The purpose of this study was to examine how teachers' conceptions about teaching mathematics influence the manner in which they plan instruction in mathematical problem solving. 9 seventh-grade ...

The Productive Failure (PF) approach prompts students to attempt to solve a problem prior to instruction – at which point they typically fail. Yet, research on PF shows that students who are involved ...

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 ...

With as many problems as we are all faced with in our work and life, it seems as if there is never enough time to solve each one without dealing with some adversity along the way. Problems keep ...

After more than 24 years of coaching, I've noticed that teams and organizations still use traditional problem-solving techniques despite these being either obsolete or ineffective. For example, ...