This activity can be used as a center, as a scavenger hunt around the class, "scoot" style*(see below), or using the Smartboard lesson to go over it/ teach it.
Complementary Angles, Supplementary angles, missing angles of triangles, missing angles of a quad, and writing equations.
The .zip file includes:
1) Student answer sheet
2) 16 angle task cards (two per page)
3) The same 16 angle task cards (one per page)
4) Answer key
*"Scoot" style is when you put a task card on a pair of desks and then after 2 minutes, they kids "scoot" to the next one.
My 7th graders love this way!