Not just math....
[...]
"In addition to misunderstanding math, American students also, on average, write weakly, read poorly, think unscientifically and grasp history only superficially. "
[..]
http://www.nytimes.com/2014/07/27/magazine/why-do-americans-stink-at-math.html
[...]
"In addition to misunderstanding math, American students also, on average, write weakly, read poorly, think unscientifically and grasp history only superficially. "
[..]
http://www.nytimes.com/2014/07/27/magazine/why-do-americans-stink-at-math.html