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
Surds are used a lot more than you think!
Basic manipulation of surds Ex 1E
https://www.activeteachonline.com/product/view/id/858/page/12/mode/dps
Rationalising the denominator Ex 1F
https://www.activeteachonline.com/product/view/id/858/page/14/mode/dps