If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...

Creating a start-up, or managing any business, is all about problem solving. Some people are good at it and some are not—independent of their IQs or academic credentials (there may even be an inverse ...

Problem solving is one of today’s top skills—students who apply problem-solving strategies in the classroom are building important talents for college and the workforce. The math classroom is one of ...