2. Instead of adding to the factoring pages...try to think of a series of thoughts in algebra and create a large area that presents those algebraic thoughts geometrically with activities that would be fun. [If you find that confusing :) it is because I am not at all clear on that idea!]
3. One activity that would be fun to start with would be the Coloring Activity. If you could look at http://forum.swarthmore.edu/alejandre/magic.square/ben.lines3.html and think of how that could be colored to highlight the symmetry that you see in the drawing...perhaps we could write questions (covering a wide range of student abilities) to go along with the activity.
From the messages posted this morning to the Middle School group of Geometry Institutes I see both Karen Smith's and Sandy Sherman's!