Lesson plan

Recognize ratios as multiplicative relationships between two quantities by examining a real world example

teaches Common Core State Standards 6.RP.A.1 http://corestandards.org/Math/Content/6/RP/A/1
teaches Common Core State Standards MP4 http://corestandards.org/Math/Practice/MP4
teaches Common Core State Standards MP7 http://corestandards.org/Math/Practice/MP7