44) "So then two looks like this: [pointing to "10"], right?"

"RIGHT, BUT THAT SURE LOOKS LIKE TEN."

45) "No, only to you guys, because you were taught it wrong [grin] -- to the aliens it is two. They learn it that way in pre-school just as you learn to call one, zero [pointing to "10"] "ten". But it's not really ten, right? It's two -- if you only had two fingers. How long does it take a little kid in pre-school to learn to read numbers, especially numbers with more than one numeral or column?"

"TAKES A WHILE"

46) "Is there anything obvious about calling "one, zero" "ten" or do you have to be taught to call it "ten" instead of "one, zero"?"

"HAVE TO BE TAUGHT IT"

## Feb 9, 2006

### teaching methods

Fascinating transcription of a teacher using the Socratic method to teach kids about binary numbers. An excerpt:

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