1. Lesson Topic: From Ratios to Rates & From Rates to Ratios Lesson Objective: I can… Recognize that they can associate a ratio of two quantities. Identify the associated ratios. Identify the unit rate and the rate unit. Given a rate, find ratios associated with the rate.

2. Vocabulary Rate: A ratio of two quantities Unit Rate: The numerical part of the rate, written as the value of the ratio Rate Unit: The description of the rate, for example miles/hour (read as “miles per hour”)

3. From Ratios to Rates: Example Diet cola was on sale last week; it cost $10 for every 4 packs of diet cola. Make a table. a.How much do 2 packs of cola cost? (Include on table) b.How much does 1 pack of diet cola cost? (Include on table) c. What is the rate? d. What is the unit rate? e. What is the rate unit?

4. From Rates to Ratios: Example 1 The ratio of miles to hours is 434 to 7. a.What’s the associated rate? The ratio of laps to minutes is 5 to 4. a.What’s the unit rate? b.What’s the associated rate? The rate is 6 ft/sec. a.What is the associated ratio? b.What is the unit rate?

5. From Rates to Ratios: Example 2

6. Lesson Summary…