Add Yahoo as a preferred source to see more of our stories on Google. Fifteen years after the calamitous rollout of the Common Core math standards, the once-derided strategy has proven its staying ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustrative Mathematics was established in 2011 at the University of Arizona as a means to assist schools in adopting the Common ...

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 ...

Fifteen years after the calamitous rollout of the Common Core math standards, the once-derided strategy has proven its staying power, with many states holding onto the original plan or some close ...