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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 50 + 81 by rounding each number to the nearest 10: ______
  2. Estimate 24 + 36 by rounding each number to the nearest 10: ______
  3. Estimate 79 − 33 by rounding each number to the nearest 10: ______
  4. Estimate 46 + 63 by rounding each number to the nearest 10: ______
  5. Estimate 28 + 32 by rounding each number to the nearest 10: ______
  6. Estimate 83 + 78 by rounding each number to the nearest 10: ______
  7. Estimate 28 − 88 by rounding each number to the nearest 10: ______
  8. Estimate 68 + 63 by rounding each number to the nearest 10: ______
  9. Estimate 80 − 22 by rounding each number to the nearest 10: ______
  10. Estimate 39 − 55 by rounding each number to the nearest 10: ______
  11. Estimate 77 + 33 by rounding each number to the nearest 10: ______
  12. Estimate 80 − 47 by rounding each number to the nearest 10: ______
  13. Estimate 53 − 76 by rounding each number to the nearest 10: ______
  14. Estimate 84 − 87 by rounding each number to the nearest 10: ______
  15. Estimate 34 − 62 by rounding each number to the nearest 10: ______
  16. Estimate 47 − 83 by rounding each number to the nearest 10: ______
  17. Estimate 44 − 72 by rounding each number to the nearest 10: ______
  18. Estimate 60 − 79 by rounding each number to the nearest 10: ______
  19. Estimate 60 − 56 by rounding each number to the nearest 10: ______
  20. Estimate 69 − 37 by rounding each number to the nearest 10: ______