Don’t have a quiet classroom; ensure effective math discussions!

Teachers! Don’t leave out discussions in math instruction!

A friend and a colleague once said during his conference, “A math class that is quiet is suspicious”– Dr. Yeap Ban Har. This is not only funny but very true. As I observe lessons, I notice that this part is sometimes left out and/or barely touched upon. Successful discussions require significant teaching skills, as students must be guided through mathematical practices. Some discussions need to be facilitated by explaining, making connections, and using representations. Also, teachers must respond to students' discussions and deeply understand mathematical concepts to help frame questions and emphasize big ideas.

So, how can teachers facilitate discussions? When I was a new teacher, many years ago, I remember doing the problem(s) with my co-teacher's son before I taught the lesson. (He didn’t mind at all; I gave him candy!) This would help me anticipate my students’ thinking and determine the knowledge and skills students would need to complete the problem. I also found it necessary because it helped me consider likely methods, conclusions, and even misconceptions. I even planned the presentation and the materials I wanted to use. Doing this helped me launch a powerful discussion. Kids loved talking about their initial thinking and ideas. At this point, clarifying their thoughts by listening and responding helps build on others’ ideas. This challenged the students with different variations and new applications of methods. So, teachers, “Don’t have a quiet classroom; ensure effective math discussions!”

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