Forget hours, divide the day into radians instead. Class members convert the angles in a pie chart of daily activities into radian measures. They add angle measures for multiple activities then determine a relationship between the radian...

With so many types of graphs, don't let your learners get stuck figuring out which one to use. To track how Zoe spent her allowance, use this interactive lesson to review all the types of graphs and pick the best one to display the data....

In this Garfield activity, students watch a video about Garfield and answer true and false, multiple choice, and crossword questions about it. Students complete 3 activities total.

In this bats worksheet, students click on the links in the questions about bats to find the answers to the questions and then come back and answer the questions. Students answer 19 questions total.

This site shows how to set up your own pie chart for papers and projects. Very colorful and it is free.

A computer applet that will draw any circle graph with student's data input.