Monthly Archives: June 2020

What Do You Do with 729 Wine Corks?

Posted on June 23, 2020 by jrh794

What Do You Do with 729 Wine Corks?  You make a model of a Sierpinski Triangle. This gives a sense of scale. The corks were glued with wood glue.  That type of glue didn’t work with plastic corks much to … Continue reading →

Posted in Math and Me, Math Explorations | Tagged , | Leave a comment

Retirement – Why and What I Am Losing

Posted on June 22, 2020 by jrh794

I ran across the notes for these two short posts: Muscles Ache for the Feel of a Stylus and I Wish I Could Tell You … I think they describe well the reasons I dislike teaching online and why I … Continue reading →

Posted in Classroom Happenings, Teaching | Tagged | Leave a comment

Retirement – Throwing Away Hurts

Posted on June 17, 2020 by jrh794

I will be gradually emptying my office this summer prior to my official retirement date in September.  I have (had) a full file box labeled teaching ideas which, to be honest, I have not looked into  in many years.  I … Continue reading →

Posted in Math and Me, Teaching | Tagged , | Leave a comment

Retiring – Why?

Posted on June 3, 2020 by jrh794

The situation has changed and I am retiring.  To respond to my post, Not Retiring – Why? , my workdays still have intention but stressful intention.  As math chair I am making hard decisions for uncertain futures.  But mainly, I don’t … Continue reading →

Posted in Math and Me, Uncategorized | Tagged | 1 Comment

Multiply Two Lines – Visualizations

Posted on June 3, 2020 by jrh794

A friend of mine, Paul Grilley, stopped by a while ago to show me a clever geometric construction of tangent lines to parabolas. This got me thinking about about how to visualize the multiplication of two straight lines. I am … Continue reading →

Posted in Math Explorations | Tagged | Leave a comment