For anyone new to coaching Netball (and even the seasoned professionals), I am sure you will find this useful. Here are a number of great training drills you can do with your girls. There are 82 videos in total so this should keep you busy.
A great way to implement this is to take your iPad to the court and show the girls what they will be doing. I am sure the girls will be much more receptive to a visual demonstration.
Below is a small selection of the content available, and a good starting point to cover some key concepts in each area of gameplay.