Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 + 21 by rounding each number to the nearest 10: ______
- Estimate 79 + 54 by rounding each number to the nearest 10: ______
- Estimate 27 + 63 by rounding each number to the nearest 10: ______
- Estimate 30 + 64 by rounding each number to the nearest 10: ______
- Estimate 78 + 80 by rounding each number to the nearest 10: ______
- Estimate 47 − 30 by rounding each number to the nearest 10: ______
- Estimate 29 + 55 by rounding each number to the nearest 10: ______
- Estimate 32 + 46 by rounding each number to the nearest 10: ______
- Estimate 53 − 82 by rounding each number to the nearest 10: ______
- Estimate 60 − 76 by rounding each number to the nearest 10: ______
- Estimate 47 + 70 by rounding each number to the nearest 10: ______
- Estimate 81 + 84 by rounding each number to the nearest 10: ______
- Estimate 72 + 35 by rounding each number to the nearest 10: ______
- Estimate 59 + 76 by rounding each number to the nearest 10: ______
- Estimate 35 − 22 by rounding each number to the nearest 10: ______
- Estimate 42 − 22 by rounding each number to the nearest 10: ______
- Estimate 40 − 54 by rounding each number to the nearest 10: ______
- Estimate 42 + 63 by rounding each number to the nearest 10: ______
- Estimate 25 + 81 by rounding each number to the nearest 10: ______
- Estimate 86 + 27 by rounding each number to the nearest 10: ______