The new Holt McDougal Mathematics for middle school provides complete and comprehensive coverage of the Common Core State Standards with content and standards of mathematical practices documented throughout every lesson. The unique integrated assessment and intervention features, Are You Ready and Ready To Go On, demonstrate if the students have the prerequisite depth of knowledge to proceed with the chapter content. In order to be a good problem solver, students need a good problem-solving process. The process used in this book is: understand the problem, make a plan, solve, look back. - Publisher.