Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 − 45 by rounding each number to the nearest 10: ______
- Estimate 65 − 89 by rounding each number to the nearest 10: ______
- Estimate 78 − 46 by rounding each number to the nearest 10: ______
- Estimate 83 + 65 by rounding each number to the nearest 10: ______
- Estimate 61 + 35 by rounding each number to the nearest 10: ______
- Estimate 31 − 85 by rounding each number to the nearest 10: ______
- Estimate 37 + 45 by rounding each number to the nearest 10: ______
- Estimate 23 − 41 by rounding each number to the nearest 10: ______
- Estimate 79 − 76 by rounding each number to the nearest 10: ______
- Estimate 80 + 87 by rounding each number to the nearest 10: ______
- Estimate 56 + 83 by rounding each number to the nearest 10: ______
- Estimate 22 − 79 by rounding each number to the nearest 10: ______
- Estimate 25 − 84 by rounding each number to the nearest 10: ______
- Estimate 87 + 60 by rounding each number to the nearest 10: ______
- Estimate 78 − 75 by rounding each number to the nearest 10: ______
- Estimate 86 − 57 by rounding each number to the nearest 10: ______
- Estimate 88 − 68 by rounding each number to the nearest 10: ______
- Estimate 58 − 51 by rounding each number to the nearest 10: ______
- Estimate 34 + 85 by rounding each number to the nearest 10: ______
- Estimate 84 + 59 by rounding each number to the nearest 10: ______