http://www.latimes.com/news/nation/nationnow/la-na-nn-nyc-teachers-give-homework-mixing-slavery-and-math-to-4thgraders-20130222,0,4880504.story
New York City educators have learned the hard way that there are some things that just don’t mix -- like using slavery to teach math.
The principal of P.S. 59, a well-thought-of elementary school that draws students from Midtown and the area around the United Nations, told the Daily News that she was “appalled” by the assignment and has ordered sensitivity training for all of the staff.
“In a slave ship, there can be 3,799 slaves. One day, the slaves took over the ship. 1,897 are dead. How many slaves are alive?”