"Parallel Curriculum Units for Mathematics, Grades 6-12 combines four essential models for improving student understanding and growth in mathematics. The lessons provided in the textbook build on students’ abilities, so they can see all parts of a math problem and are able to tackle and understand it at various levels."-Elizabeth Alvarez, Assistant Principal John C. Dore Elementary, Chicago, ILMaximize your mathematics curriculum to challenge all students This collection of lessons, building on material presented in the best-selling The Parallel Curriculum, is written by experienced teachers who provide innovative and challenging learning opportunities for students in Grades 6-12. The four sample units focus on fractions, linear programming, geometry, and quadratic relationships. The authors provide user-friendly methods for creating high-quality lessons and demonstrate how to differentiate these lessons for the benefit of all students. Included are field-tested and standards-based strategies that guide students through: Understanding secondary-level mathematics concepts Discovering connections between mathematics and other subjects Developing critical thinking skills Connecting mathematics learning to society through the study of real-world data, proportional reasoning, and problem solving Each unit includes subject matter background, a content framework, study components, teacher reflections, and sample lessons. Learn from the experts and enhance your mathematics curriculum with these proven strategies.