Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 88 + 64 by rounding each number to the nearest 10: ______
- Estimate 84 − 39 by rounding each number to the nearest 10: ______
- Estimate 31 + 44 by rounding each number to the nearest 10: ______
- Estimate 30 + 21 by rounding each number to the nearest 10: ______
- Estimate 71 − 31 by rounding each number to the nearest 10: ______
- Estimate 71 − 81 by rounding each number to the nearest 10: ______
- Estimate 82 + 81 by rounding each number to the nearest 10: ______
- Estimate 34 + 40 by rounding each number to the nearest 10: ______
- Estimate 40 − 39 by rounding each number to the nearest 10: ______
- Estimate 81 − 39 by rounding each number to the nearest 10: ______
- Estimate 41 + 28 by rounding each number to the nearest 10: ______
- Estimate 59 + 30 by rounding each number to the nearest 10: ______
- Estimate 85 + 54 by rounding each number to the nearest 10: ______
- Estimate 89 + 64 by rounding each number to the nearest 10: ______
- Estimate 31 − 81 by rounding each number to the nearest 10: ______
- Estimate 53 + 31 by rounding each number to the nearest 10: ______
- Estimate 58 − 26 by rounding each number to the nearest 10: ______
- Estimate 31 + 66 by rounding each number to the nearest 10: ______
- Estimate 35 + 63 by rounding each number to the nearest 10: ______
- Estimate 35 − 36 by rounding each number to the nearest 10: ______