Infinite Secrets

Don't use use a fraction of the resource — use it all! Scholars attempt a set of five problem-of-the-month challenges on fractions. Levels A and B focus on creating fractions and equivalent fractions, while Levels C, D, and E touch on...

Eleventh graders investigate inverse functions.  In this Algebra II instructional activity, 11th graders use their prior knowledge of linear, exponential,and quadratic functions to create a graph of an equation they have never seen before.

No one wants to pay more for rent than they need to. Here is a video where future renters can learn how to fairly split rent with roommates based on room preferences. An explanation of the Sperner's lemma using an simplex isn't as...