Saturday, June 8, 2013

Triangle problem

The site Five Triangles has lots of good mathematical problems for middle schoolers. I really liked a recent one:

I wanted to see what configurations with this property looked like, so I made this brief animation:

1 comment:

Joshua Greene said...

Dear Marshall,

Just wanted to thank you for the materials you posted (mostly the worksheets and coloring book). If you find the time, it would be great to hear about the math your daughter has been doing more recently. In other words, there are/were a couple of weird folks who enjoyed your blog!