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 ...

Math vocabulary alone isn’t a silver bullet—but research shows it’s linked to stronger academic achievement when paired with expert teaching practices.

If math was never your strongest subject, take a number. But veteran teacher Courtney Phillips discovered math is hidden in an ancient game. In 20 years as a 4th grade teacher, she observed that math ...