A simple math problem sparked heated debate on Chinese education forums two years ago.

As her 7th graders wrapped up the school year this past spring, Louisiana math teacher Lerinda Baham was finishing a class of her own—a 50-hour teacher training in middle school math. With the ...

You can probably think of a time when you’ve used math to solve an everyday problem, such as calculating a tip at a restaurant or determining the square footage of a room. But what role does math play ...