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Duane Habecker @duanehabecker.com · 09/07/2026

I’m a better mathematics instructional coach thanks to my trip to the top of Willis Tower in Chicago. #iTeachMath #MTBoS open.substack.com/pu...

A photo of Dave and me standing on the glass floor at the Willis Tower. The title of the blog post is “How my trip to Chicago taught me that a change in behavior leads to a change in mindset”.