"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, IL Maximize 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.