Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 46 − 21 by rounding each number to the nearest 10: ______
- Estimate 87 − 38 by rounding each number to the nearest 10: ______
- Estimate 87 + 50 by rounding each number to the nearest 10: ______
- Estimate 26 + 45 by rounding each number to the nearest 10: ______
- Estimate 84 + 35 by rounding each number to the nearest 10: ______
- Estimate 84 − 53 by rounding each number to the nearest 10: ______
- Estimate 54 − 25 by rounding each number to the nearest 10: ______
- Estimate 70 − 76 by rounding each number to the nearest 10: ______
- Estimate 71 + 60 by rounding each number to the nearest 10: ______
- Estimate 46 − 69 by rounding each number to the nearest 10: ______
- Estimate 71 + 32 by rounding each number to the nearest 10: ______
- Estimate 66 − 80 by rounding each number to the nearest 10: ______
- Estimate 82 + 29 by rounding each number to the nearest 10: ______
- Estimate 68 + 38 by rounding each number to the nearest 10: ______
- Estimate 21 + 26 by rounding each number to the nearest 10: ______
- Estimate 79 + 27 by rounding each number to the nearest 10: ______
- Estimate 55 + 54 by rounding each number to the nearest 10: ______
- Estimate 81 − 32 by rounding each number to the nearest 10: ______
- Estimate 79 + 80 by rounding each number to the nearest 10: ______
- Estimate 51 − 83 by rounding each number to the nearest 10: ______