Open Middle #MatchMyCL

Adapted from @DanShucster's Open Middle slides based on a model designed by @robertkaplinsky. The Doc with additional slides and resources can be found here: https://docs.google.com/document/d/1vqdixEiccYJhe8LcDiIyNmtlmZbsG9Nd_jR8TgRFonA/edit

By Ryan de la Garza