Who was the best teacher you ever had? Did he or she present you with one problem a day and then let you struggle to solve it? In other words, did he or she stand by and let you “chase a false supposition down a rabbit hole”? In his NYT’s review of Elizabeth Green’s “Building a Better Teacher,” Sebastian Stockman notes that this kind of teaching may look like nothing at all, but in fact it is one of the best things a teacher can do. Don’t have time to read Green’s whole book? Read her adaptation of the book in her NYT’s Magazine article Why Americans Stink at Math?or her article in The Atlantic.