A colouring book, Mathematical Coloring from Marshall Hampton

Kaleidoscope 1

by Simona Riva
Drag the red dots and the center red dot to create a kaleidoscope effect.

Which figures have rotational symmetry?

By Alex Chik

Activity: Draw a snowflake


By Jennifer Silverman

Kaleidoscope II

Be sure to turn trace on, and try out more or less lines. This applet ‘clears’ when you zoom in or out, so take a screen shot first if you love your design.

by Duane Habecker