In early September, math teachers from across Kent County, Md., gathered for their first professional learning community meetings of the school year. Kris Hemstetter, a math and English/language arts ...

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 ...

Only Slate Plus members can gift Slate stories. Become a member to share 10 free articles a month. This story was produced by the Hechinger Report, a nonprofit, independent news organization focused ...

Cookies and math tend to go together in an elementary school classroom. And not always as reward for a correct answer. Teachers use them as conceptual props to explain an operation like division. It ...