This is a coloring activity for a set of 12 problems on writing equations of circles. 8 problems use the center and radius while 4 problems use a graph. One of the graph problems applies the distance formula to find the radius. I used 6 colors in the design.
For more complicated problems on equations of circles, please check out my task cards on equations of circles.
Posted: 5/25/15 so 50% off through 5/28/15