This TedEd video looks at how money supply impacts the value of bills in the economy. As an animated illustrated, it does a great job working through the idea of fiat money and how inflation/deflation is controlled through the money supply.
TED-ED: Why incompetent people think they’re amazing
The Dunning-Kruger effect is an interesting psychological theory that looks at why novices tend to overrate their abilities and even rate themselves on par with experts. This mindset has real implications for decision making because overconfidence made lead us to make suboptimal choices.
TedEd — What is the tragedy of the commons
Here’s a great opening video for teaching common resources and the tragedy of the commons. This version of the video actually does a great job explaining the math of the overfishing problem and how you need to have enough reproductive pairs in order to maintain the optimal level of the stock. This video could be used a pre-lesson video to introduce the topic.