Duolingo, a quick-and-easy learning app that boasts more than 128 million monthly active users worldwide — mostly for its language offerings — has expanded into mathematics with elementary and middle ...

The cognitive flexibility that comes from being multilingual can give students a boost in math—if teachers know how to build on English learners’ strengths. Seventy-seven percent of 8th-grade ...

Most people learn to count and do basic arithmetic at a young age and don’t give these skills a second thought. But numerosity or numeracy, the ability to think about and use numbers, is more than a ...

First proposed in 2012, the Inter-universal Teichmüller Theory (IUT) is a devilishly difficult math theory that experts describe as an “alien language.” Although only a few mathematicians around the ...