Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 + 61 by rounding each number to the nearest 10: ______
- Estimate 84 − 84 by rounding each number to the nearest 10: ______
- Estimate 86 − 50 by rounding each number to the nearest 10: ______
- Estimate 40 + 73 by rounding each number to the nearest 10: ______
- Estimate 73 − 48 by rounding each number to the nearest 10: ______
- Estimate 25 − 40 by rounding each number to the nearest 10: ______
- Estimate 30 + 78 by rounding each number to the nearest 10: ______
- Estimate 44 + 75 by rounding each number to the nearest 10: ______
- Estimate 53 − 60 by rounding each number to the nearest 10: ______
- Estimate 21 − 47 by rounding each number to the nearest 10: ______
- Estimate 88 + 70 by rounding each number to the nearest 10: ______
- Estimate 72 − 27 by rounding each number to the nearest 10: ______
- Estimate 57 + 22 by rounding each number to the nearest 10: ______
- Estimate 86 − 25 by rounding each number to the nearest 10: ______
- Estimate 63 + 30 by rounding each number to the nearest 10: ______
- Estimate 89 − 69 by rounding each number to the nearest 10: ______
- Estimate 70 + 65 by rounding each number to the nearest 10: ______
- Estimate 38 − 25 by rounding each number to the nearest 10: ______
- Estimate 50 + 82 by rounding each number to the nearest 10: ______
- Estimate 88 + 49 by rounding each number to the nearest 10: ______