Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 + 47 by rounding each number to the nearest 10: ______
- Estimate 82 − 31 by rounding each number to the nearest 10: ______
- Estimate 83 + 25 by rounding each number to the nearest 10: ______
- Estimate 55 + 61 by rounding each number to the nearest 10: ______
- Estimate 71 − 83 by rounding each number to the nearest 10: ______
- Estimate 87 − 84 by rounding each number to the nearest 10: ______
- Estimate 28 − 87 by rounding each number to the nearest 10: ______
- Estimate 81 − 23 by rounding each number to the nearest 10: ______
- Estimate 46 + 31 by rounding each number to the nearest 10: ______
- Estimate 63 + 80 by rounding each number to the nearest 10: ______
- Estimate 65 − 81 by rounding each number to the nearest 10: ______
- Estimate 74 − 70 by rounding each number to the nearest 10: ______
- Estimate 40 − 80 by rounding each number to the nearest 10: ______
- Estimate 21 + 32 by rounding each number to the nearest 10: ______
- Estimate 36 − 66 by rounding each number to the nearest 10: ______
- Estimate 36 − 70 by rounding each number to the nearest 10: ______
- Estimate 82 − 34 by rounding each number to the nearest 10: ______
- Estimate 42 − 73 by rounding each number to the nearest 10: ______
- Estimate 40 + 37 by rounding each number to the nearest 10: ______
- Estimate 64 + 45 by rounding each number to the nearest 10: ______