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 ...

Allonda Hawkins said the way her children are expected to do math is “100 percent different” from the way she learned. “There are terms that I’ve never heard before, like arrays. It’s very foreign to ...

Model math standards produced by conservative education advocates helped spark a battle in South Dakota that could spread to other states.