Old Babylonian arithmetic mostly occurs within the context of word
problems,
rather than just simple arithmetical exercises. The terminology
used
varies widely in different contexts; it is clear that the Mesopotamians
had several different concepts which we subsume under the operations of
'addition' and 'multiplication', and so on. The most detailed and
up-to-date analysis of Old Babylonian mathematical vocabulary is in
Hoyrup's
'Algebra and Naive Geometry' article. For convenience here, I
have
picked out one simple form for each (of our) basic operation, and, to
make
life really easy for you, I have left the numbers in cuneiform, but
transliterated
the words. The forms we use below are:
addition: x a-na y dah-ma,
subtraction: x i-na y zi-ma,
multiplication: x a-rá y,
taking ('freeing') a reciprocal: igi n gal-bi du8-ma.
For each question, perform the relevant computations. As far as
possible,
try to work in cuneiform or, at worst, in transliteration. There are
some
aids you can use for checking the results of some of your computations
on my Mesomath web site. In particular, there are some
multiplication
tables (follow the links from the home
page), a reciprocal
table, and even a calculator.