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www.superprof.com | ||
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mathbabe.org
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| | | | | I meet a lot of people, at airports and music festivals. I'm a friendly, talkative kind of person (at least when I haven't slept in a wet tent for two nights straight). When they ask me what I do for a living, I often say I'm a mathematician. Then they pretty much always tell me... | |
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americanaffairsjournal.org
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| | | | | The U.S. education system spent more than $26 billion on techÂnology in 2018. Thats larger than the entire Israeli military budget. By one estimate, annual global spending on technology in schools will soon total $252 billion. But the technology pushed into schools today is a threat to child development and an unredeemable waste... | |
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karendcampe.wordpress.com
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| | | | | We were talking online1 recently about parallel lines that are intersected by a transversal, and that there are multiple ways a student could justify that two particular angles were congruent. Since there are several angle pair relationships in play here, a students solution path might not match the teachers right answer, which can be frustrating. | |
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jaydaigle.net
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| | | We continue our exploration of what numbers are, and where mathematicians keep finding weird ones. In the first three parts we extended the natural numbers in two ways: algebraically and analytically. Those approaches gave overlapping but distinct sets of numbers. This week we combine them to get the complex numbers, and see some hints of why the complex numbers are so useful-and so frustrating. | ||
