





examines the state of math education in the U.S. and the roles of culture, technology, and research on improving math learning and proficiency. Learn about the "miles per gallon illusion" and the train problem. Discover resources on fractals, matrices, human face recognition, biomimetic research, computational conformal mapping, and the "kissing number" of a sphere. (National Science Foundation)






Which saves more gas: replacing a car that gets 25 miles per gallon (mpg) with one that gets 35 mpg? Or replacing a car that gets 16 mpg with one that gets 20 mpg? Before you answer, consider this. 






Why do so many struggle with math? 


