And here is just a quick note on rulers. It always amazes me how many students can get to 4th grade and still have such a difficult time using a ruler!! For the above art, I asked the classes to use a ruler as a straight edge to draw a border for their work (no measuring involved here -- just holding the ruler flush with the edge of the board and drawing a line -- which I modeled) -- like this:
The first day I saw more than one student, however, doing this:
Needless to say, on Day 2 I dramatically modeled how NOT to cross over your arms as you try to draw lines!!!!!