Weeks of the year

This short selection is from Byrhtferth's Enchiridion, a textbook on time, calculation and other matters written in the year 1011. In it, Byrhtferth demonstrates how to determine the number of weeks in the year by dividing the days of the year by seven. For a complete text of the Enchiridion, see P.S. Baker and M. Lapidge, ed., Byrhtferth's Enchiridion, Early English Text Society, Supplementary Series 15 (Oxford 1995).

Read this text carefully and then proceed to the exercise, which will test your recognition of the numbers it contains.

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