The following are three examples of calculation strategies students might discover on their own if they were taught standard algorithms first and allowed to master them before moving on. Common Core ...

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 ...