This document provides an overview of free web-based resources for 21st century teaching and learning. It introduces several tools such as Tagxedo, LiveBinders, Edmodo, Rubistar, and Khan Academy. For each resource, it outlines doing a resource cycle which includes introducing the resource, hands-on exploration, small group discussion, and reflection. It encourages educators to try out the resources and think about how they could apply them in their own classrooms.