UNKNOWN MALE #1:I'm seriously full, guys. I can't breathe. UNKNOWN FEMALE #1:Well I'm not surprised after what you had. I'd have been full after your starters. UNKNOWN FEMALE #1:'You had one and one ...

Over the past year, since I took over the common-core math beat, I’ve been thinking a lot about fractions. As I wrote in November, the Common Core State Standards for mathematics emphasize fractions ...