______
  10. 76 + 10 = ______
  11. 49 − 10 = ______
  12. 46 + 20 = ______
  13. 14 + 20 = ______
  14. 16 + 20 = ______
  15. 5 × 10 = ______
  16. 61 + 20 = ______
  17. 87 + 10 = ______
  18. 68 + 20 = ______
  19. 40 + 20 = ______
  20. 85 + 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath