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. 77 + 20 = ______
  2. 37 + 20 = ______
  3. 22 + 10 = ______
  4. 19 + 10 = ______
  5. 43 + 20 = ______
  6. 41 + 20 = ______
  7. 62 + 10 = ______
  8. 36 + 20 = ______
  9. 26 + 10 = ______
  10. 58 + 10 = ______
  11. 61 − 10 = ______
  12. 57 + 20 = ______
  13. 75 − 10 = ______
  14. 7 × 10 = ______
  15. 50 + 20 = ______
  16. 85 + 20 = ______
  17. 1 × 10 = ______
  18. 6 × 10 = ______
  19. 2 × 10 = ______
  20. 97 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath