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. 62 + 20 = ______
  2. 12 + 10 = ______
  3. 73 + 10 = ______
  4. 50 + 10 = ______
  5. 51 + 10 = ______
  6. 3 × 10 = ______
  7. 6 × 10 = ______
  8. 26 + 20 = ______
  9. 45 + 20 = ______
  10. 59 + 10 = ______
  11. 55 − 10 = ______
  12. 8 × 10 = ______
  13. 31 + 20 = ______
  14. 21 − 10 = ______
  15. 48 − 10 = ______
  16. 78 − 10 = ______
  17. 83 + 20 = ______
  18. 81 + 10 = ______
  19. 65 + 20 = ______
  20. 36 + 20 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath