As new tools are presented, I will keep a collection of how-to's and instructions here for your reference. :)
iPad Air Help Site
HOW TO USE YOUR iPAD AS A TEACHING TOOL
Recommended by: Caroline Whitley; Click the image to view the infographic
This source will show you options for showing, managing, assessing, and interacting with your students, making instructional materials, and learning new things. Lots of suggestions for apps on here. Have fun!