The 100+ Series, Pre-Algebra, offers in-depth practice and review for challenging middle school math topics such as ratios and proportions; rational numbers; and expressions and equations. Bonus activities on each page help extend the learning and activities, making these books perfect for daily review. Common Core State Standards have raised expectations for math learning, and many students in grades 6�8 are studying more accelerated math at younger ages. The 100+ Series provides the solution with titles that include over 100 targeted practice activities for learning algebra, geometry, and other advanced math topics. It also features over 100 reproducible, subject specific, practice pages to support standards-based instruction.