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. 43 + 10 = ______
  2. 19 + 20 = ______
  3. 88 + 10 = ______
  4. 60 + 20 = ______
  5. 2 × 10 = ______
  6. 79 + 10 = ______
  7. 78 + 20 = ______
  8. 59 + 10 = ______
  9. 5 × 10 = ______
  10. 46 + 10 = ______
  11. 1 × 10 = ______
  12. 55 + 10 = ______
  13. 6 × 10 = ______
  14. 66 + 10 = ______
  15. 45 + 20 = ______
  16. 28 − 10 = ______
  17. 71 + 20 = ______
  18. 34 − 10 = ______
  19. 7 × 10 = ______
  20. 88 − 10 = ______
Matemáticas mentales Worksheet — Free Printable with Answer Key | WaffleMath