Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 + 87 by rounding each number to the nearest 10: ______
- Estimate 44 + 66 by rounding each number to the nearest 10: ______
- Estimate 60 − 75 by rounding each number to the nearest 10: ______
- Estimate 22 − 80 by rounding each number to the nearest 10: ______
- Estimate 85 + 54 by rounding each number to the nearest 10: ______
- Estimate 37 − 31 by rounding each number to the nearest 10: ______
- Estimate 61 + 54 by rounding each number to the nearest 10: ______
- Estimate 49 + 35 by rounding each number to the nearest 10: ______
- Estimate 64 − 73 by rounding each number to the nearest 10: ______
- Estimate 24 + 82 by rounding each number to the nearest 10: ______
- Estimate 32 − 45 by rounding each number to the nearest 10: ______
- Estimate 85 + 36 by rounding each number to the nearest 10: ______
- Estimate 29 + 40 by rounding each number to the nearest 10: ______
- Estimate 36 − 84 by rounding each number to the nearest 10: ______
- Estimate 48 + 37 by rounding each number to the nearest 10: ______
- Estimate 82 − 85 by rounding each number to the nearest 10: ______
- Estimate 58 − 58 by rounding each number to the nearest 10: ______
- Estimate 31 − 80 by rounding each number to the nearest 10: ______
- Estimate 78 − 30 by rounding each number to the nearest 10: ______
- Estimate 61 + 59 by rounding each number to the nearest 10: ______