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 ...

Lisa Holland's second-grade class at Columbian Elementary School models math problems with blocks and drawings during Go Math! instruction. Holland said the program's emphasis on striving for deeper ...

Ever since the Common Core state standards were introduced in the United States, teachers for good reason have been under pressure to improve outcomes in math. According to the National Assessment of ...