I studied ‘Maths’ as a school boy whereas my children study ‘Math’, an abridged version that discards the all-important ‘s’. ‘Maths’ as an abbreviation has more going for it because it consists of the first and last letters of the full word, ‘Mathematics‘.
‘It is only an ass’, some say. No, it is not only an ass. It is the creeping kowtowing to American imperialism.