We designed these applets for NCTM’s Illuminations website to help improve the teaching and learning of mathematics. They work great on your interactive whiteboard for whole class instruction. Give them a try!
Free Math Applets
Explore repeated patterns using polygons.
Explore geometric patterns that grow and change using an iterative process.
Have fun while developing basic number facts, including counting and addition skills.
Practice numbers, geometric shapes, multiplication facts, fractions, decimals and percents.
Learn about the relationship between the number of sides and the sum of the interior angles of polygons.
For high school: Explore conditions that result in congruent triangles.
Guide a turtle to a pond using turn-by-turn commands while estimating distance and angle.