books.google.ca - A recent assessment of mathematics performance around the world ranked the United States twenty-eighth out of forty countries in the study. When the level of spending was taken into account, we sank to the very bottom of the list. According to Jo Boaler, who was a professor of mathematics education at...http://books.google.ca/books/about/What_s_Math_Got_to_Do_with_It.html?id=y95wbq-k4SAC&q=lessons&utm_source=gb-gplus-shareWhat's Math Got to Do with It?