The other day I posted this problem that one of my students discovered. We played around with it for a while and came up with this solution. I don't know if this is the easiest or most elegant solution, but it's what I have. Quick recap, we're trying to solve…
So, I think a lot of people will be familiar with this puzzle. Start with an arrangement like this: The aim is to swap the positions of the green and blue counters. The counters can move either one or two spaces forward, and each space can contain only one counter.…
Shaun used to be maths, IT and ocassional physics teacher at a small P-12 school (primary and secondary) in rural Victoria, Australia. He is currently in the process of starting his career again in the United States.
my other blog
My journey from Australia to the United States:
my wife's blog
Sarah is also a math teacher, and she's much better at this blogging thing than I am: