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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 46 − 33 by rounding each number to the nearest 10: ______
  2. Estimate 29 + 69 by rounding each number to the nearest 10: ______
  3. Estimate 69 − 88 by rounding each number to the nearest 10: ______
  4. Estimate 79 − 60 by rounding each number to the nearest 10: ______
  5. Estimate 22 + 23 by rounding each number to the nearest 10: ______
  6. Estimate 44 + 77 by rounding each number to the nearest 10: ______
  7. Estimate 48 − 81 by rounding each number to the nearest 10: ______
  8. Estimate 33 − 89 by rounding each number to the nearest 10: ______
  9. Estimate 33 − 43 by rounding each number to the nearest 10: ______
  10. Estimate 37 − 62 by rounding each number to the nearest 10: ______
  11. Estimate 78 + 48 by rounding each number to the nearest 10: ______
  12. Estimate 34 − 44 by rounding each number to the nearest 10: ______
  13. Estimate 76 − 62 by rounding each number to the nearest 10: ______
  14. Estimate 64 − 46 by rounding each number to the nearest 10: ______
  15. Estimate 45 − 76 by rounding each number to the nearest 10: ______
  16. Estimate 68 − 21 by rounding each number to the nearest 10: ______
  17. Estimate 66 − 49 by rounding each number to the nearest 10: ______
  18. Estimate 76 − 36 by rounding each number to the nearest 10: ______
  19. Estimate 28 − 58 by rounding each number to the nearest 10: ______
  20. Estimate 54 − 66 by rounding each number to the nearest 10: ______