Learn Zillion

Teacher-made math and language arts videos for grades 3-8. You can assign videos to specific students or to your whole class. Students can watch the videos without an account, or you can create accounts to track student progress. 
You can also find videos here:
To create screencasts of your iPad, use these apps: 
Other resources:
Mentor Mob

Create playlists to organize web content for your students. 




Live Make 4/43
Screencast-o-matic

Create screencasts of your computer for students.