This Common Core Thinking Wall is short phrases that can guide instruction and classroom discussion. Teachers can be reminded of phrases to use that make students think about and take control of the lesson and to know that even mistakes are part of learning. They can remind teachers to allow for student discussion and conversation throughout the day. These phrases can become a better, more professional way to respond to student inquiry and learning. Phrases include: Is that a REASONABLE answer?, It's Okay. Mistakes are part of learning. Let's TURN and TALK about that!, What in the TEXT made me think that?, Did I back up my answer with EVIDENCE from the TEXT?, I'm ready to DEBATE that point!, Can I DEFEND my answer?