By combining the language of groups with that of geometry and linear algebra, Marius Sophus Lie created one of math’s most ...
The original version of this story appeared in Quanta Magazine. Mathematics started with numbers—clear, concrete, intuitive. Over the last two centuries, however, it has become a far more abstract ...
Students, like Miriam Cooper, working a problem at the Smartboard, participate in math problems in Dana Snapp's class at Fuquay-Varina Elementary School. Students there have been using Common Core ...
Lisa Rodriguez teaches Algebra II and Pre-Calculus Honors and is co-director of the Calculus Project at Brookline High. Credit: Javeria Salman/The Hechinger Report The Hechinger Report covers one ...
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