1) Tear down the bold centre line of the card 2) Start with the half with three stripes 3) Take one end, give it a half twist and stick it to

1
Mathematics at Surrey
1) Tear down the bold centre line of the card 2)
Start with the half with three stripes 3) Take
one end, give it a half twist and stick it to
Mathematics at Surrey
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known for his discovery of the Möbius strip, a
non-orientable two-dimensional surface with only
one side
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2
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August Ferdinand Möbius (1790 -1868) was a German
mathematician and theoretical astronomer. Best
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Mathematics at Surrey
the other end to make a Mobius band 3) Tear along
perforations can you explain what happens? 4)
Now try it with the five stripes
Mathematics at Surrey