Cheryll M. Adams & Rebecca L. Pierce 
Differentiation That Really Works [PDF ebook] 
Math (Grades 6-12)

Differentiation That Really Works: Math (6-12) provides time-saving tips and strategies from real teachers who teach math in grades 6-12. These teachers not only developed the materials and used them in their own classes, but they also provided useful feedback and comments about the activities. The strategies included in the book are tiered lessons, cubing, graphic organizers, exit cards, learning contracts, and choice boards. Every strategy includes directions and offers opportunities for differentiation.Grades 6-12