Borchelt, Nathan. (2020). Good Things Come in Unexpected Packages. In S. Kohli (Ed.), Math Circle Activity Database. American Institute of Mathematics. https://mathcircles.org/activity/good-things-come-in-unexpected-packages
“When my son opened his Christmas cracker, he discovered ‘The Mystery Calculator,’ a little two-player card game. Of course, I was intrigued and offered to exchange my fake mustache for his game. Little did I know where this gem of a gift would take me.” Exploring the math behind the Mystery Calculator leads to a low-setup, high-fun activity!
This session is also suitable for student circles or the classroom.