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 ...

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 ...

EdSource · When teens counsel teens: Why peer support programs are growing A dozen parents gathered around veteran math educator Leanna Baker, moments before students show up for what is billed as a ...

Zachary Champagne’s 3rd and 4th graders figure out early on that this math class will be different when their teacher tells them: “I don’t care about the answer.” The goal is to shift his elementary ...

Does the thought of arithmetic make you break out in a cold sweat? People tend to fear a little number work, but without it our world would be a much duller place. Nevertheless, some children ...