These resources include teaching routines, with rationales, key elements, and options. Recurring features and strategies Three-dimensional Learning in Carbon TIME Strategies for Sustaining Rigor and Responsiveness Carbon TIME Discourse Routine Cognitive Apprenticeship in Carbon TIME Talk and Writing Educator Resources Using a Driving Question Board, by Wendy Johnson Big Ideas Probes: answering, voting, discussion, returning in later lessons Teachers Make a Difference Educator Resource