This is an interesting article that highlights 3 areas of how mobile devices will/can change how teaching and learning. 1. Inquiry based 2. Flipping classroom instruction 3 digital text books.
Great site for quickly assessing students - can see results in real time. Can input class lists but don't have to. Each category can be easy to hard by selecting different levels. You can use what is already there or make your own. Try it out - it's free!
Tara- thanks for the post - wondering what your thoughts regarding appropriate level such as: geometry, algebra 1, algebra 2 or perhaps all the above. See if you can edit this listing and tag it with those levels that way teachers can search by their subject area and more easily find sites suitable to their class. thanks again for the great post.