(April 22, 2014) Today was the first of a six-week math circle for ages-6-7. We began with a crime-solving logic puzzle involving 3 characters, Abigail, Bartram, and Carle. This puzzle was Smullyan’s puzzle #71 of his “From the Files of Inspector Craig.”1 The four kids in attendance solved it methodically, cooperatively, and with glee. We had bonus fun postulating…