Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 + 61 by rounding each number to the nearest 10: ______
- Estimate 41 + 31 by rounding each number to the nearest 10: ______
- Estimate 65 − 32 by rounding each number to the nearest 10: ______
- Estimate 86 − 76 by rounding each number to the nearest 10: ______
- Estimate 26 + 30 by rounding each number to the nearest 10: ______
- Estimate 31 − 30 by rounding each number to the nearest 10: ______
- Estimate 75 − 24 by rounding each number to the nearest 10: ______
- Estimate 61 − 58 by rounding each number to the nearest 10: ______
- Estimate 36 − 67 by rounding each number to the nearest 10: ______
- Estimate 52 − 54 by rounding each number to the nearest 10: ______
- Estimate 54 + 47 by rounding each number to the nearest 10: ______
- Estimate 26 + 87 by rounding each number to the nearest 10: ______
- Estimate 60 + 85 by rounding each number to the nearest 10: ______
- Estimate 67 + 51 by rounding each number to the nearest 10: ______
- Estimate 52 − 56 by rounding each number to the nearest 10: ______
- Estimate 28 + 89 by rounding each number to the nearest 10: ______
- Estimate 31 + 43 by rounding each number to the nearest 10: ______
- Estimate 24 − 70 by rounding each number to the nearest 10: ______
- Estimate 43 − 22 by rounding each number to the nearest 10: ______
- Estimate 68 + 69 by rounding each number to the nearest 10: ______