I saw this post last week and finally found time to try it --- and it works! So if you or your paraeducator don't have access to a document camera, or can't use your phone to project, then here is a simple DIY idea. You could also teach students how to do this so that they could show you any handwritten work.
Anne M. Beninghof
Anne's mission is to improve instruction through collaboration and the sharing of creative, practical ideas for educators.