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. 52 + 20 = ______
  2. 56 + 20 = ______
  3. 18 + 10 = ______
  4. 87 + 20 = ______
  5. 77 + 20 = ______
  6. 79 + 20 = ______
  7. 65 − 10 = ______
  8. 44 + 10 = ______
  9. 5 × 10 = ______
  10. 80 + 10 = ______
  11. 68 + 20 = ______
  12. 57 − 10 = ______
  13. 32 + 20 = ______
  14. 81 + 20 = ______
  15. 40 + 20 = ______
  16. 88 − 10 = ______
  17. 71 + 20 = ______
  18. 66 + 20 = ______
  19. 1 × 10 = ______
  20. 46 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath