In recent years, about 100 countries participated in the International Mathematical Olympiad (IMO). The U.S. team has been consistently come out among the best of the best, winning the second place in 2011. It won the first place in 1971, 1981, 1986, and 1994; the second place in 1974, 1978, 1983, 1985, 1992, 1996, 2001, 2004, 2005, and 2011; the third place in 1975, 1976, 1982, 1990, 1998, 2000, 2002, 2003, and 2010.
Just like any Olympic game, the countries cannot be on the top without the strong participation by its citizens in the sports. With my many years experience in tutoring math,...