Think about the so-called "story problems" you studied in algebra and other math classes. How many of them dealt with, say, two trains which, no matter how far they traveled, could never catch ...

Introducing new math concepts via already-worked examples can give students a significant boost in learning. But choosing the right problems makes a big difference. An analysis earlier this year ...

Give a three-year old a smartphone and she’ll likely figure out how to turn it on and operate a few simple functions. But confront her with an algebra problem and ask her to solve for x? Not ...