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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 81 + 84 by rounding each number to the nearest 10: ______
  2. Estimate 89 − 70 by rounding each number to the nearest 10: ______
  3. Estimate 83 − 45 by rounding each number to the nearest 10: ______
  4. Estimate 27 − 43 by rounding each number to the nearest 10: ______
  5. Estimate 22 − 65 by rounding each number to the nearest 10: ______
  6. Estimate 40 + 76 by rounding each number to the nearest 10: ______
  7. Estimate 24 + 39 by rounding each number to the nearest 10: ______
  8. Estimate 87 + 61 by rounding each number to the nearest 10: ______
  9. Estimate 55 − 39 by rounding each number to the nearest 10: ______
  10. Estimate 69 + 37 by rounding each number to the nearest 10: ______
  11. Estimate 65 + 73 by rounding each number to the nearest 10: ______
  12. Estimate 59 − 62 by rounding each number to the nearest 10: ______
  13. Estimate 56 − 23 by rounding each number to the nearest 10: ______
  14. Estimate 73 − 65 by rounding each number to the nearest 10: ______
  15. Estimate 48 − 53 by rounding each number to the nearest 10: ______
  16. Estimate 37 − 56 by rounding each number to the nearest 10: ______
  17. Estimate 72 − 85 by rounding each number to the nearest 10: ______
  18. Estimate 77 − 34 by rounding each number to the nearest 10: ______
  19. Estimate 69 − 28 by rounding each number to the nearest 10: ______
  20. Estimate 50 − 57 by rounding each number to the nearest 10: ______