Posts filed under ‘.9’

Engine, engine, Number Nine

Engine, engine, Number Nine,
Running on Chicago line.
If the train should jump the track,
Do you want your money back?

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August 9, 2010 at 11:17 pm Leave a comment

Magic Squares

A beautiful learning puzzle from In Code: A Mathematical Journey

Here’s thekittycats story: The Magic Square, or Lo Shu

August 9, 2010 at 3:15 pm Leave a comment


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