In the NUMB3RS episode "Obsession," pop star Skylar Wyatt is being stalked in her home by an intruder. Oddly, none of her home's security cameras pick up an image of the stalker. This leads Charlie to consider the placement of the home's cameras as it relates to Chvatal's Art Gallery Theorem.
Before the Activity
Download the attached PDF and look over the Teacher Page.
Download the attached Activity Center files for use during the lesson.
During the Activity
Discuss the materials from the Student Page with your class.
After the Activity
Encourage students to explore web sites and questions from the Extensions page.