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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 82 + 76 by rounding each number to the nearest 10: ______
  2. Estimate 26 + 77 by rounding each number to the nearest 10: ______
  3. Estimate 60 + 78 by rounding each number to the nearest 10: ______
  4. Estimate 53 + 68 by rounding each number to the nearest 10: ______
  5. Estimate 71 + 39 by rounding each number to the nearest 10: ______
  6. Estimate 56 − 87 by rounding each number to the nearest 10: ______
  7. Estimate 38 − 76 by rounding each number to the nearest 10: ______
  8. Estimate 69 − 83 by rounding each number to the nearest 10: ______
  9. Estimate 54 − 26 by rounding each number to the nearest 10: ______
  10. Estimate 59 − 46 by rounding each number to the nearest 10: ______
  11. Estimate 56 + 79 by rounding each number to the nearest 10: ______
  12. Estimate 61 + 86 by rounding each number to the nearest 10: ______
  13. Estimate 69 + 55 by rounding each number to the nearest 10: ______
  14. Estimate 29 − 40 by rounding each number to the nearest 10: ______
  15. Estimate 54 + 32 by rounding each number to the nearest 10: ______
  16. Estimate 52 + 83 by rounding each number to the nearest 10: ______
  17. Estimate 32 − 65 by rounding each number to the nearest 10: ______
  18. Estimate 56 + 50 by rounding each number to the nearest 10: ______
  19. Estimate 57 − 72 by rounding each number to the nearest 10: ______
  20. Estimate 32 − 73 by rounding each number to the nearest 10: ______