Record your iPad Screen
On your iPad, open the Control Center menu. To do this:
On iOS 12 or later, from the top right corner of the screen, swipe down at an angle.
On iOS 11 or earlier, from the bottom of the screen, swipe up.
Next, tap on the record button:
You will get a 3 second countdown, then your screen will be recorded.
To end the recording, open the Control Center, and tap the record button to end. Your recording will be saved to your Photos.
The Record Button is not showing in my Control Center
Open Settings on the iPad
Tap Control Centre
Tap Customize Controls
Find Screen Recording in the list, and tap on the green + symbol beside it to add it to your control centre.
Here's a quick video showing how screen recording works on the iPad: