How Many Under the Shell Exploring Addition and Subtraction Relationships with Okta

After Okta hides some bubbles under a shell, he then either adds more bubbles or takes some away. Students can learn their addition and multiplication facts by challenging themselves in this customizable, interactive game.

Challenge others. Challenge yourself.^TM

Sign up for fun at Calculation Nation! Register for free, then challenge others in math strategy games, and see how you rank.

Love at First Site

Victoria Miles has proven that one can fall in love at first site. Read her story, as featured in Bright Ideas.

Sign up for Bright Ideas, our monthly e-newsletter.

A System for This Sweet Problem Problem Solving using Systems of Equations

Get in the Halloween spirit with this unconventional problem about candy. To get to the answer students have to combine their knowledge of algebra and problem solving skills. Will your students be tricked or will they find the treat of a right answer?

Dynamic Paper A Tool for Every Grade Level

Create customized activity sheets for your classroom! Nets of 3-D shapes, tessellations, coordinate graphs, and more — all based on your input.

Download Our Fliers

You know about Illuminations, but do your friends and colleagues? Downloads, print, and distribute our fliers. Share the wealth of resources.