I can't get my screen to rotate on my iPad 2

Swipe downwards from the top-right of your screen to expose the control centre.

Check to see if the Screen Rotation lock is enabled - if so, tap to disable:

ckuan wrote:

• On your Home Screen, swipe down from the top left* to see the Control Centre

• Tap the icon with a lock and a circle arrow around it to lock/unlock screen orientation.

• Correction: Top Right

• On your Home Screen, swipe down from the top left to see the Control Centre
• Tap the icon with a lock and a circle arrow around it to lock/unlock screen orientation.

You're welcome.