Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 69 + 26 by rounding each number to the nearest 10: ______
- Estimate 30 − 78 by rounding each number to the nearest 10: ______
- Estimate 87 + 39 by rounding each number to the nearest 10: ______
- Estimate 44 − 41 by rounding each number to the nearest 10: ______
- Estimate 52 − 49 by rounding each number to the nearest 10: ______
- Estimate 76 + 52 by rounding each number to the nearest 10: ______
- Estimate 54 + 87 by rounding each number to the nearest 10: ______
- Estimate 64 − 23 by rounding each number to the nearest 10: ______
- Estimate 52 + 59 by rounding each number to the nearest 10: ______
- Estimate 48 + 82 by rounding each number to the nearest 10: ______
- Estimate 82 + 65 by rounding each number to the nearest 10: ______
- Estimate 21 + 68 by rounding each number to the nearest 10: ______
- Estimate 53 − 68 by rounding each number to the nearest 10: ______
- Estimate 67 − 85 by rounding each number to the nearest 10: ______
- Estimate 32 + 54 by rounding each number to the nearest 10: ______
- Estimate 25 − 67 by rounding each number to the nearest 10: ______
- Estimate 67 − 41 by rounding each number to the nearest 10: ______
- Estimate 58 + 56 by rounding each number to the nearest 10: ______
- Estimate 82 + 46 by rounding each number to the nearest 10: ______
- Estimate 58 − 65 by rounding each number to the nearest 10: ______