Deeper Learning Through Questioning (math) Online Course Follow-up

The excellent participants in the recent LINCS/Teal Deeper Learning Through Questioning (Math) online course had some wonderful ideas to share. This post serves a a place for those people to continue the conversation and to encourage those who did not take the course to share their great ideas, questions, and comments.

How do you use questioning to deepen learning in math?

Do you have strategies that you have found effective?

What questions about questioning do you have?