As I survey the many pressing issues facing US education in general and mathematics education in particular, one that never goes away is tracking (or "streaming" or whatever euphemism is being served up by its advocates these days). To me, it is...

And do they really care? Consider the following problem: ===================================== 3, 4, 6, 7, 10, 12 The number n is to be added to the list above. If n is an integer, which of the following could be the median of the new list of seven...