Many of these apps are free. Free is good.
To find the category on your ipad:
1) Go to the App Store
2) Select all Categories and then select Education
3) Go to the bottom of the page and there is a list of quick links, select Apps for Teachers.
You have further subdivisions to pick from which are
1) Classroom Management
2) Curricula Support
3) Instructional Tools
4) Personal Organisation
5) Reference
