By Rick Sutcliffe
Some trivial things that bug the Spy begin with the way the name of this month, and for that matter the name of the fourth day of the week are usually pronounced--as if in the one case there were no "r" and in the other there were no "d."
And there's the way the typical recycled Social Studies or English teacher handles the grade eight math courses he's been assigned while he awaits retirement from a job long redundant. No, a prime number is not "one that is divisible by itself and one" for that definition includes one itself. Second, anyone who uses the term "cross multiply" in a classroom ought to be put out to pasture before they do any more damage. Does "Law of Proportions" really have too many syllables to be properly taught? Third, an exponent on a number does not mean "a number multiplied by itself n times." It counts the number of factors, NOT the number of multiplications. Fourth, the sum of money put to work to earn...| Read more »