This is a great way to get the entire class involved in the learning process, what most would call cooperative learning. If you are unfamiliar with the Kagan strategy of Quiz, Quiz, Trade, I will give you a brief rundown. Each student is given a card with a problem on the front and answer on the back. When the teacher gives the signal, students put their hands up and walk around until they match up with someone. They face each other holding their questions so the other can see it. One at a