The idea of learn, extend, create is a major part of triplo. It is used to organise the three types of lessons we teach and is a central idea in our approach to teaching English. But where does it come from, what does it mean and why do we use it? Learn, extend, create, is connected to ideas about designing an effective language course as well as the cognitive process that we use to acquire knowledge. Here we will explain the origins of learn, extend, create and tell you why we think it is important.