Math Quiz: NYT Learning Network

Through Math for America, I am part of an on-going collaboration with the New York Times Learning Network.  My latest contribution, a Test Yourself quiz-question, can be found here:

https://learning.blogs.nytimes.com/2011/10/03/test-yourself-math-oct-3-2011/

This question is based on Facebook’s claim that they have 800 million users, and asks “What percentage of the world’s population uses Facebook every day?”

Dodecahedron Calendar

Here’s a fun use for a dodecahedron:  folding it up to make a yearly calendar!

https://texample.net/tikz/examples/foldable-dodecahedron-with-calendar/

Just download the PDF, print, cut, fold, and glue!  Access to a large-scale plotter might be nice, as the 8.5 x 11 version folds into something that’s pretty small.

It’s too bad there aren’t eight days in a week, otherwise we could put the octahedron to use, too!

Math and the Music Industry

NPR ran an interesting article about how much it costs to make a hit pop song.

Using a Rhianna song as an example, this article breaks down the approximate costs for songwriters, producers, engineering, and marketing.

Before reading the article, take a guess as to how much of the money spent on making a “hit” song goes to creative artists:  you’ll almost certainly be surprised.

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