The Dare to Differentiate Wiki has an excellent collection of resources for organizing flexible groups and helping students become more independent within them: Dare to Differentiate
Kathy Collins compares differentiation in classrooms to holiday meal planning, and realizes the process is all about attitude and heart: Choice Literacy
We talk about "scaffolding" learning, but what does that really mean? Terry Thompson has a practical and helpful take on the difference between scaffolding and rescuing, as well as a quick self-test that might help you slow down and rethink your teaching style. "Are You Scaffolding or Rescuing?" is a provocative article for discussion in a study group or grade-level team meeting: Choice Literacy - Are you Scaffolding?|Choice Literacy