Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 − 82 by rounding each number to the nearest 10: ______
- Estimate 55 − 33 by rounding each number to the nearest 10: ______
- Estimate 21 − 81 by rounding each number to the nearest 10: ______
- Estimate 89 − 87 by rounding each number to the nearest 10: ______
- Estimate 83 − 64 by rounding each number to the nearest 10: ______
- Estimate 88 + 39 by rounding each number to the nearest 10: ______
- Estimate 54 + 36 by rounding each number to the nearest 10: ______
- Estimate 40 − 52 by rounding each number to the nearest 10: ______
- Estimate 54 − 71 by rounding each number to the nearest 10: ______
- Estimate 42 + 56 by rounding each number to the nearest 10: ______
- Estimate 63 + 45 by rounding each number to the nearest 10: ______
- Estimate 66 + 30 by rounding each number to the nearest 10: ______
- Estimate 64 − 26 by rounding each number to the nearest 10: ______
- Estimate 27 + 81 by rounding each number to the nearest 10: ______
- Estimate 75 + 27 by rounding each number to the nearest 10: ______
- Estimate 24 + 76 by rounding each number to the nearest 10: ______
- Estimate 49 − 81 by rounding each number to the nearest 10: ______
- Estimate 46 − 34 by rounding each number to the nearest 10: ______
- Estimate 49 + 46 by rounding each number to the nearest 10: ______
- Estimate 78 − 30 by rounding each number to the nearest 10: ______