David 
How to change Apple ID for iPad
1. Open the Settings app.
2. Tap Apple ID > Name, Phone, Email.
3. Tap Apple ID and enter your password.
4. Tap Change Apple ID.
5. Enter your new Apple ID and password.
6. Tap Continue.
7. Tap Done.
To delete an app from your iPad, tap and hold its icon until it jiggles. Tap the X that appears in the top left corner of the icon, then tap Delete.
To delete an app from your iPad, press and hold the app’s icon until it jiggles, then tap the X button that appears. Confirm by tapping Delete.
To delete an app from your iPad, tap and hold its icon until it jiggles. Then tap the X button that appears in the top left corner of the icon, and confirm your choice.
To disconnect your iPad from your iPhone, open the Settings app on your iPad. Tap Bluetooth, then tap the i next to your iPhone. Tap Forget This Device, then confirm by tapping Forget.
To download movies on iPad, you can use the iTunes Store app. Tap the Search icon, type in the name of the movie you want, and tap the movie title to open its details page. Tap the Download button to start downloading the movie.
To fix the split keyboard on your iPad, follow these steps
1. Swipe down from the top of your screen and tap on the Settings icon.
2. Tap on General.
3. Tap on Keyboard.
4. Tap on Split Keyboard.
5. Toggle the Split Keyboard switch to Off.
To keep the iPad screen on, open the Settings app, tap Display & Brightness, and then tap Auto-Lock. Set the time to Never.
To lock your iPad screen, swipe up from the bottom of the screen and tap the Lock button.
To delete an app on your iPad, tap and hold its icon until it jiggles, then tap the X button that appears. Confirm by tapping Delete.