Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 − 68 by rounding each number to the nearest 10: ______
- Estimate 71 + 44 by rounding each number to the nearest 10: ______
- Estimate 54 − 84 by rounding each number to the nearest 10: ______
- Estimate 47 − 48 by rounding each number to the nearest 10: ______
- Estimate 39 + 71 by rounding each number to the nearest 10: ______
- Estimate 25 + 73 by rounding each number to the nearest 10: ______
- Estimate 41 + 33 by rounding each number to the nearest 10: ______
- Estimate 66 + 60 by rounding each number to the nearest 10: ______
- Estimate 84 + 34 by rounding each number to the nearest 10: ______
- Estimate 39 + 87 by rounding each number to the nearest 10: ______
- Estimate 69 − 56 by rounding each number to the nearest 10: ______
- Estimate 42 − 21 by rounding each number to the nearest 10: ______
- Estimate 49 + 82 by rounding each number to the nearest 10: ______
- Estimate 70 + 22 by rounding each number to the nearest 10: ______
- Estimate 41 − 34 by rounding each number to the nearest 10: ______
- Estimate 82 + 76 by rounding each number to the nearest 10: ______
- Estimate 65 + 27 by rounding each number to the nearest 10: ______
- Estimate 84 + 61 by rounding each number to the nearest 10: ______
- Estimate 28 + 26 by rounding each number to the nearest 10: ______
- Estimate 87 − 78 by rounding each number to the nearest 10: ______