Constructivism includes problem based learning, WebQuests, and Inquiry Learning. All methods of teaching encourages students to create their own knowledge. Many classrooms have become "flipped". Flipping a classroom allows students to work on homework at school, while listening to lectures at home. Screencast-o-matic is a website that allows voice / image recording. Teachers can record a lecture which students can access at home. Students can pause or rewind the lecture until they've mastered the material. If students have a problem, these issues can be addressed during the school day. Flipping is an excellent way of utilizing valuable class time!!