Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 + 25 by rounding each number to the nearest 10: ______
- Estimate 83 + 72 by rounding each number to the nearest 10: ______
- Estimate 47 − 46 by rounding each number to the nearest 10: ______
- Estimate 43 + 85 by rounding each number to the nearest 10: ______
- Estimate 57 + 59 by rounding each number to the nearest 10: ______
- Estimate 27 − 32 by rounding each number to the nearest 10: ______
- Estimate 27 + 38 by rounding each number to the nearest 10: ______
- Estimate 87 − 23 by rounding each number to the nearest 10: ______
- Estimate 34 − 61 by rounding each number to the nearest 10: ______
- Estimate 52 − 57 by rounding each number to the nearest 10: ______
- Estimate 27 − 85 by rounding each number to the nearest 10: ______
- Estimate 23 − 30 by rounding each number to the nearest 10: ______
- Estimate 53 + 30 by rounding each number to the nearest 10: ______
- Estimate 30 − 48 by rounding each number to the nearest 10: ______
- Estimate 88 − 29 by rounding each number to the nearest 10: ______
- Estimate 84 + 28 by rounding each number to the nearest 10: ______
- Estimate 40 + 32 by rounding each number to the nearest 10: ______
- Estimate 26 + 34 by rounding each number to the nearest 10: ______
- Estimate 71 + 71 by rounding each number to the nearest 10: ______
- Estimate 45 + 41 by rounding each number to the nearest 10: ______