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 ...

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 ...

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 ...

Our world is filled with shapes and symbols that form familiar elements. One of those common geometric symbols is the circle. The circle plays a pivotal role in everyday life as tires on the cars we ...