Students learn to make picture graphs with symbols that represent more than one piece of data.

Students use ideas of ratio and proportion to investigate various ways to make a circle graph. Students create graphs to display the probabilities of the different sums that can be generated with two number cubes. [Requires Adobe Reader.]

This site gives an in depth tutorial on the TI-82 graphing calculator. With each step in the tutorial, a picture of the calculator is shown that can be enlarged.