“While many people use circles for problems alone and believe circles are something that happens only when educational goals are impeded, it is undoubtedly clear by now that we advocate the integration of circles into the basic structure of teaching. Teachers have many different means and techniques for delivering course content, including lectures, small group activities, discussions, tests and quizzes, videos, projects and games. Think of the circle as adding another string to a teacher’s bow, a versatile technique capable of serving multiple functions.”