Lesson 11­ Using fractions to find unit rates.notebook
September 27, 2016
Lesson 11: Ratios of Fractions and Their Unit Rates Classwork Example 1: Who is Faster? 1
During their last workout, Izzy ran 2 miles in 15 minutes, and her friend 4
3
Julia ran 3 miles in 25 minutes. Each girl thought she was the faster runner.
4
Based on their last run, which girl is correct? Lesson 11­ Using fractions to find unit rates.notebook
September 27, 2016
Example 2: Is Meredith Correct? 7
A turtle walks of a mile in 50 minutes. What is the unit rate when the turtle's speed is expressed 8
in miles per hour?
a. To find the turtle's unit rate, Meredith wrote the following fraction. Explain how this was obtained. 7
8
5
6
b. Determine the unit rate when the turtle’s speed is expressed in miles per hour. Lesson 11:
Ratios of Fractions and Their Unit Rates
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