In this two-book series, teachers will find powerful strategies for adapting mathematical lessons and tasks to address the wide range of abilities, interests, and learning styles of the students in their classrooms. Each book in this research-based series contains a wealth of activities tailored to its particular K-2 or 3-5 grade span. The authors provide numerous differentiated tasks ready for classroom implementation, as well as guidance in managing differentiated lessons and strategies for providing and structuring choice with the classroom. This series is a must-read for teachers, administrators, math coaches, special education staff, and any other educator who wishes to ensure that all children are successful learners of mathematics.