Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 + 64 by rounding each number to the nearest 10: ______
- Estimate 85 − 37 by rounding each number to the nearest 10: ______
- Estimate 39 − 82 by rounding each number to the nearest 10: ______
- Estimate 56 + 34 by rounding each number to the nearest 10: ______
- Estimate 38 − 38 by rounding each number to the nearest 10: ______
- Estimate 80 + 64 by rounding each number to the nearest 10: ______
- Estimate 80 − 45 by rounding each number to the nearest 10: ______
- Estimate 77 + 60 by rounding each number to the nearest 10: ______
- Estimate 41 − 66 by rounding each number to the nearest 10: ______
- Estimate 24 + 72 by rounding each number to the nearest 10: ______
- Estimate 43 + 78 by rounding each number to the nearest 10: ______
- Estimate 33 + 56 by rounding each number to the nearest 10: ______
- Estimate 30 + 43 by rounding each number to the nearest 10: ______
- Estimate 42 + 84 by rounding each number to the nearest 10: ______
- Estimate 43 − 37 by rounding each number to the nearest 10: ______
- Estimate 75 + 75 by rounding each number to the nearest 10: ______
- Estimate 22 − 48 by rounding each number to the nearest 10: ______
- Estimate 75 − 73 by rounding each number to the nearest 10: ______
- Estimate 54 + 74 by rounding each number to the nearest 10: ______
- Estimate 70 − 25 by rounding each number to the nearest 10: ______