Every year, thousands of college students from across the U.S. and Canada give up a full Saturday before finals begin to take a notoriously difficult, 6-hour math test — and not for a grade, but for ...

One of the most hotly contested teaching practices concerns a single minute of math class. Should teachers pull out their stopwatches and administer one-page worksheets in addition, subtraction, ...

Add Yahoo as a preferred source to see more of our stories on Google. We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple ...