By 
Garth Sundem
 | 
TED-Ed Original

How to defeat a dragon with math

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. [Directed by Mark Phillips, narrated by Garth Sundem].

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math
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