As a mom of a girl child, I’m supposed know all about braiding hair. But I don’t. <cue dramatic bad mom music>
I know how to braid three basic strands of hair… mostly. But when I try the French braiding thing, K8’s hair looks like a feral goose nested in it overnight.
“There must be some way of knowing how much extra hair to pull in – and when!” I thought.
When trying to figure it out (mathematically, of course), I noticed that the strands of the braid weave to give all possible permutations of three things!
Check it out:
So we have all of these:
Is there more?
This makes me wonder what happens with four strands. Of course that kind of thinking will send any incompetent braiding mom into fits!
What do you think?
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- How to Calculate Permutations and Combinations
- Permutations and Combinations – How to Tell the Difference
- Math Rules & Their Destruction of Education
- A Halloween Puzzle: Rubik’s Cube
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