Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 − 22 by rounding each number to the nearest 10: ______
- Estimate 24 − 27 by rounding each number to the nearest 10: ______
- Estimate 22 − 59 by rounding each number to the nearest 10: ______
- Estimate 45 − 61 by rounding each number to the nearest 10: ______
- Estimate 21 + 35 by rounding each number to the nearest 10: ______
- Estimate 64 − 35 by rounding each number to the nearest 10: ______
- Estimate 75 − 35 by rounding each number to the nearest 10: ______
- Estimate 80 + 66 by rounding each number to the nearest 10: ______
- Estimate 26 − 30 by rounding each number to the nearest 10: ______
- Estimate 24 − 78 by rounding each number to the nearest 10: ______
- Estimate 42 + 70 by rounding each number to the nearest 10: ______
- Estimate 39 − 30 by rounding each number to the nearest 10: ______
- Estimate 58 − 81 by rounding each number to the nearest 10: ______
- Estimate 35 − 67 by rounding each number to the nearest 10: ______
- Estimate 60 + 28 by rounding each number to the nearest 10: ______
- Estimate 55 − 84 by rounding each number to the nearest 10: ______
- Estimate 64 − 83 by rounding each number to the nearest 10: ______
- Estimate 78 + 63 by rounding each number to the nearest 10: ______
- Estimate 71 + 69 by rounding each number to the nearest 10: ______
- Estimate 69 + 58 by rounding each number to the nearest 10: ______