Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 82 by rounding each number to the nearest 10: ______
- Estimate 82 − 81 by rounding each number to the nearest 10: ______
- Estimate 24 − 32 by rounding each number to the nearest 10: ______
- Estimate 76 − 21 by rounding each number to the nearest 10: ______
- Estimate 71 − 65 by rounding each number to the nearest 10: ______
- Estimate 43 − 27 by rounding each number to the nearest 10: ______
- Estimate 29 − 24 by rounding each number to the nearest 10: ______
- Estimate 51 + 43 by rounding each number to the nearest 10: ______
- Estimate 85 + 50 by rounding each number to the nearest 10: ______
- Estimate 59 + 33 by rounding each number to the nearest 10: ______
- Estimate 46 − 44 by rounding each number to the nearest 10: ______
- Estimate 72 − 63 by rounding each number to the nearest 10: ______
- Estimate 39 + 22 by rounding each number to the nearest 10: ______
- Estimate 32 − 44 by rounding each number to the nearest 10: ______
- Estimate 54 + 23 by rounding each number to the nearest 10: ______
- Estimate 89 − 71 by rounding each number to the nearest 10: ______
- Estimate 35 − 44 by rounding each number to the nearest 10: ______
- Estimate 81 − 56 by rounding each number to the nearest 10: ______
- Estimate 33 − 58 by rounding each number to the nearest 10: ______
- Estimate 54 + 85 by rounding each number to the nearest 10: ______