Lesson plan

Lesson 5: Using Negative Numbers to Make Sense of Contexts

teaches Common Core State Standards 6.NS.C.5 http://corestandards.org/Math/Content/6/NS/C/5
teaches Common Core State Standards MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards MP4 http://corestandards.org/Math/Practice/MP4