PPT App

Here is an app for using PowerPoint on your iPad.
SlideShark is a free app for converting and viewing PPT files on your iPad.

Here is an article that was in PC magazine on the 100 best iPad apps.  Take a look and see if there are some in there for you!
http://www.pcmag.com/article2/0,2817,2362572,00.asp#fbid=eDun9vJ_WCi

More App Sites

Here are a few more App sites that come from Great people! Thanks all for your hard work on finding great apps for kids!
http://www.speedofcreativity.org/2011/10/25/annotate-correct-and-edit-documents-on-your-ipad/
http://www.technologybitsbytesnibbles.info/archives/6111