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

Get an angle on triangles with a geometry practice sheet! Find the missing angles in these triangles by solving for x.

pizzazz puzzles on triangle sum and exterior angles theorem

Parallel lines and angles formed by transversal lines Triangle Angles - interior and exterior 2 versions with similar problems (some overlap)

Right Triangle - Angles of Elevation & Depression Interactive Notebook Pages In this fantastic set of Interactive Notebook Pages you will find two separate pages - one on angles of elevation and one on angles of depression.

Parallel lines and angles formed by transversal lines Triangle Angles - interior and exterior 2 versions with similar problems (some overlap)

Properties of Triangles Choice Board. Can be used as homework, review, or assessment. Choice Boards are great ways to differentiate to student needs. Topics include: classifying triangles by sides and angles, Triangle Inequality Theorem, Triangle Angle Sum Theorem, Drawing triangles given side lengths/angle measurements.

Do your students have trouble knowing which leg is the opposite leg or which one is the adjacent leg with respect to an angle in a right triangle? One of the first lessons when learning trig ratios is to find these sides. This game was created to help students get practice finding those sides in a fun way.