First grade being the second classroom for most kids is how they get an intuitive sense for cardinal, nominal, ordinal, interval and ratio.[0] Some learn it lat

First grade being the second classroom for most kids is how they get an intuitive sense for cardinal, nominal, ordinal, interval and ratio.[0] Some learn it later in life where a second class private outranks a private but not a private first class.[1] 0. https://en.wikipedia.org/wiki/Level_of_measurement https://en.wikipedia.org/wiki/Level_of_measurement 1. https://en.wikipedia.org/wiki/Private_(rank) https://en.wikipedia.org/wiki/Private_(rank)