Increasingly in the twenty-first century, what you know is far less important than what you can do with what you know. The interest in and ability to create new knowledge to solve new problems is the single most important skill that all students must master today. — Tony Wagner 
Problem solving has been identified as an essential skill for success in the 21st Century . I certainly agree. Problem solving is high on my list of essential outcomes we need to cultivate for students to be productive, engaged citizens. After all, we live in a world that is constantly changing. The challenges we face are complex, requiring a delicate balance between multiple, and often divergent, perspectives and competing needs. Who could dispute the self-evident fact that problem solving is a critical skill? It seems so straightforward. Or so I thought.