Evan O’Dorney leaps from his seat and snatches the chalk from his teacher’s hand. “I think it goes like this,” the eighth-grader exclaims. He has come up with a formula for the number of ways to ...

Ethan Eastwood is graduating from J.L. Isley High School in Halifax this year — at age 16. What’s Ethan’s secret? Participating in Nova Scotia Math Circles, a mathematics outreach program based out of ...

The circumference of a circle = \(\pi d\) or \(2\pi r\). Look at the sector of the circle shown below. To calculate the length of the arc, we need to know what fraction of the circle is shown. To do ...

IRVINE – Students from across Orange County gathered on Saturday for the Orange County Math Circle tournament at University High School. More than 150 students in sixth through eighth grades attended ...

When Hannah Cairo started showing up at Berkeley Math Circle meetings as a teenager, nobody was betting she would topple a ...

Michelle Manes has taught math in almost every setting. She taught public high school students, deaf elementary school students, and middle school girls at a single-sex school. But eventually, she ...