A New Course for K–12 Mathematics Education
Guest post by Jason Zimba Back in 2009, a Google search on the term “3.OA.7” wouldn’t have returned very much. Today, this same search yields dozens of pages of hits. What has changed? And what, exactly, is “3.OA.7” anyway? Here’s what has changed: after thirty years of working separately to define K–12 learning goals for…