Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. There are two types: Riddler Express for those of you who want ...

TRYON—The discovery that math can be fun spread to more Polk County elementary students on Friday, March 6, as students from ...

The designers for Monte Vista Elementary School’s proposed outdoor classroom had some key questions to answer: What materials could they use while staying under the district’s $10,000 budget? How much ...

Teaching elementary school math just got trickier, or at least deeper. The new Common Core State Standards require students to demonstrate a deeper understanding of math concepts, which means teachers ...

On a breezy July morning in South Seattle, a dozen elementary-aged students ran math relays behind an elementary school. One by one, they raced to a table, where they scribbled answers to ...