Hands on way for students to discover the sum of a triangles angles are

By the end of the activity student should be able to identify what type of triangle each triangle is based on prior knowledge.

This is a coloring activity for a set of 12 problems on the exterior angle sum theorem. The exterior angle is equal to the sum of the two remote interior angles. Problems 1 - 6 are easy and problems 7 - 12 are challenging where algebra is reinforced.

Goemetry- Working with lines and math vocabulary like perpendicular, parallel, acute, obtuse, and right.