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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 48 + 64 by rounding each number to the nearest 10: ______
  2. Estimate 78 + 82 by rounding each number to the nearest 10: ______
  3. Estimate 62 + 52 by rounding each number to the nearest 10: ______
  4. Estimate 62 − 59 by rounding each number to the nearest 10: ______
  5. Estimate 33 − 50 by rounding each number to the nearest 10: ______
  6. Estimate 32 + 76 by rounding each number to the nearest 10: ______
  7. Estimate 72 + 58 by rounding each number to the nearest 10: ______
  8. Estimate 89 − 75 by rounding each number to the nearest 10: ______
  9. Estimate 52 + 44 by rounding each number to the nearest 10: ______
  10. Estimate 31 − 80 by rounding each number to the nearest 10: ______
  11. Estimate 87 + 46 by rounding each number to the nearest 10: ______
  12. Estimate 38 + 86 by rounding each number to the nearest 10: ______
  13. Estimate 76 + 25 by rounding each number to the nearest 10: ______
  14. Estimate 21 + 37 by rounding each number to the nearest 10: ______
  15. Estimate 82 + 62 by rounding each number to the nearest 10: ______
  16. Estimate 56 − 34 by rounding each number to the nearest 10: ______
  17. Estimate 44 − 35 by rounding each number to the nearest 10: ______
  18. Estimate 42 + 52 by rounding each number to the nearest 10: ______
  19. Estimate 52 + 65 by rounding each number to the nearest 10: ______
  20. Estimate 60 − 80 by rounding each number to the nearest 10: ______