Circle geometry concepts printables - 6th, 7th, and 8th grade

[K12math.com Support]

We are experimenting with a new format by putting the individual pages
in images so that teachers can download them once to their desktops and
print as necessary.

The below links are to pages 1-3 of basic circles concepts that need to
be taught. This is by no means all of them...we will post more as time
permits. Comments and requests are always welcome.
I would categorize the entire printable as:
6th grade geometry - Advanced
7th grade geometry - Intermediate
8th grade geometry - Review
Circles printable 1:
http://www.k12math.com/math-concepts/geometry/exploring-circles-1.htm
Circles printable 2:
http://www.k12math.com/math-concepts/geometry/exploring-circles-2.htm
Circles printable 3:
http://www.k12math.com/math-concepts/geometry/exploring-circles-3.htm