Snapguide

Snapguide is a wonderful, simple, visually pleasing way to present instructions.  Students are able to create a set of instructions complete with pictures and then post them on the web. 

Could be a great app to use when teaching instructions, but it could also work really well to have the students explain the steps of a new concept.  One of the examples that showed me the power of this app was one where a students wrote out the steps of long division with pictures of his work included.

Thanks to techchef4u.com for this great app suggestion.