Press the Home button and Sleep/Wake button at the same time.
Sometimes the iPad will behave strangely and apps may freeze. First simply try turning the iPad on and off. If that does not work, then a reset may be necessary. This will not harm any data on the iPad.
Press and hold the Power button and the Home button at the same time
Wait for the device to reboot and then release the buttons once the Apple logo appears
Load your iPad doc with all of your favorite apps. Just hold down on an app on the home screen, and tap Edit Home Screen. The app icons will jiggle. Drag them to the dock on at a time.
Swipe up from the bottom of the screen to reveal the dock.
Drag an app out of the dock and over to the left or right side of the screen. The apps you have open will move to show you've reached the far side of the screen.
Drag the dividing bar left or right to change the balance of the apps.
4. Move the dividing bar all the way to one side of the screen to close the app you're moving past.
Watch video about to learn more about multi-tasking. Just practice!