Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 75 by rounding each number to the nearest 10: ______
- Estimate 61 + 50 by rounding each number to the nearest 10: ______
- Estimate 82 − 24 by rounding each number to the nearest 10: ______
- Estimate 87 − 25 by rounding each number to the nearest 10: ______
- Estimate 45 + 54 by rounding each number to the nearest 10: ______
- Estimate 66 − 26 by rounding each number to the nearest 10: ______
- Estimate 76 − 85 by rounding each number to the nearest 10: ______
- Estimate 56 − 25 by rounding each number to the nearest 10: ______
- Estimate 43 + 23 by rounding each number to the nearest 10: ______
- Estimate 31 − 30 by rounding each number to the nearest 10: ______
- Estimate 56 + 89 by rounding each number to the nearest 10: ______
- Estimate 88 − 35 by rounding each number to the nearest 10: ______
- Estimate 77 + 60 by rounding each number to the nearest 10: ______
- Estimate 29 − 71 by rounding each number to the nearest 10: ______
- Estimate 32 − 51 by rounding each number to the nearest 10: ______
- Estimate 43 + 66 by rounding each number to the nearest 10: ______
- Estimate 76 + 49 by rounding each number to the nearest 10: ______
- Estimate 85 − 35 by rounding each number to the nearest 10: ______
- Estimate 78 − 50 by rounding each number to the nearest 10: ______
- Estimate 29 − 40 by rounding each number to the nearest 10: ______