A complete worksheet to make clear the difference between Future Simple, be going to and Present Continuous used for future actions, including a complete grammar guide / study sheet on the use of different tenses to express the future followed by 2 exercises in which students have to complete a chart and decide which the best for the context: going to, will or present continuous. It was designed as homework but can also be used as a classroom activity.
It is completely editable so you can modify, add or delete any part of it according with your students' needs.