Fifth-grade math teacher Wei Zhang moves her hands in small circles with her palms up, coaxing her students to think about the math problem on the board. “This way makes it easier to certain people,” ...

For five years, a San Francisco foundation funded, and a research organization closely monitored, a collaboration by 10 California districts to raise achievement under the Common Core math standards.

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 ...