Normally, Sherry Geesaman wouldn’t be nervous. Normally, she’d flip open a plan book or a textbook and start riffing. That is, after all, what veteran educators do. And Geesaman’s been teaching for 20 ...

For a while, the Common Core State Standards seemed to teeter on the brink of the abyss. State lawmakers were defecting left and right, convening committees to rewrite the standards. But a review ...

Long a staple of the high school curriculum, the mathematics-course sequence of Algebra 1, geometry, and Algebra 2 is facing a budding challenge as schools transition to the Common Core State ...

A correction to an earlier version of this article has been appended to the end of the article. When Veera Sinha was a little girl in India, her father asked his kids to solve math puzzles in their ...