Keywords: circle, Geometry, Math, Pi Day, Pi Day Activity, Worksheet Grade Levels: 5-6, Middle/Junior High, High School Standards: Common Core Disciplines: Math Type: Document File Type: Adobe PDF (.pdf) 68 KB Download Resource Keywords: circle, Geometry, Math, Pi Day, Pi Day Activity, Worksheet Rachel Published March 4, 2022 No votes yet. Please wait... Log in or register to rate this video. Students match between the term and the image to learn about the parts of a circle. The part of the circle that is red shows what needs to be identified. For example, the circle filled with red shows the area of the circle.