Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 41 + 22 by rounding each number to the nearest 10: ______
- Estimate 45 + 73 by rounding each number to the nearest 10: ______
- Estimate 72 + 60 by rounding each number to the nearest 10: ______
- Estimate 70 − 52 by rounding each number to the nearest 10: ______
- Estimate 50 + 29 by rounding each number to the nearest 10: ______
- Estimate 61 − 47 by rounding each number to the nearest 10: ______
- Estimate 39 + 49 by rounding each number to the nearest 10: ______
- Estimate 87 + 85 by rounding each number to the nearest 10: ______
- Estimate 62 + 34 by rounding each number to the nearest 10: ______
- Estimate 38 − 29 by rounding each number to the nearest 10: ______
- Estimate 46 − 52 by rounding each number to the nearest 10: ______
- Estimate 60 + 35 by rounding each number to the nearest 10: ______
- Estimate 62 + 71 by rounding each number to the nearest 10: ______
- Estimate 83 + 34 by rounding each number to the nearest 10: ______
- Estimate 73 + 76 by rounding each number to the nearest 10: ______
- Estimate 22 + 76 by rounding each number to the nearest 10: ______
- Estimate 35 + 46 by rounding each number to the nearest 10: ______
- Estimate 23 − 66 by rounding each number to the nearest 10: ______
- Estimate 75 − 81 by rounding each number to the nearest 10: ______
- Estimate 40 + 38 by rounding each number to the nearest 10: ______