This resource is a robust collection of lessons and activities to help you teach about CER (Claim, Evidence, Reasoning) in a remote learning environment or within a classroom. The overall lesson provides opportunities for instruction, practice, and assessment focused on each concept: Claim, Evidence, Reasoning.Online reinforcement resources include activities on Quizizz, Gimkit, Jamboard, Flipgrid, and Padlet, as well as if-this-then-that style Google Forms. Also included is a Tic-Tac-Toe Choice