Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 − 34 by rounding each number to the nearest 10: ______
- Estimate 52 − 36 by rounding each number to the nearest 10: ______
- Estimate 31 + 57 by rounding each number to the nearest 10: ______
- Estimate 71 + 55 by rounding each number to the nearest 10: ______
- Estimate 65 + 41 by rounding each number to the nearest 10: ______
- Estimate 45 − 47 by rounding each number to the nearest 10: ______
- Estimate 85 + 37 by rounding each number to the nearest 10: ______
- Estimate 45 + 31 by rounding each number to the nearest 10: ______
- Estimate 28 + 30 by rounding each number to the nearest 10: ______
- Estimate 85 + 75 by rounding each number to the nearest 10: ______
- Estimate 25 + 30 by rounding each number to the nearest 10: ______
- Estimate 33 + 32 by rounding each number to the nearest 10: ______
- Estimate 31 − 49 by rounding each number to the nearest 10: ______
- Estimate 35 − 54 by rounding each number to the nearest 10: ______
- Estimate 24 + 26 by rounding each number to the nearest 10: ______
- Estimate 27 + 83 by rounding each number to the nearest 10: ______
- Estimate 87 + 71 by rounding each number to the nearest 10: ______
- Estimate 32 + 63 by rounding each number to the nearest 10: ______
- Estimate 27 − 39 by rounding each number to the nearest 10: ______
- Estimate 85 − 21 by rounding each number to the nearest 10: ______