McGraw Hill
Glencoe Mathematics: Online Study Tools: Circle Graphs
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of circle graphs.
CK-12 Foundation
Ck 12: Statistics: Circle Graphs to Display Data Grade 7
[Free Registration/Login may be required to access all resource tools.] Make circle graphs by using given data.
CK-12 Foundation
Ck 12: Statistics: Circle Graphs to Make Bar Graphs
[Free Registration/Login may be required to access all resource tools.] Create a bar graph using data displayed in a circle graph.
CK-12 Foundation
Ck 12: Statistics: Interpretation of Circle Graphs Grade 7
[Free Registration/Login may be required to access all resource tools.] Interpret circle graphs by using given data.
CK-12 Foundation
Ck 12: Statistics: Pie Charts Grade 6
[Free Registration/Login may be required to access all resource tools.] Interpret circle graphs and make predictions based on the displayed data.
Math Is Fun
Math Is Fun: Pie Chart
Explains, with examples, what a pie chart is and how to make one. Includes a set of practice questions.
Oswego City School District
Regents Exam Prep Center: Categorizing Data
Three lessons on different types of data (qualitative, quantitative, univariate, bivariate, biased data) as well as a practice activity and teacher resource.
National Center for Ecological Analysis and Synthesis, University of California Santa Barbara
Ucsb / Pie Graphs (Piece of Cake)
This page gives an example and easy-to-understand description of a pie graph (circle graph.) Also provides an opportunity for students to test their abilities to read a pie graph.
![Wired Math: Organizing Data Grade 7 [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Wired Math: Organizing Data Grade 7 [Pdf] Activity")
University of Waterloo (Canada)
Wired Math: Organizing Data Grade 7 [Pdf]
A collection of worksheets that focus on data analysis and organizing data. Includes detailed examples, colorful visuals, and a link to a related game. Acrobat Reader required.
Math Planet
Math Planet: Pre Algebra: Circle Graphs
Learn about circle graphs or pie charts through examples and a video lesson.
Success Link
Success Link: Fruit Loops Graphs
A lesson plan on graphing for young students that can be adapted for older elementary students too. Use Fruit Loops for providing data that can be expressed in many different graphs.
Alabama Learning Exchange
Alex: Let's Make a Pie
The students will survey their classmates and construct circle graphs to display their results. Students will produce circle graphs using a compass and protractor, and then with an interactive computer program.This lesson plan was...
National Council of Teachers of Mathematics
Nctm: Illuminations: Circle Grapher
Use this tool to graph data sets in a circle graph. You can input your own data or alter a pre-made data set.
E-learning for Kids
E Learning for Kids: Math: Movie Theater: Circle Graphs
On this interactive website, students practice interpreting information in circle graphs.
E-learning for Kids
E Learning for Kids: Math: Treasure Island: Interpreting Data
Students will play interactive games to interpret information from different types of graphs.
E-learning for Kids
E Learning for Kids: Math: Traditional African Village: Data
Students will play interactive games to strengthen their skills of sector graphs.
PBS
Wnet: Thirteen: Circle Graph Analysis and Creation
This site, which is provided for by WNET, gives a great way to practice using circle graphs through these exercises. One is analyzing a pie graph from the Census Bureau and the other creating pie charts using government data.
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.
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.
US Department of Education
Nces: How to Create a Pie Chart
Resource from the National Center for Education Statistics provides tools and steps for creating printable pie charts online. Fill in the information, click the necessary buttons, and you have created a pie chart!
Other
Abp: P Ie Charts
This site from Accelerators and Beam Physics Group produces pertinent information regarding pie charts. Shows an example of a pie chart and breaks it up for easy learning.
Math Graphs
Houghton Mifflin: Math Graphs: Percents and Circle Graphs 1 [Pdf]
Students calculate the percent of the total income for sources of income and expenses. Learners then use this information to create a circle graph. The handout is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Percents and Circle Graphs 2 [Pdf]
Students calculate the percent of the total expenses for sources of income and expenses. Learners then use this information to create a circle graph. The handout is available in PDF format.
ClassFlow
Class Flow: Graphs
[Free Registration/Login Required] This flipchart is a quick review of line, bar, and circle graphs.