The Duolingo math app will cover basic third and fourth grade level mathematics, including multiplication, division, fractions, angles, and area measurements. A Duolingo language lesson looks more ...

The grinding sound of metal on metal filtered through the walls of Chris Lindberg’s math class at Shoreline Community College, but his students had no trouble tuning out the noise. “We’ve got a ...

Over the past year, since I took over the common-core math beat, I’ve been thinking a lot about fractions. As I wrote in November, the Common Core State Standards for mathematics emphasize fractions ...