Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 + 21 by rounding each number to the nearest 10: ______
- Estimate 23 + 73 by rounding each number to the nearest 10: ______
- Estimate 87 + 40 by rounding each number to the nearest 10: ______
- Estimate 34 − 44 by rounding each number to the nearest 10: ______
- Estimate 30 + 70 by rounding each number to the nearest 10: ______
- Estimate 36 − 59 by rounding each number to the nearest 10: ______
- Estimate 48 + 72 by rounding each number to the nearest 10: ______
- Estimate 43 + 82 by rounding each number to the nearest 10: ______
- Estimate 72 − 35 by rounding each number to the nearest 10: ______
- Estimate 30 − 81 by rounding each number to the nearest 10: ______
- Estimate 59 − 46 by rounding each number to the nearest 10: ______
- Estimate 88 − 68 by rounding each number to the nearest 10: ______
- Estimate 38 + 82 by rounding each number to the nearest 10: ______
- Estimate 56 + 28 by rounding each number to the nearest 10: ______
- Estimate 44 + 73 by rounding each number to the nearest 10: ______
- Estimate 86 + 23 by rounding each number to the nearest 10: ______
- Estimate 34 + 66 by rounding each number to the nearest 10: ______
- Estimate 84 + 87 by rounding each number to the nearest 10: ______
- Estimate 63 − 86 by rounding each number to the nearest 10: ______
- Estimate 53 + 42 by rounding each number to the nearest 10: ______