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 ...

Arc length is a fraction of circumference. Area of a sector is a fractions of the area of a circle. Both can be calculated using the angle at the centre and the diameter or radius. Practice circle ...

Ever wondered how a rolling circle works? In today’s video, I’m breaking down the fascinating science behind the rolling ...

It’s 10 a.m. on a Saturday at Cal State Fullerton and students are revved up. It’s Math Circle time. Math Circle is a Saturday program for students in second through 12th grade, most of whom are ...

Acing geometry class in golden dreams and a future kalpa. The post Math Puzzle for November 14, 2025 appeared first on ...

How did you start studying crop circles? I grew up in the 1980s in the U.K. when these started to appear and was naturally interested by them. But there was one specific night in 1996 when I was ...