Judith A. Muschla taught mathematics in South River, New Jersey, for over twenty-five years. Along with teaching and writing, she has been a member of the State Standards Review Panel for the Mathematics Core Curriculum Content Standards in New Jersey. Gary Robert Muschla taught at Appleby School in Spotswood, New Jersey, for more than twenty-five years. His specialties include mathematics at the middle school level, reading, and writing. Judith and Gary have coauthored several very successful math activity books, including The Algebra Teacher's Activities Kit, Hands-On Math Projects with Real-Life Applications, and The Math Teacher's Book of Lists. Erin Muschla-Berry teaches eighth grade math at Monroe Township Middle School in Monroe, New Jersey, and has collaborated with Judith and Gary on four previous math books, including Teaching the Common Core Math Standards with Hands-On Activities, Grades 6-8.