This is another story in KPCC's ongoing series, Classroom Core, that takes a close look at how the Common Core teaching standards are playing out in schools in Southern California. Amid rows of chairs ...
In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results