Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 + 33 by rounding each number to the nearest 10: ______
- Estimate 62 + 63 by rounding each number to the nearest 10: ______
- Estimate 81 − 39 by rounding each number to the nearest 10: ______
- Estimate 86 + 61 by rounding each number to the nearest 10: ______
- Estimate 66 + 46 by rounding each number to the nearest 10: ______
- Estimate 55 + 61 by rounding each number to the nearest 10: ______
- Estimate 89 + 87 by rounding each number to the nearest 10: ______
- Estimate 78 − 56 by rounding each number to the nearest 10: ______
- Estimate 30 + 22 by rounding each number to the nearest 10: ______
- Estimate 30 + 88 by rounding each number to the nearest 10: ______
- Estimate 75 − 27 by rounding each number to the nearest 10: ______
- Estimate 83 + 43 by rounding each number to the nearest 10: ______
- Estimate 70 − 38 by rounding each number to the nearest 10: ______
- Estimate 83 + 47 by rounding each number to the nearest 10: ______
- Estimate 64 − 36 by rounding each number to the nearest 10: ______
- Estimate 47 + 78 by rounding each number to the nearest 10: ______
- Estimate 53 − 51 by rounding each number to the nearest 10: ______
- Estimate 83 + 87 by rounding each number to the nearest 10: ______
- Estimate 83 − 43 by rounding each number to the nearest 10: ______
- Estimate 86 − 34 by rounding each number to the nearest 10: ______