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. 46 + 10 = ______
  2. 1 × 10 = ______
  3. 66 + 10 = ______
  4. 2 × 10 = ______
  5. 8 × 10 = ______
  6. 51 + 10 = ______
  7. 89 + 10 = ______
  8. 29 + 20 = ______
  9. 33 + 20 = ______
  10. 67 + 20 = ______
  11. 62 + 10 = ______
  12. 47 + 10 = ______
  13. 63 + 10 = ______
  14. 58 + 10 = ______
  15. 3 × 10 = ______
  16. 56 − 10 = ______
  17. 48 − 10 = ______
  18. 61 + 20 = ______
  19. 68 + 10 = ______
  20. 55 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath