In Kansas City, Kansas, hundreds of students got up early on a Saturday morning to do math problems, but not as punishment or for extra practice. The ninth annual Math Relays pit teams of middle- and high-school students from a dozen schools in races to solve math problems in algebra, geometry, number sense and data. "It's pretty great because we get to see schools compete on a friendly basis, but it's also intense because we're representing our school," middle-school student Javier Ochoa said.

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