We could put the casinos out of business in a single generation if we required schools to teach probability theory K-12. It is not rocket science. It begins with coin flipping. There are two ...

San Jose, California: Jesse Roe, a ninth-grade math teacher at a charter school here called Summit, has a peephole into the brains of each of his 38 students. He can see that a girl sitting against ...

Using words like ‘factors,’ ‘denominators’ and ‘multiples’ may be part of a constellation of good math teaching practices ...