Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 + 79 by rounding each number to the nearest 10: ______
- Estimate 38 + 21 by rounding each number to the nearest 10: ______
- Estimate 41 + 82 by rounding each number to the nearest 10: ______
- Estimate 58 + 23 by rounding each number to the nearest 10: ______
- Estimate 29 + 78 by rounding each number to the nearest 10: ______
- Estimate 55 + 82 by rounding each number to the nearest 10: ______
- Estimate 33 + 46 by rounding each number to the nearest 10: ______
- Estimate 72 + 60 by rounding each number to the nearest 10: ______
- Estimate 69 + 28 by rounding each number to the nearest 10: ______
- Estimate 60 − 22 by rounding each number to the nearest 10: ______
- Estimate 72 − 70 by rounding each number to the nearest 10: ______
- Estimate 63 − 21 by rounding each number to the nearest 10: ______
- Estimate 51 + 47 by rounding each number to the nearest 10: ______
- Estimate 79 − 59 by rounding each number to the nearest 10: ______
- Estimate 70 − 33 by rounding each number to the nearest 10: ______
- Estimate 76 + 44 by rounding each number to the nearest 10: ______
- Estimate 72 − 81 by rounding each number to the nearest 10: ______
- Estimate 56 + 85 by rounding each number to the nearest 10: ______
- Estimate 22 + 61 by rounding each number to the nearest 10: ______
- Estimate 23 + 82 by rounding each number to the nearest 10: ______