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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 + 23 by rounding each number to the nearest 10: ______
  2. Estimate 21 − 37 by rounding each number to the nearest 10: ______
  3. Estimate 23 + 58 by rounding each number to the nearest 10: ______
  4. Estimate 75 + 87 by rounding each number to the nearest 10: ______
  5. Estimate 83 − 83 by rounding each number to the nearest 10: ______
  6. Estimate 66 + 82 by rounding each number to the nearest 10: ______
  7. Estimate 47 − 59 by rounding each number to the nearest 10: ______
  8. Estimate 57 + 70 by rounding each number to the nearest 10: ______
  9. Estimate 36 − 87 by rounding each number to the nearest 10: ______
  10. Estimate 35 − 33 by rounding each number to the nearest 10: ______
  11. Estimate 36 + 83 by rounding each number to the nearest 10: ______
  12. Estimate 26 − 34 by rounding each number to the nearest 10: ______
  13. Estimate 39 − 46 by rounding each number to the nearest 10: ______
  14. Estimate 71 + 50 by rounding each number to the nearest 10: ______
  15. Estimate 39 − 27 by rounding each number to the nearest 10: ______
  16. Estimate 29 − 48 by rounding each number to the nearest 10: ______
  17. Estimate 48 + 28 by rounding each number to the nearest 10: ______
  18. Estimate 54 − 41 by rounding each number to the nearest 10: ______
  19. Estimate 89 − 55 by rounding each number to the nearest 10: ______
  20. Estimate 88 − 37 by rounding each number to the nearest 10: ______