Download this application on your laptop to mirror your iPad on your computer screen. This is a useful way to create screen recordings of your iPad for student tutorials. The trial version only allows you to do ten minute sessions before you have to restart.
This app lets you create, record, and share lectures/lessons using an interactive whiteboard. This could be used to flip class content by posting lectures/lessons online.
A useful app to edit Google Docs. Spreadsheets have been added, and presentations will likely be soon. The app does allow for sharing and collaboration. However, it doesn't let you print from the app yet.