Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 − 28 by rounding each number to the nearest 10: ______
- Estimate 81 + 72 by rounding each number to the nearest 10: ______
- Estimate 50 − 83 by rounding each number to the nearest 10: ______
- Estimate 83 − 31 by rounding each number to the nearest 10: ______
- Estimate 23 + 48 by rounding each number to the nearest 10: ______
- Estimate 45 − 82 by rounding each number to the nearest 10: ______
- Estimate 65 + 82 by rounding each number to the nearest 10: ______
- Estimate 33 + 31 by rounding each number to the nearest 10: ______
- Estimate 85 + 29 by rounding each number to the nearest 10: ______
- Estimate 40 + 64 by rounding each number to the nearest 10: ______
- Estimate 28 + 43 by rounding each number to the nearest 10: ______
- Estimate 70 + 58 by rounding each number to the nearest 10: ______
- Estimate 39 + 64 by rounding each number to the nearest 10: ______
- Estimate 54 − 82 by rounding each number to the nearest 10: ______
- Estimate 87 + 64 by rounding each number to the nearest 10: ______
- Estimate 64 − 49 by rounding each number to the nearest 10: ______
- Estimate 43 − 46 by rounding each number to the nearest 10: ______
- Estimate 40 − 49 by rounding each number to the nearest 10: ______
- Estimate 63 + 45 by rounding each number to the nearest 10: ______
- Estimate 68 + 87 by rounding each number to the nearest 10: ______