Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 + 23 by rounding each number to the nearest 10: ______
- Estimate 35 − 36 by rounding each number to the nearest 10: ______
- Estimate 39 − 38 by rounding each number to the nearest 10: ______
- Estimate 28 + 24 by rounding each number to the nearest 10: ______
- Estimate 70 − 23 by rounding each number to the nearest 10: ______
- Estimate 45 + 36 by rounding each number to the nearest 10: ______
- Estimate 22 + 49 by rounding each number to the nearest 10: ______
- Estimate 51 − 40 by rounding each number to the nearest 10: ______
- Estimate 78 − 39 by rounding each number to the nearest 10: ______
- Estimate 57 + 54 by rounding each number to the nearest 10: ______
- Estimate 21 − 45 by rounding each number to the nearest 10: ______
- Estimate 25 − 51 by rounding each number to the nearest 10: ______
- Estimate 28 − 64 by rounding each number to the nearest 10: ______
- Estimate 59 + 80 by rounding each number to the nearest 10: ______
- Estimate 39 − 25 by rounding each number to the nearest 10: ______
- Estimate 44 − 85 by rounding each number to the nearest 10: ______
- Estimate 28 + 51 by rounding each number to the nearest 10: ______
- Estimate 35 − 61 by rounding each number to the nearest 10: ______
- Estimate 51 + 58 by rounding each number to the nearest 10: ______
- Estimate 25 + 67 by rounding each number to the nearest 10: ______