Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 + 71 by rounding each number to the nearest 10: ______
- Estimate 34 + 30 by rounding each number to the nearest 10: ______
- Estimate 81 − 87 by rounding each number to the nearest 10: ______
- Estimate 48 − 42 by rounding each number to the nearest 10: ______
- Estimate 41 − 49 by rounding each number to the nearest 10: ______
- Estimate 75 + 66 by rounding each number to the nearest 10: ______
- Estimate 85 − 27 by rounding each number to the nearest 10: ______
- Estimate 41 + 79 by rounding each number to the nearest 10: ______
- Estimate 36 + 25 by rounding each number to the nearest 10: ______
- Estimate 57 − 35 by rounding each number to the nearest 10: ______
- Estimate 76 − 40 by rounding each number to the nearest 10: ______
- Estimate 81 + 39 by rounding each number to the nearest 10: ______
- Estimate 68 − 41 by rounding each number to the nearest 10: ______
- Estimate 74 − 82 by rounding each number to the nearest 10: ______
- Estimate 52 − 29 by rounding each number to the nearest 10: ______
- Estimate 37 − 40 by rounding each number to the nearest 10: ______
- Estimate 88 − 68 by rounding each number to the nearest 10: ______
- Estimate 74 + 85 by rounding each number to the nearest 10: ______
- Estimate 78 + 76 by rounding each number to the nearest 10: ______
- Estimate 89 − 26 by rounding each number to the nearest 10: ______