• BuildingBridges IMAGE ForMainCarousel

    Featured Lesson Plan

    In this grades 6–8 lesson, students transition from arithmetic to algebraic thinking by exploring problems that are not limited to single-solution responses.

    read more
  • FractalTool

    Featured Interactive

    In the spirit of winter, have your students discover Koch's Snowflake!

    read more
  • CubeNets

    Featured Mobile Game

    Cube Nets (grades 3–8) has now been updated and is optimized for your tablet. What's the quickest time in which you can identify all the cubes?

    read more
  • HeartPlot IMAGE ForMainCarousel

    Featured Brain Teaser

    February will be here before we know it! Find the coordinates of eight points that will draw a heart in time for Valentine's Day!

    read more

Challenge others. Challenge yourself.®

Calculation Nation

Play online math strategy games against players from around the world.

6 gamers currently online

Test your skills.
Tease your brain.

Monkey

Challenge students and mathematics enthusiasts with these puzzles.

Your Success Defines Our Success.

SuccessStoryThumb

Read and share experiences of how people have used Illuminations’ resources.

Bright Ideas Sign-up

Welcome to Bright Ideas, the e-newsletter of Illuminations. Once a month, this newsletter provides resources, information and new ideas to interested teachers.