Below are a range of different resources to help prepare you for the progress test. It is up to you how much you interact with these resources, however the more you practice the better your understanding will be.
Videos
Resources
Read through Examples 1 - 3 and then complete Exercise 1A:
www.activeteachonline.com/product/view/id/858/page/2/mode/sp
Here is an Active Learn PPT with some exam-style questions you could try: