Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 34 + 42 by rounding each number to the nearest 10: ______
- Estimate 84 + 57 by rounding each number to the nearest 10: ______
- Estimate 25 + 87 by rounding each number to the nearest 10: ______
- Estimate 78 + 85 by rounding each number to the nearest 10: ______
- Estimate 23 − 68 by rounding each number to the nearest 10: ______
- Estimate 39 + 25 by rounding each number to the nearest 10: ______
- Estimate 34 − 40 by rounding each number to the nearest 10: ______
- Estimate 48 + 82 by rounding each number to the nearest 10: ______
- Estimate 71 − 52 by rounding each number to the nearest 10: ______
- Estimate 42 + 72 by rounding each number to the nearest 10: ______
- Estimate 45 + 47 by rounding each number to the nearest 10: ______
- Estimate 61 − 89 by rounding each number to the nearest 10: ______
- Estimate 63 − 60 by rounding each number to the nearest 10: ______
- Estimate 56 + 51 by rounding each number to the nearest 10: ______
- Estimate 63 − 43 by rounding each number to the nearest 10: ______
- Estimate 43 + 56 by rounding each number to the nearest 10: ______
- Estimate 50 − 85 by rounding each number to the nearest 10: ______
- Estimate 48 − 80 by rounding each number to the nearest 10: ______
- Estimate 69 + 47 by rounding each number to the nearest 10: ______
- Estimate 22 − 24 by rounding each number to the nearest 10: ______