Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 + 74 by rounding each number to the nearest 10: ______
- Estimate 51 − 41 by rounding each number to the nearest 10: ______
- Estimate 54 + 43 by rounding each number to the nearest 10: ______
- Estimate 32 − 66 by rounding each number to the nearest 10: ______
- Estimate 21 − 61 by rounding each number to the nearest 10: ______
- Estimate 84 + 49 by rounding each number to the nearest 10: ______
- Estimate 25 + 35 by rounding each number to the nearest 10: ______
- Estimate 64 − 67 by rounding each number to the nearest 10: ______
- Estimate 29 + 47 by rounding each number to the nearest 10: ______
- Estimate 21 + 40 by rounding each number to the nearest 10: ______
- Estimate 87 + 28 by rounding each number to the nearest 10: ______
- Estimate 53 + 27 by rounding each number to the nearest 10: ______
- Estimate 31 + 78 by rounding each number to the nearest 10: ______
- Estimate 57 − 50 by rounding each number to the nearest 10: ______
- Estimate 21 − 72 by rounding each number to the nearest 10: ______
- Estimate 41 + 73 by rounding each number to the nearest 10: ______
- Estimate 50 − 85 by rounding each number to the nearest 10: ______
- Estimate 23 + 38 by rounding each number to the nearest 10: ______
- Estimate 31 + 70 by rounding each number to the nearest 10: ______
- Estimate 23 + 35 by rounding each number to the nearest 10: ______