Day 39 – Odd day out

I walked into school and learned that I will have to leave early and my last period class was cancelled.  In my regular geometry class, I spent the better part of the period trying to teach the nuances of proof.  It is now abundantly clear to me that this topic will take a lot of time to learn.  I also think my model of the vertical angles theorem will have to be revisited.  (I do not think that supplementary angles can be stated as a given.  This causes some confusion in the class.)

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