1. Fast and Slow Piles. This works well as a starting or closing activity. Students sort math fact cards into fast and slow piles. This visual way of tracking facts highlights which facts come ...

Two decades ago, the mathematician Moon Duchin spent her summers teaching geometry at Mathcamp, a program for mathematically ...

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

In a world dominated by algorithms, it's common to associate them with a negative bias. Mathematician Clara Grima defends ...