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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 ...

Back in 2019, Po-Shen Loh—an associate professor at Carnegie Mellon University and national coach of the U.S. International Mathematics Olympiad—taught the world a new way of solving quadratic ...

Math isn’t a subject that comes easy to many of us, and certainly not for me, personally. The most effective way for me to learn as a kid was by playing math games online. As the years went on, my ...