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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 34 + 31 by rounding each number to the nearest 10: ______
  2. Estimate 26 − 37 by rounding each number to the nearest 10: ______
  3. Estimate 25 − 53 by rounding each number to the nearest 10: ______
  4. Estimate 35 − 82 by rounding each number to the nearest 10: ______
  5. Estimate 69 − 34 by rounding each number to the nearest 10: ______
  6. Estimate 88 + 44 by rounding each number to the nearest 10: ______
  7. Estimate 73 − 44 by rounding each number to the nearest 10: ______
  8. Estimate 26 − 76 by rounding each number to the nearest 10: ______
  9. Estimate 67 + 70 by rounding each number to the nearest 10: ______
  10. Estimate 38 + 86 by rounding each number to the nearest 10: ______
  11. Estimate 88 − 70 by rounding each number to the nearest 10: ______
  12. Estimate 57 − 35 by rounding each number to the nearest 10: ______
  13. Estimate 51 − 46 by rounding each number to the nearest 10: ______
  14. Estimate 39 + 46 by rounding each number to the nearest 10: ______
  15. Estimate 56 + 47 by rounding each number to the nearest 10: ______
  16. Estimate 72 − 30 by rounding each number to the nearest 10: ______
  17. Estimate 56 + 64 by rounding each number to the nearest 10: ______
  18. Estimate 23 + 22 by rounding each number to the nearest 10: ______
  19. Estimate 76 − 64 by rounding each number to the nearest 10: ______
  20. Estimate 41 + 61 by rounding each number to the nearest 10: ______