Hello Robbie Cook,
Thanks for visiting us on the forums with such a great question. I did some research and found Shiftscreen will do what you are looking for. However, your screen real estate gets a bit limited on the iPad. However it will allow you to work on one thing while showing someone else the second screen.
You can tap or click here for someone demonstrating usage on YouTube.
Tap or click here for a recommended Lightning to HDMI adapter for the second monitor.
Tap or click here for an HDMI to Mini HDMI stepdown.
Tap or click here for a recommended travel size monitor.