When was the last time you had to do long division?
Let me take a second and define my terms here– by “do long division,” what I mean is that you had to solve a division problem that you were unable to do in your head, where a quick estimation wasn’t acceptable, and where calculators of any kind were not available– like, you actually had to take out a pen or pencil and a piece of paper and actually use the algorithm to work the problem out to get an answer. Bonus points if you weren’t able to end with a remainder and actually had to solve the division out to decimals.
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I’m teaching it, so for work…but that means that I reach for that part of my brain in the grocery store, too, right now.
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Actually writing it out?
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Maybe 5-8 years ago, when I was showing my kid how I learned to do division. “Yes, I know that’s not how your teacher did it, but I want you to know both methods. You can use it to check your answers.”
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Probably whenever it was last on a state standardized test. I’m 33 now, not sure I even remember how to do it.
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A few times a year, so maybe 6ish months ago? A variety of applications, too – not just work.
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Honestly? Probably sometime back in the late 70s, early 80s.
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Approximately 1978. Or maybe 1980.
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