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 ...

I had never heard the term, “math circle,” until a few weeks ago when I stumbled across an article in The Atlantic about the growing number of American kids excelling in the highest levels of math. It ...

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 ...

Students at Dewitt Middle School and Boynton Middle School have the opportunity to make modular origami, play a math version of Wordle and challenge themselves with mathematical Sudoku, also known as ...

I’ve been asked more than once how I come up with my topics. Things just pop up in my thoughts and some stay there longer than others. Those are the ...

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 ...

You’re likely familiar with Pi Day, perhaps the most popular of geeky holidays. Hooray. But I’m here to tell you that Pi Day is wrong — or rather, the entire idea of pi as a mathematical concept is ...