Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 − 76 by rounding each number to the nearest 10: ______
- Estimate 38 − 74 by rounding each number to the nearest 10: ______
- Estimate 74 − 56 by rounding each number to the nearest 10: ______
- Estimate 45 + 60 by rounding each number to the nearest 10: ______
- Estimate 87 + 76 by rounding each number to the nearest 10: ______
- Estimate 22 − 73 by rounding each number to the nearest 10: ______
- Estimate 36 − 75 by rounding each number to the nearest 10: ______
- Estimate 57 − 38 by rounding each number to the nearest 10: ______
- Estimate 74 − 64 by rounding each number to the nearest 10: ______
- Estimate 38 + 77 by rounding each number to the nearest 10: ______
- Estimate 27 + 43 by rounding each number to the nearest 10: ______
- Estimate 28 + 49 by rounding each number to the nearest 10: ______
- Estimate 31 + 50 by rounding each number to the nearest 10: ______
- Estimate 35 + 66 by rounding each number to the nearest 10: ______
- Estimate 61 + 33 by rounding each number to the nearest 10: ______
- Estimate 54 − 39 by rounding each number to the nearest 10: ______
- Estimate 31 + 43 by rounding each number to the nearest 10: ______
- Estimate 87 + 23 by rounding each number to the nearest 10: ______
- Estimate 43 − 38 by rounding each number to the nearest 10: ______
- Estimate 30 − 21 by rounding each number to the nearest 10: ______