How to conquer a dragon with math - Garth Sundem

View full lesson: http://ed.ted.com/lessons/how-to-defeat-a-dragon-with-math-garth-sundem Having trouble remembering the order of operations? Let's raise the stakes a little bit. What if the future of your (theoretical) kingdom depended on it? Garth Sundem creates a world in which PEMDAS is the hero but only heroic when in the proper order. Lesson by Garth Sundem, animation by Mark Phillips. Learn more about your ad choices. Visit megaphone.fm/adchoices