Education Technology


NUMB3RS - Season 3 - "The Janus List" - Pile It On

Activity Overview

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.