**The Challenge: **Learn a bit about the code discussed below, and then have yourself or students create some or all of the quilt blocks discussed.

*Materials needed: *Certainly you can make these as actual quilt pieces. You can also just use a square piece of paper and work on construction within that using paper and pencil.*Math concepts* *you could explore with this challenge: *angles, arithmetic, geometry, philosophy on math, polygons, symmetry, tessellations.