This is the first in a two-part series. 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 the most contentious in ...

Pre-algebra is more than just a set of math topics—it’s the bridge between basic arithmetic and the deeper logic of algebra. Mastering it builds the confidence and skills needed for high school math, ...

Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most ...