This is a lesson that I originally intended to do just with my 3rd graders... but instead decided to do with my 3rd, 4th, and 5th graders this week - and it has been incredibly successful at all levels! I got the original idea for this project from a pin I saw on pinterest, but it looks like that blog post went back to an even earlier post from Artolazzi. It appears this lesson has kinda transformed a little each time it's been done.. so here is my version! :) To begin this project, I…