Wednesday, September 16, 2026

And another small bit of homework for Monday September 21:Create your own Babylonian-style base 60 multiplication table for the number forty-five

  


Fragments of a Babylonian star calendar
In class, we experimented with a table of pairs of numbers that multiplied to sixty (in base 60, with base 60 fractions).

For homework for our class on Wednesday Sept 17, please experiment with creating a similar table (in base 60, using base 60 fractions), but find five pairs of numbers that multiply to forty-five!

Rules:

• At least two of your five pairs should include base 60 fractions in one or both of the numbers.
• Don't use 1 as one of your numbers. Challenge yourself a bit!

Here is an example (and please find five more pairs that multiply to forty-five!)

2    22,30
(explanation:  two times twenty-two is forty-four, but two time twenty-two and a half (,30) is forty-five)

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