Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 − 54 by rounding each number to the nearest 10: ______
- Estimate 30 + 71 by rounding each number to the nearest 10: ______
- Estimate 81 − 26 by rounding each number to the nearest 10: ______
- Estimate 35 + 23 by rounding each number to the nearest 10: ______
- Estimate 88 + 21 by rounding each number to the nearest 10: ______
- Estimate 23 − 60 by rounding each number to the nearest 10: ______
- Estimate 87 − 88 by rounding each number to the nearest 10: ______
- Estimate 36 − 74 by rounding each number to the nearest 10: ______
- Estimate 49 + 64 by rounding each number to the nearest 10: ______
- Estimate 31 + 24 by rounding each number to the nearest 10: ______
- Estimate 61 + 64 by rounding each number to the nearest 10: ______
- Estimate 60 − 56 by rounding each number to the nearest 10: ______
- Estimate 42 − 55 by rounding each number to the nearest 10: ______
- Estimate 54 + 66 by rounding each number to the nearest 10: ______
- Estimate 87 + 32 by rounding each number to the nearest 10: ______
- Estimate 70 − 23 by rounding each number to the nearest 10: ______
- Estimate 54 − 29 by rounding each number to the nearest 10: ______
- Estimate 37 − 32 by rounding each number to the nearest 10: ______
- Estimate 84 − 73 by rounding each number to the nearest 10: ______
- Estimate 82 + 82 by rounding each number to the nearest 10: ______