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 ...

Malinda Evans spends about an hour and a half each day teaching mathematics to her 5th graders at Navajo Elementary School in the working-class South Valley neighborhood of Albuquerque, N.M. Whether ...

Elections are all about numbers, sometimes hinging on miniscule percentage-point differences in turnouts. Math teacher Alison Strole’s middle school students know this better than your average ...