These activities that we used in class to support relevant quantum concepts The "quiz" files were done as activities at the start of class - sort of like a whiteboard, but they first worked about 5 minutes on their own, then another 5-10 together, then we talked them through.
We used Phet Sims in several lectures:
These are all excellent class activities (show/discuss/predict...)
I also went to
http://webphysics.davidson.edu/faculty/dmb/hydrogen/intro_hyd.html
Matrix Operators Quiz (MS Word)
Quiz – no credit (MS Word)
Web Resources (MS Word)