Lesson plan

Show that the order of the factors does not change the product by multiplying side lengths to find the area of a rectangle

teaches Common Core State Standards 3.MD.C.7.a http://corestandards.org/Math/Content/3/MD/C/7/a
teaches Common Core State Standards 3.OA.B.5 http://corestandards.org/Math/Content/3/OA/B/5
teaches Common Core State Standards MP7 http://corestandards.org/Math/Practice/MP7
teaches Common Core State Standards MP8 http://corestandards.org/Math/Practice/MP8

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