There are many challenging words which we encounter everyday in our unit on Communication Systems. To make the understanding and learning more fun and of course social, we used this cooperative learning strategy called Quiz Quiz Trade. Each pair was given 2 words which they need to learn. One person starts to quiz the other about their word and the other answers by giving the definition or an example. They exchange cards and they go through the process again. When they are done , they will trade cards ( words) and they will find another/new partner to do the exercise with.