Integrating Differentiated Instruction and Understanding by Design by 
Fulfilling the Promise of the Differentiated Classroom by 
How to Differentiate Instruction in Mixed-Ability Classrooms by 
Differentiated Instruction in the English Classroom by 
At Work in the Differentiated Classroom Facilitator's GuideThe Common Sense of Differentiation Facilitator's Guide
Differentiating instruction for mixed ability classrooms: Inquiry kitA Visit to a Differentiated Classroom [VHS]Energizing and Sustaining the Move toward Differentiated Classrooms by Note: Learning about differentiation strategies for subjects other than your own subject is a great way to get ideas.
Differentiated Instruction in the English Classroom by