Lesson plan

Lesson 6: Subtracting Rational Numbers

teaches Common Core State Standards 7.NS.A.1 http://corestandards.org/Math/Content/7/NS/A/1
teaches Common Core State Standards 7.NS.A.1.c http://corestandards.org/Math/Content/7/NS/A/1/c
teaches Common Core State Standards MP7 http://corestandards.org/Math/Practice/MP7
teaches Common Core State Standards MP8 http://corestandards.org/Math/Practice/MP8