I just got back from the NCTM National Conference in Indianapolis. This math is for all teachers teaching grades 5-12. It is so difficult in these grades to provide meaningful yet engaging lessons. Visit www.youcandothecube.com and get information on how you can use our favorite chilhood puzzle, the Rubik’s Cube, in your math classroom. The activities are aligned with national standards as well as 21st Century Skills.

His bio from his website, stevehargadon.com, is as follows:
