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. 5 × 10 = ______
  2. 48 + 10 = ______
  3. 28 − 10 = ______
  4. 77 + 20 = ______
  5. 81 + 10 = ______
  6. 72 + 20 = ______
  7. 79 + 20 = ______
  8. 8 × 10 = ______
  9. 9 × 10 = ______
  10. 54 + 20 = ______
  11. 58 + 10 = ______
  12. 81 + 20 = ______
  13. 68 + 20 = ______
  14. 41 + 10 = ______
  15. 14 + 20 = ______
  16. 12 + 20 = ______
  17. 47 + 10 = ______
  18. 49 + 10 = ______
  19. 17 + 20 = ______
  20. 81 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath