Book excerpt: Nearly half of adults, including parents of middle-school students, have never heard of the Common Core State Standards, let alone have a working knowledge of what exactly their children face when it comes to middle-school math. Even teachers acknowledge struggling with how best to teach their students these math standards. CliffsNotes comes to the rescue with this Grade 7 Common Core Math Review. Aligned to the state standards, this book provides essential coverage of the Grade 7 CCSS math that's challenging middle-school students, teachers, and parents alike. The material covers all of the math standards that comprise Grade 7 CCSS math: • Ratios and proportional relationships • The number system • Geometry • Expressions and equations • Statistics and probability Two practice tests round out the book, plus every review chapter includes example problems.