When I was in the third grade my friend Alexander and I invented a math game (whereby invented I mean, “I’m unable to precisely track down the origins of this game, so I’m assuming we created it entirely on our own”). In this post I’m going to describe how to play the game, and why I think it was really a really excellent tool for teaching several skills. Rules To start with, you need a deck of cards, we used some special math cards where the number of cards with each value were not...
