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.

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 ...

Alabama lawmakers are set to take a vote on a bill that supporters say will improve the state’s standing in math achievement in K-12 schools. The bill, called the Alabama Numeracy Act, is sponsored by ...