These practical, research-based guides help teachers understand how decisions to differentiate math instruction are made and how to use pre-assessment data to inform their instruction. Each book in this three-part series contains a wealth of activities targeted at its particular K-2, 3-5, or 6-8 grade span. Embrace the diverse spectrum of abilities, interests, and learning styles among students with this powerful series. Each book includes practical, research-based guidance to differentiating instruction for mathematics and dozens of ready-to-use differentiated tasks (including reproducibles). Discover ways to scaffold mathematical learning; strategies for providing and structuring choice within classrooms; and guidance in leading large-group discussions. Books include lessons that align with NCTM's Principles and Standards for School Mathematics and Curriculum Focal Points.