This purchase includes a PowerPoint, video lesson and video notes on the triangle angle sum theorem. The PowerPoint is designed for whole classroom instruction while the pages may be individually printed as worksheets.
Common Core Alignment
8.G.A.5
Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.
The purchase inclu