Most people agree that some sort of revolution has taken place in this country during the past decade in the teaching of school mathematics. But it has been a very British revolution, and therefore confusing. No Minister or Inspector General has issued a new syllabus to be adopted by all schools with effect from midnight 31st December 1969/1st January 1970; even the British equivalent of the foreign Ministries, the examination boards, have come out in a rash of syllabuses A, B, C, D,…, modes I, II, III and given their blessing to special papers by the S.M.P., M.M.E., M.E.I., C.S.M., …, The bewildered foreigner equates U.K. with Nuffield, Biggs, Southampton, Exeter, Leicestershire, Brianthwaites, Skempproject, Schools Council, Blackpaper, according to which he has heard of first or whom he has met last.