Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 − 78 by rounding each number to the nearest 10: ______
- Estimate 87 + 86 by rounding each number to the nearest 10: ______
- Estimate 74 − 83 by rounding each number to the nearest 10: ______
- Estimate 51 + 83 by rounding each number to the nearest 10: ______
- Estimate 59 + 61 by rounding each number to the nearest 10: ______
- Estimate 72 − 25 by rounding each number to the nearest 10: ______
- Estimate 86 + 50 by rounding each number to the nearest 10: ______
- Estimate 79 − 78 by rounding each number to the nearest 10: ______
- Estimate 68 − 57 by rounding each number to the nearest 10: ______
- Estimate 87 + 46 by rounding each number to the nearest 10: ______
- Estimate 58 − 36 by rounding each number to the nearest 10: ______
- Estimate 67 − 24 by rounding each number to the nearest 10: ______
- Estimate 36 + 23 by rounding each number to the nearest 10: ______
- Estimate 72 + 66 by rounding each number to the nearest 10: ______
- Estimate 31 + 70 by rounding each number to the nearest 10: ______
- Estimate 80 + 89 by rounding each number to the nearest 10: ______
- Estimate 76 − 67 by rounding each number to the nearest 10: ______
- Estimate 83 − 53 by rounding each number to the nearest 10: ______
- Estimate 44 − 61 by rounding each number to the nearest 10: ______
- Estimate 69 − 29 by rounding each number to the nearest 10: ______