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 ...

I taught sixth-grade math for 24 years and found that the biggest impediment to teaching at that level was that so many ...

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 ...

Two students in Danielle Adler’s kindergarten class at Marcus Hook Elementary School in Marcus Hook, Pa., prepare for an addition problem. Credit: Holly Korbey for The Hechinger Report The Hechinger ...

Before the Bank of Canada got rid of the penny, I sometimes drove store checkout clerks mad by paying with extra dimes, nickels and pennies so I would get quarters as change. I never meant to be a ...