Duolingo has launched Duolingo Math, a new app for teaching mathematics to kids and adults alike. The beta opens today and is free of charge. No one is safe from the Duolingo owl.

Sets on their own don't have too many properties—that is, characteristics—but if we start doing things to the numbers 1 through 12, or the fruit in the fruit bowl, it gets more interesting.

Critics say timed drills aren’t useful and instead provoke math anxiety in many children. The National Council of Teachers of Mathematics urges teachers to “avoid” timed tests. But advocates insist ...

The K-12 system keeps sending us students who can’t do algebra. Here’s how to fix that. by Alex Small and Yasser Salem, Opinion Contributor - 09/29/23 7:00 AM ET ...

He complained about doing math classes at 9 a.m. on Saturdays when his friends were playing sports, but it paid off. Matthew, now 10, was able to skip the third grade. 5.

A DIVINE LANGUAGE {Learning Algebra, Geometry, and Calculus at the Edge of Old Age} By Alec Wilkinson 287 pages. Farrar, Straus & Giroux. $29. Writing a book is hard enough, so authors will ...

A math handout sent home by teachers at my son's school struck me as so absurd that I thought for sure the parents were getting punked. The exercise demonstrated how to do the new way of long ...