Check out this cool link:
https://www.youtube.com/watch?v=9GMT3FnQTGM&list=PLgKuh-lKre13r1Qrnrejj3f498-NurSf3
https://www.youtube.com/user/sentdex/playlists
On Linear Algebra:
http://www.digital-university.org/free-vector-identity-techniques-videos