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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 + 36 by rounding each number to the nearest 10: ______
  2. Estimate 57 + 71 by rounding each number to the nearest 10: ______
  3. Estimate 34 − 34 by rounding each number to the nearest 10: ______
  4. Estimate 22 − 62 by rounding each number to the nearest 10: ______
  5. Estimate 37 − 59 by rounding each number to the nearest 10: ______
  6. Estimate 32 − 78 by rounding each number to the nearest 10: ______
  7. Estimate 21 + 40 by rounding each number to the nearest 10: ______
  8. Estimate 83 + 82 by rounding each number to the nearest 10: ______
  9. Estimate 21 − 41 by rounding each number to the nearest 10: ______
  10. Estimate 64 + 85 by rounding each number to the nearest 10: ______
  11. Estimate 80 + 55 by rounding each number to the nearest 10: ______
  12. Estimate 46 + 36 by rounding each number to the nearest 10: ______
  13. Estimate 51 + 79 by rounding each number to the nearest 10: ______
  14. Estimate 82 − 33 by rounding each number to the nearest 10: ______
  15. Estimate 56 − 86 by rounding each number to the nearest 10: ______
  16. Estimate 33 − 63 by rounding each number to the nearest 10: ______
  17. Estimate 45 + 25 by rounding each number to the nearest 10: ______
  18. Estimate 47 − 57 by rounding each number to the nearest 10: ______
  19. Estimate 74 + 57 by rounding each number to the nearest 10: ______
  20. Estimate 61 + 56 by rounding each number to the nearest 10: ______