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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 22 + 28 by rounding each number to the nearest 10: ______
  2. Estimate 54 − 24 by rounding each number to the nearest 10: ______
  3. Estimate 79 + 41 by rounding each number to the nearest 10: ______
  4. Estimate 32 − 38 by rounding each number to the nearest 10: ______
  5. Estimate 87 + 46 by rounding each number to the nearest 10: ______
  6. Estimate 25 − 76 by rounding each number to the nearest 10: ______
  7. Estimate 56 − 24 by rounding each number to the nearest 10: ______
  8. Estimate 31 − 64 by rounding each number to the nearest 10: ______
  9. Estimate 70 + 32 by rounding each number to the nearest 10: ______
  10. Estimate 33 + 39 by rounding each number to the nearest 10: ______
  11. Estimate 24 − 45 by rounding each number to the nearest 10: ______
  12. Estimate 23 − 24 by rounding each number to the nearest 10: ______
  13. Estimate 72 − 54 by rounding each number to the nearest 10: ______
  14. Estimate 88 − 68 by rounding each number to the nearest 10: ______
  15. Estimate 83 − 46 by rounding each number to the nearest 10: ______
  16. Estimate 24 − 73 by rounding each number to the nearest 10: ______
  17. Estimate 73 − 82 by rounding each number to the nearest 10: ______
  18. Estimate 43 + 67 by rounding each number to the nearest 10: ______
  19. Estimate 33 − 63 by rounding each number to the nearest 10: ______
  20. Estimate 35 + 22 by rounding each number to the nearest 10: ______