Book excerpt: If Students Need to Know It, It's in This Book This book develops the math skills of eighth graders. It fosters skill mastery that helps them succeed both in school and on the Massachusetts Comprehensive Assessment System (MCAS). Why The Princeton Review? We have more than 20 years of experience helping students master the skills needed to excel on standardized tests. Each year we help more than 2 million students score higher and earn better grades. We Know the Massachusetts Comprehensive Assessment System Our experts at The Princeton Review have analyzed the MCAS, and this book provides the most up-to-date, thoroughly researched information possible. We break down the test into its individual skills to familiarize students with the test's structure while increasing their overall skill level. We Get Results We know what it takes to succeed in the classroom and on tests. This book includes strategies that are proven to improve student performance. We provide - content review based on Massachusetts standards and objectives - detailed lessons, complete with skill-specific activities - 2 complete practice MCAS math tests.