Students in Kristen Gonsoir’s classroom at Groton Area High School in Groton, S.D., spend a lot of time solving equations together. Early this school year, they passed almost an entire period working ...

The confusion (likely intentional) boiled down to a discrepancy between the math rules used in grade school and in high school. By Steven Strogatz Recently I wrote about a math equation that had ...

It’s formatted to confuse people, and there are no interesting underlying concepts. By Kenneth Chang Math can be useful. It can also be elegant, even beautiful — a word you’ll often hear ...

For centuries, the Pythagorean Theorem has occupied a unique position in mathematics: both elementary and profound. Its ...