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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 43 + 77 by rounding each number to the nearest 10: ______
  2. Estimate 46 + 38 by rounding each number to the nearest 10: ______
  3. Estimate 75 − 24 by rounding each number to the nearest 10: ______
  4. Estimate 46 + 86 by rounding each number to the nearest 10: ______
  5. Estimate 60 + 48 by rounding each number to the nearest 10: ______
  6. Estimate 54 + 51 by rounding each number to the nearest 10: ______
  7. Estimate 54 + 83 by rounding each number to the nearest 10: ______
  8. Estimate 54 + 41 by rounding each number to the nearest 10: ______
  9. Estimate 64 − 37 by rounding each number to the nearest 10: ______
  10. Estimate 27 − 87 by rounding each number to the nearest 10: ______
  11. Estimate 45 + 47 by rounding each number to the nearest 10: ______
  12. Estimate 66 − 61 by rounding each number to the nearest 10: ______
  13. Estimate 35 − 25 by rounding each number to the nearest 10: ______
  14. Estimate 27 + 44 by rounding each number to the nearest 10: ______
  15. Estimate 73 − 73 by rounding each number to the nearest 10: ______
  16. Estimate 35 − 56 by rounding each number to the nearest 10: ______
  17. Estimate 61 − 73 by rounding each number to the nearest 10: ______
  18. Estimate 77 − 46 by rounding each number to the nearest 10: ______
  19. Estimate 63 + 21 by rounding each number to the nearest 10: ______
  20. Estimate 32 + 41 by rounding each number to the nearest 10: ______