I missed #WorldTessellationDay by a couple of days (June 17) but I figure it’s close enough to the time to celebrate it and also that I am posting to my blog for the Math Forum at NCTM for the first time! All’s right with the world.

To appreciate the significance of this is to know that it was my interest in tessellations, the webpages I learned to write as a result of participating in a Math Forum Summer Institute and the interest those pages received, that helped me land my Math Forum job. In celebration, here are a few of my favorite photos of tessellations: