In "The Janus List," a bomber threatens to blow up a bridge. The bomber calls Charlie and asks him a series of questions that involve a number of mathematical topics. One of the topics is the classic 'Wheat and Chessboard' problem.
Students will explore exponential expressions by studying the 'Wheat and Checkerboard' problem.
Before the Activity
Download the attached PDF and look over the Teacher Page.
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.