In math, students extend their understanding of place value to the hundreds place. They use this to solve word problems, such as those involving length and other units of measure. Students add and ...

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 ...

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 ...

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 ...

Sean Nank is a math expert who is helping teachers to implement the Common Core standards. He’s a professor at the American College of Education, created in 2005 to provide online graduate programs ...