Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 73 + 38 by rounding each number to the nearest 10: ______
- Estimate 32 + 71 by rounding each number to the nearest 10: ______
- Estimate 70 − 24 by rounding each number to the nearest 10: ______
- Estimate 39 − 66 by rounding each number to the nearest 10: ______
- Estimate 88 − 52 by rounding each number to the nearest 10: ______
- Estimate 23 − 49 by rounding each number to the nearest 10: ______
- Estimate 21 + 73 by rounding each number to the nearest 10: ______
- Estimate 61 + 66 by rounding each number to the nearest 10: ______
- Estimate 89 − 55 by rounding each number to the nearest 10: ______
- Estimate 49 + 23 by rounding each number to the nearest 10: ______
- Estimate 61 + 22 by rounding each number to the nearest 10: ______
- Estimate 39 + 25 by rounding each number to the nearest 10: ______
- Estimate 30 − 60 by rounding each number to the nearest 10: ______
- Estimate 40 − 44 by rounding each number to the nearest 10: ______
- Estimate 35 − 75 by rounding each number to the nearest 10: ______
- Estimate 60 − 31 by rounding each number to the nearest 10: ______
- Estimate 58 + 65 by rounding each number to the nearest 10: ______
- Estimate 42 − 24 by rounding each number to the nearest 10: ______
- Estimate 45 − 82 by rounding each number to the nearest 10: ______
- Estimate 70 + 47 by rounding each number to the nearest 10: ______