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 ...

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 ...

Hoping to help your fifth-grader with math skills? Here are some basic tips that experts suggest for fifth-graders. As the math they’re learning becomes more complicated and less obviously connected ...