Geometry review questions in the form of a Jeopardy Game. A fun way to and assess your students knowledge before a unit test. Also a precursor in preparation to reteach concepts that students struggle with. This is an activity you can reuse every year.
For High School Teachers, this could be a form of assessment of prerequisite knowledge needed for HS Math.
Link to similar product: Geometry Powerpoint Presentation: http://www.teacherspayteachers.com/Product/Angles-Lines-and-Polygons-1109457