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Estimación Worksheet

Recommended for 2do grado — 5to grado

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Estimación Worksheet

Name: ____________________Date: ____________

Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.

20 problems

  1. Estimate 58 + 44 by rounding each number to the nearest 10: ______
  2. Estimate 33 + 60 by rounding each number to the nearest 10: ______
  3. Estimate 88 − 22 by rounding each number to the nearest 10: ______
  4. Estimate 54 − 44 by rounding each number to the nearest 10: ______
  5. Estimate 22 + 78 by rounding each number to the nearest 10: ______
  6. Estimate 88 + 75 by rounding each number to the nearest 10: ______
  7. Estimate 41 − 55 by rounding each number to the nearest 10: ______
  8. Estimate 61 − 75 by rounding each number to the nearest 10: ______
  9. Estimate 22 − 80 by rounding each number to the nearest 10: ______
  10. Estimate 31 − 32 by rounding each number to the nearest 10: ______
  11. Estimate 70 − 21 by rounding each number to the nearest 10: ______
  12. Estimate 70 − 32 by rounding each number to the nearest 10: ______
  13. Estimate 83 + 75 by rounding each number to the nearest 10: ______
  14. Estimate 54 − 34 by rounding each number to the nearest 10: ______
  15. Estimate 61 + 53 by rounding each number to the nearest 10: ______
  16. Estimate 48 + 72 by rounding each number to the nearest 10: ______
  17. Estimate 84 − 33 by rounding each number to the nearest 10: ______
  18. Estimate 39 − 34 by rounding each number to the nearest 10: ______
  19. Estimate 41 − 40 by rounding each number to the nearest 10: ______
  20. Estimate 24 + 77 by rounding each number to the nearest 10: ______