A poster outlining the angle sum of a triangle.
Display this poster when learning about the angle sum of triangles.
Use in conjunction with
Common Core Curriculum alignment
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. For example, arrange thre...
We create premium quality, downloadable teaching resources for primary/elementary school teachers that make classrooms buzz!
Request a change
You must be logged in to request a change. Sign up now!
Report an Error
You must be logged in to report an error. Sign up now!