Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 + 83 by rounding each number to the nearest 10: ______
- Estimate 26 + 50 by rounding each number to the nearest 10: ______
- Estimate 31 − 70 by rounding each number to the nearest 10: ______
- Estimate 42 − 45 by rounding each number to the nearest 10: ______
- Estimate 21 − 46 by rounding each number to the nearest 10: ______
- Estimate 34 + 57 by rounding each number to the nearest 10: ______
- Estimate 25 − 54 by rounding each number to the nearest 10: ______
- Estimate 22 − 62 by rounding each number to the nearest 10: ______
- Estimate 60 − 67 by rounding each number to the nearest 10: ______
- Estimate 55 + 87 by rounding each number to the nearest 10: ______
- Estimate 68 + 54 by rounding each number to the nearest 10: ______
- Estimate 43 − 44 by rounding each number to the nearest 10: ______
- Estimate 38 + 66 by rounding each number to the nearest 10: ______
- Estimate 49 + 86 by rounding each number to the nearest 10: ______
- Estimate 66 − 69 by rounding each number to the nearest 10: ______
- Estimate 46 − 70 by rounding each number to the nearest 10: ______
- Estimate 50 − 56 by rounding each number to the nearest 10: ______
- Estimate 24 − 30 by rounding each number to the nearest 10: ______
- Estimate 67 + 78 by rounding each number to the nearest 10: ______
- Estimate 40 − 76 by rounding each number to the nearest 10: ______