Let’s Retire #MTBoS

Let’s Retire #MTBoS
Dan Meyer, dy/dan, 2017/08/21
This story is amusing from a distance and in retrospect, but I'm sure it was less funny for those involved at the time. MTBos - which stands for "Math Twitter BlogoSphere" - was set up as a hashtag and web site in order to welcome math teachers to the online community. More...