Illustrative Mathematics
The Circle and The Line
Here is a resource where algebra learners show their understanding of a system of equations involving a circle and a line. Once graphed, learners see two points of intersection, one where the ordered pair is read, and a second where...
The Math League
The Math League: Using Data and Statistics: Pie Charts
This introductory tutorial about statistical graphing with four examples of how pie charts (circle graphs) are constructed and read.
Primary Resources
Primary Resources: Line Graphs and Pie Charts
Here are a few resources to use with your students when teaching about line graphs or pie charts.