This Target Number Stations Geometry Activity is a great way for students to have group or individual practice finding the number of diagonals in polygons, finding the sum of the interior angles of polygons, and finding the measurement of both interior and exterior angles of regular polygons.2 levels are included for this activity. A "mild" level with 6 stations has students practicing the basics. A "spicy" level with 3 stations has challenge problems designed to really enhance student thinking