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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 + 61 by rounding each number to the nearest 10: ______
  2. Estimate 88 + 63 by rounding each number to the nearest 10: ______
  3. Estimate 29 + 46 by rounding each number to the nearest 10: ______
  4. Estimate 69 − 60 by rounding each number to the nearest 10: ______
  5. Estimate 35 − 40 by rounding each number to the nearest 10: ______
  6. Estimate 56 + 43 by rounding each number to the nearest 10: ______
  7. Estimate 36 + 62 by rounding each number to the nearest 10: ______
  8. Estimate 59 − 88 by rounding each number to the nearest 10: ______
  9. Estimate 32 − 79 by rounding each number to the nearest 10: ______
  10. Estimate 34 − 51 by rounding each number to the nearest 10: ______
  11. Estimate 80 + 77 by rounding each number to the nearest 10: ______
  12. Estimate 52 + 35 by rounding each number to the nearest 10: ______
  13. Estimate 68 − 32 by rounding each number to the nearest 10: ______
  14. Estimate 23 − 44 by rounding each number to the nearest 10: ______
  15. Estimate 88 + 60 by rounding each number to the nearest 10: ______
  16. Estimate 86 + 29 by rounding each number to the nearest 10: ______
  17. Estimate 27 + 76 by rounding each number to the nearest 10: ______
  18. Estimate 25 − 39 by rounding each number to the nearest 10: ______
  19. Estimate 73 + 80 by rounding each number to the nearest 10: ______
  20. Estimate 32 + 78 by rounding each number to the nearest 10: ______