There’s a Facebook meme making the rounds that features a grossly-distorted photo of a car. The wheels, the bumper, the windshield are all in the wrong place. “First car built using Common Core math,” ...

Every Saturday morning at 10 a.m., Jason Zimba begins a math tutoring session for his two young daughters with the same ritual. Claire, 4, draws on a worksheet while Abigail, 7, pulls addition ...