by Joe Bauer, STL CC Last spring, I was invited to participate in Teaching for Prowess, and my group from St. Louis Community College attended the Summer Institute in August. Of course, I was excited for the trip, but if I am to be entirely honest, I was skeptical about the goal of the conference. I have been around long enough to have seen several other proposals of systemic change to mathematics education, and I have even seen them implemented and fail. If I am going to make a dramatic change in the classroom, I expect it to be purposeful and evidence based, and during the Summer Institute, I learned that this is precisely what TfP is. I became interested. The conference was designed to teach the core principals of the active learning in techniques detailed in Peter Liljedahl’s book Building Thinking Classrooms. As we discussed the different topics, the active learning strategies were modeled to us—the best ways to form groups, how groups are to display the work, the role of the teacher, etc. About halfway through the conference, my skepticism began to fade, and I thought there might be something to this. Then during one session, the speaker said, “Just try…