Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 54 by rounding each number to the nearest 10: ______
- Estimate 26 + 50 by rounding each number to the nearest 10: ______
- Estimate 21 − 22 by rounding each number to the nearest 10: ______
- Estimate 47 + 61 by rounding each number to the nearest 10: ______
- Estimate 60 + 60 by rounding each number to the nearest 10: ______
- Estimate 21 − 39 by rounding each number to the nearest 10: ______
- Estimate 87 − 48 by rounding each number to the nearest 10: ______
- Estimate 65 + 62 by rounding each number to the nearest 10: ______
- Estimate 62 + 53 by rounding each number to the nearest 10: ______
- Estimate 89 − 78 by rounding each number to the nearest 10: ______
- Estimate 45 − 62 by rounding each number to the nearest 10: ______
- Estimate 84 + 30 by rounding each number to the nearest 10: ______
- Estimate 65 − 80 by rounding each number to the nearest 10: ______
- Estimate 69 + 49 by rounding each number to the nearest 10: ______
- Estimate 38 + 25 by rounding each number to the nearest 10: ______
- Estimate 59 + 87 by rounding each number to the nearest 10: ______
- Estimate 29 + 61 by rounding each number to the nearest 10: ______
- Estimate 45 − 84 by rounding each number to the nearest 10: ______
- Estimate 22 + 40 by rounding each number to the nearest 10: ______
- Estimate 25 − 58 by rounding each number to the nearest 10: ______