Judith A. Muschla has taught mathematics in South River, New Jersey, for over twenty-five years. Gary Robert Muschla taught reading and writing for more than twenty-five years in Spotswood, New Jersey. This is the seventh math resource coauthored by Judith Muschla and Gary Muschla. Their earlier books include: The Math Teacher's Book of Lists, Hands-on Math Projects with Real-Life Applications, Math Starters, The Geometry Teacher's Activities Kit, Math Smart, and Algebra Teacher's Activities Kit, all published by Jossey-Bass.