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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 59 − 58 by rounding each number to the nearest 10: ______
  2. Estimate 53 − 25 by rounding each number to the nearest 10: ______
  3. Estimate 33 − 71 by rounding each number to the nearest 10: ______
  4. Estimate 84 − 51 by rounding each number to the nearest 10: ______
  5. Estimate 52 + 60 by rounding each number to the nearest 10: ______
  6. Estimate 26 − 25 by rounding each number to the nearest 10: ______
  7. Estimate 54 − 49 by rounding each number to the nearest 10: ______
  8. Estimate 38 + 74 by rounding each number to the nearest 10: ______
  9. Estimate 39 − 77 by rounding each number to the nearest 10: ______
  10. Estimate 52 + 26 by rounding each number to the nearest 10: ______
  11. Estimate 52 + 22 by rounding each number to the nearest 10: ______
  12. Estimate 38 − 68 by rounding each number to the nearest 10: ______
  13. Estimate 89 − 72 by rounding each number to the nearest 10: ______
  14. Estimate 38 − 34 by rounding each number to the nearest 10: ______
  15. Estimate 28 − 35 by rounding each number to the nearest 10: ______
  16. Estimate 78 + 70 by rounding each number to the nearest 10: ______
  17. Estimate 49 − 43 by rounding each number to the nearest 10: ______
  18. Estimate 24 − 75 by rounding each number to the nearest 10: ______
  19. Estimate 54 − 34 by rounding each number to the nearest 10: ______
  20. Estimate 36 + 87 by rounding each number to the nearest 10: ______