Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 − 87 by rounding each number to the nearest 10: ______
- Estimate 83 + 86 by rounding each number to the nearest 10: ______
- Estimate 43 − 86 by rounding each number to the nearest 10: ______
- Estimate 86 − 83 by rounding each number to the nearest 10: ______
- Estimate 37 − 32 by rounding each number to the nearest 10: ______
- Estimate 56 + 39 by rounding each number to the nearest 10: ______
- Estimate 31 + 44 by rounding each number to the nearest 10: ______
- Estimate 37 − 29 by rounding each number to the nearest 10: ______
- Estimate 26 + 85 by rounding each number to the nearest 10: ______
- Estimate 72 + 31 by rounding each number to the nearest 10: ______
- Estimate 23 − 61 by rounding each number to the nearest 10: ______
- Estimate 50 + 85 by rounding each number to the nearest 10: ______
- Estimate 26 + 66 by rounding each number to the nearest 10: ______
- Estimate 57 − 69 by rounding each number to the nearest 10: ______
- Estimate 56 − 59 by rounding each number to the nearest 10: ______
- Estimate 87 + 61 by rounding each number to the nearest 10: ______
- Estimate 66 + 53 by rounding each number to the nearest 10: ______
- Estimate 54 + 78 by rounding each number to the nearest 10: ______
- Estimate 72 − 71 by rounding each number to the nearest 10: ______
- Estimate 87 + 26 by rounding each number to the nearest 10: ______