Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 + 81 by rounding each number to the nearest 10: ______
- Estimate 74 − 28 by rounding each number to the nearest 10: ______
- Estimate 76 − 53 by rounding each number to the nearest 10: ______
- Estimate 71 − 21 by rounding each number to the nearest 10: ______
- Estimate 40 − 50 by rounding each number to the nearest 10: ______
- Estimate 60 − 67 by rounding each number to the nearest 10: ______
- Estimate 62 − 50 by rounding each number to the nearest 10: ______
- Estimate 25 + 83 by rounding each number to the nearest 10: ______
- Estimate 88 + 58 by rounding each number to the nearest 10: ______
- Estimate 37 + 28 by rounding each number to the nearest 10: ______
- Estimate 87 − 53 by rounding each number to the nearest 10: ______
- Estimate 61 − 49 by rounding each number to the nearest 10: ______
- Estimate 25 + 89 by rounding each number to the nearest 10: ______
- Estimate 46 + 68 by rounding each number to the nearest 10: ______
- Estimate 29 − 81 by rounding each number to the nearest 10: ______
- Estimate 35 + 40 by rounding each number to the nearest 10: ______
- Estimate 76 + 25 by rounding each number to the nearest 10: ______
- Estimate 56 − 80 by rounding each number to the nearest 10: ______
- Estimate 36 + 46 by rounding each number to the nearest 10: ______
- Estimate 82 + 67 by rounding each number to the nearest 10: ______