Here are several additions to The Most Useful Resources For Implementing Common Core:
The Core of the Common Core, Part 1: The Anchor Standards for Reading is from Burkins and Yaris. It provides metaphors and analogies in explaining Common Core.
The same site has a Periodic Table of Common Core Standards.
Thanks to Wendi Pillars for sharing those two resources on Twitter.
Achieve The Core shares Common Core writing samples from classrooms around the country.
Two Great FREE Apps from Mastery Connect is from Bill Ferriter.