How to get 100% of the class thinking of the answer to a question.

When the teacher asks a questions and the class "says" or "shouts" the answer: Who said the correct answer? Who said the wrong answer? Who didn't say anything at all? This is very much the most common way for teachers to get an answer to a question they ask in class.

Let's talk about how to get ALL students thinking about an answer and how to create equal participation in the classroom.