melmichigan Posted August 28, 2012 Share Posted August 28, 2012 Today I realized just how much classrooms that use SM rely on bar graphs from the beginning, not just from level 3. It is truly an eye opening experience to watch a SM teacher go through problems with a student, everything comes back to the bar diagrams. I have learned that the HIG's don't do it justice. Quote Link to comment Share on other sites More sharing options...
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