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 ...

Image courtesy of McGraw Hill. Imagine learning how to determine the slope of a right triangle by sending your own tiny skier down ski trails or by setting up skateboard ramps for a virtual skater to ...

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 ...