Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 + 45 by rounding each number to the nearest 10: ______
- Estimate 22 + 71 by rounding each number to the nearest 10: ______
- Estimate 65 + 84 by rounding each number to the nearest 10: ______
- Estimate 45 + 77 by rounding each number to the nearest 10: ______
- Estimate 53 + 79 by rounding each number to the nearest 10: ______
- Estimate 59 − 27 by rounding each number to the nearest 10: ______
- Estimate 38 − 37 by rounding each number to the nearest 10: ______
- Estimate 48 + 60 by rounding each number to the nearest 10: ______
- Estimate 39 − 47 by rounding each number to the nearest 10: ______
- Estimate 46 − 48 by rounding each number to the nearest 10: ______
- Estimate 82 + 79 by rounding each number to the nearest 10: ______
- Estimate 72 + 60 by rounding each number to the nearest 10: ______
- Estimate 71 − 57 by rounding each number to the nearest 10: ______
- Estimate 63 + 57 by rounding each number to the nearest 10: ______
- Estimate 35 − 76 by rounding each number to the nearest 10: ______
- Estimate 83 − 59 by rounding each number to the nearest 10: ______
- Estimate 38 + 37 by rounding each number to the nearest 10: ______
- Estimate 70 − 25 by rounding each number to the nearest 10: ______
- Estimate 52 + 71 by rounding each number to the nearest 10: ______
- Estimate 23 − 55 by rounding each number to the nearest 10: ______