Conic Section Explorer Creating and Graphing Conic Sections

Explore all the different conic sections and their graphs. Move and rotate the cone or change the parameters of the cone and the plane creating the cross section. As you manipulate the cone, observe how the graph changes or zoom in for a closer view.

Exploring Krypto Developing Number Skills by Playing a Game

The rules of Krypto are straightforward — combine five numbers using the standard arithmetic operations to create a target number. Students love that it's challenging and fun. You'll love that the game helps them to develop number sense, computational skills, and order of operations.

Challenge others. Challenge yourself.^TM

Sign up for fun at Calculation Nation! Free registration gets you access to the beta version of this online gaming site from Illuminations. Challenge others in math strategy games, and see how you rank.

Success Stories

Have you bungeed with Barbie yet? Is there an Illuminations activity that you couldn’t imagine teaching without? Tell us about your success — from using an applet in a novel way, to modifying one of our lessons to make it work in your classroom. Email us your success story and it may be featured on Illuminations.

Facebook Discussion Board

Want to share your opinions and modifications for Illuminations content with other users? Have ideas for content that you would like to see added to the site? Log on to the Facebook Discussion Board.