Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 + 26 by rounding each number to the nearest 10: ______
- Estimate 50 + 69 by rounding each number to the nearest 10: ______
- Estimate 77 − 80 by rounding each number to the nearest 10: ______
- Estimate 75 + 60 by rounding each number to the nearest 10: ______
- Estimate 68 + 52 by rounding each number to the nearest 10: ______
- Estimate 84 + 48 by rounding each number to the nearest 10: ______
- Estimate 34 − 43 by rounding each number to the nearest 10: ______
- Estimate 39 − 49 by rounding each number to the nearest 10: ______
- Estimate 27 − 85 by rounding each number to the nearest 10: ______
- Estimate 41 − 27 by rounding each number to the nearest 10: ______
- Estimate 86 − 45 by rounding each number to the nearest 10: ______
- Estimate 77 + 22 by rounding each number to the nearest 10: ______
- Estimate 39 + 60 by rounding each number to the nearest 10: ______
- Estimate 72 + 61 by rounding each number to the nearest 10: ______
- Estimate 31 + 65 by rounding each number to the nearest 10: ______
- Estimate 30 + 46 by rounding each number to the nearest 10: ______
- Estimate 34 + 21 by rounding each number to the nearest 10: ______
- Estimate 45 − 63 by rounding each number to the nearest 10: ______
- Estimate 69 − 36 by rounding each number to the nearest 10: ______
- Estimate 48 + 75 by rounding each number to the nearest 10: ______