Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 41 + 60 by rounding each number to the nearest 10: ______
- Estimate 87 − 50 by rounding each number to the nearest 10: ______
- Estimate 72 − 49 by rounding each number to the nearest 10: ______
- Estimate 22 − 53 by rounding each number to the nearest 10: ______
- Estimate 66 + 67 by rounding each number to the nearest 10: ______
- Estimate 28 + 55 by rounding each number to the nearest 10: ______
- Estimate 47 − 69 by rounding each number to the nearest 10: ______
- Estimate 76 + 82 by rounding each number to the nearest 10: ______
- Estimate 56 − 70 by rounding each number to the nearest 10: ______
- Estimate 65 + 21 by rounding each number to the nearest 10: ______
- Estimate 30 − 37 by rounding each number to the nearest 10: ______
- Estimate 54 + 45 by rounding each number to the nearest 10: ______
- Estimate 62 + 68 by rounding each number to the nearest 10: ______
- Estimate 52 − 35 by rounding each number to the nearest 10: ______
- Estimate 44 − 31 by rounding each number to the nearest 10: ______
- Estimate 71 + 65 by rounding each number to the nearest 10: ______
- Estimate 68 − 55 by rounding each number to the nearest 10: ______
- Estimate 72 + 72 by rounding each number to the nearest 10: ______
- Estimate 25 + 76 by rounding each number to the nearest 10: ______
- Estimate 65 + 28 by rounding each number to the nearest 10: ______