Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 − 55 by rounding each number to the nearest 10: ______
- Estimate 43 − 85 by rounding each number to the nearest 10: ______
- Estimate 64 − 36 by rounding each number to the nearest 10: ______
- Estimate 31 + 45 by rounding each number to the nearest 10: ______
- Estimate 41 − 81 by rounding each number to the nearest 10: ______
- Estimate 35 − 71 by rounding each number to the nearest 10: ______
- Estimate 82 − 51 by rounding each number to the nearest 10: ______
- Estimate 84 − 60 by rounding each number to the nearest 10: ______
- Estimate 43 + 73 by rounding each number to the nearest 10: ______
- Estimate 87 + 21 by rounding each number to the nearest 10: ______
- Estimate 64 − 21 by rounding each number to the nearest 10: ______
- Estimate 47 + 64 by rounding each number to the nearest 10: ______
- Estimate 60 − 81 by rounding each number to the nearest 10: ______
- Estimate 29 + 40 by rounding each number to the nearest 10: ______
- Estimate 43 − 58 by rounding each number to the nearest 10: ______
- Estimate 64 − 24 by rounding each number to the nearest 10: ______
- Estimate 87 + 28 by rounding each number to the nearest 10: ______
- Estimate 85 + 61 by rounding each number to the nearest 10: ______
- Estimate 47 − 72 by rounding each number to the nearest 10: ______
- Estimate 55 − 21 by rounding each number to the nearest 10: ______