A controversial new movement promoting the "science of math" has come into the math establishment's crosshairs.

Americans think schools need to teach math skills to prepare students for future success—but they don’t always agree on which skills are the most crucial, and the subject stirs up complicated emotions ...

Imagine a classroom full of bright young students, all striving to do their best on a high school math test. They sit, heads slightly bowed, pencils ready, each one thinking about how to tackle each ...