Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 + 23 by rounding each number to the nearest 10: ______
- Estimate 80 + 22 by rounding each number to the nearest 10: ______
- Estimate 74 − 39 by rounding each number to the nearest 10: ______
- Estimate 27 + 48 by rounding each number to the nearest 10: ______
- Estimate 80 + 29 by rounding each number to the nearest 10: ______
- Estimate 46 − 54 by rounding each number to the nearest 10: ______
- Estimate 51 + 53 by rounding each number to the nearest 10: ______
- Estimate 87 − 39 by rounding each number to the nearest 10: ______
- Estimate 29 + 59 by rounding each number to the nearest 10: ______
- Estimate 35 − 27 by rounding each number to the nearest 10: ______
- Estimate 55 + 74 by rounding each number to the nearest 10: ______
- Estimate 22 + 44 by rounding each number to the nearest 10: ______
- Estimate 39 + 32 by rounding each number to the nearest 10: ______
- Estimate 39 − 46 by rounding each number to the nearest 10: ______
- Estimate 48 + 27 by rounding each number to the nearest 10: ______
- Estimate 86 − 35 by rounding each number to the nearest 10: ______
- Estimate 65 + 74 by rounding each number to the nearest 10: ______
- Estimate 82 + 53 by rounding each number to the nearest 10: ______
- Estimate 37 + 31 by rounding each number to the nearest 10: ______
- Estimate 38 + 58 by rounding each number to the nearest 10: ______