Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 − 27 by rounding each number to the nearest 10: ______
- Estimate 81 − 63 by rounding each number to the nearest 10: ______
- Estimate 26 + 87 by rounding each number to the nearest 10: ______
- Estimate 85 + 55 by rounding each number to the nearest 10: ______
- Estimate 52 − 39 by rounding each number to the nearest 10: ______
- Estimate 66 + 71 by rounding each number to the nearest 10: ______
- Estimate 48 − 48 by rounding each number to the nearest 10: ______
- Estimate 44 − 46 by rounding each number to the nearest 10: ______
- Estimate 51 + 77 by rounding each number to the nearest 10: ______
- Estimate 26 − 27 by rounding each number to the nearest 10: ______
- Estimate 55 − 58 by rounding each number to the nearest 10: ______
- Estimate 22 − 72 by rounding each number to the nearest 10: ______
- Estimate 25 − 21 by rounding each number to the nearest 10: ______
- Estimate 31 + 45 by rounding each number to the nearest 10: ______
- Estimate 49 + 68 by rounding each number to the nearest 10: ______
- Estimate 29 − 87 by rounding each number to the nearest 10: ______
- Estimate 69 + 69 by rounding each number to the nearest 10: ______
- Estimate 85 + 41 by rounding each number to the nearest 10: ______
- Estimate 70 + 81 by rounding each number to the nearest 10: ______
- Estimate 28 − 42 by rounding each number to the nearest 10: ______