Welcome to the Companion Website

“Your Mathematics Standards Companion, High School: What They Mean and How to Teach Them completes the set of books designed to support classroom teachers in implementing College and Career Ready Standards for K–12.  You will find an overview of both the content and practice standards as well as a detailed explanation of each standard including examples of classroom practice. As you use this book to help in planning and building your mathematics program, it truly will become your planning companion!”

—Linda M. Gojak, Past President, National Council of Teachers of Mathematics, Willowick, OH