Day 12 of 101 DoCC is playing with string art in a circle. I use this code in classes to look at ratios and patterns between the numbers. A great resource for this math and activities is here.
See the Pen stringArt by Sophia (@fractalkitty) on CodePen.
Students can play with code too or collect patterns of shapes. Here is a presentation mode link. Below is a JamBoard collection from a class:
