Merry Christmaths: the statistics of Secret Santa

What happens when you give an interesting Secret Santa maths problem to a group of mathematicians? Here's how it played out at a recent ACEMS Mathscraft workshop - thanks Dr Rheanna Mainzer, from The University of Melbourne, for writing this wonderful story in The Conversation: https://theconversation.com/merry-christmaths-the-statistics-of-secret-santa-127730

mathscraft1-courtesy-rheanna-mainzer.png

Courtesy: Rheanna Mainzer

mathscraft2-courtesy-rheanna-mainzer.png

Courtesy: Rheanna Mainzer