How did you learn the mathematical formula for pi? It was likely the way I learned it. I was told to commit the value pi = 3.14 to memory along with the formula to calculate the area of a circle.

Ms. Knarr will guide students in looking and making numerical patterns. In this lesson, Ms. Knarr will guide students in looking and making numerical patterns. / Julia Knarr, The Soulard School / ...

Here’s a simple number game to play on a rainy day, or while sheltering in place. You and I take turns crossing out numbers from the list {1, 2, 3, …, 9}. The winner is the last person to cross out a ...

Some mathematical patterns are so subtle you could search for a lifetime and never find them. Others are so common that they seem impossible to avoid. A new proof by Sarah Peluse of the University of ...

This is the second in a two-part series. Part one can be found here. The debate over what early math should look like and what should be included in the Common Core State Standards for math is one of ...