Matthew Peterson arrives at his office wearing sports sandals and carrying a backpack. He is 35 years old. But with his baby face and hair gel, he looks about 15.
Is this the guy who is going to radically change the way your child learns math?
If you're lucky.
Peterson is the inventor of hundreds of computer "games" that teach the basic building blocks of math – without relying on language. His method has been adopted by 270 schools, 51 of them in Orange County.
Principals as far away as Arkansas are signing up. The word is spreading: Whether your school is struggling or...