In which we hit double digits, in base ten, anyway. This was mostly about teaching stuff, because I'm between terms, in that weird reflect-on-the-last term/ prep-for-the-next-term space. With a digression about training wheels, which are good as an analogy, but less good for actually learning to ride a bike...
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After my binary fingermath stuff, a few people wrote to me to ask about just how binary really works. For someone who does the kinds of crazy stuff that I do, the idea of different number bases is so fundamental that it's easy to forget that most people really don't understand the idea of using…
Dan Meyer at dy/dan just posted about teacher-student analogies. His analogy is that the student is like a weight lifter and the teacher is the spotter. I like this. It is similar to my usual analogy that the teacher is like a trainer and the student doing some exercise. Another analogy I often…
For many people, it is the time of the year to put the bikes away. I live in Louisiana, so now is the time to get the bikes out (too hot in the summer). Learning to ride a bike is a curious thing. Most parents use training wheels to get kids started. I do not think this is the best strategy.…
Slides rules are actually astonishingly powerful things. The simple slide rule does multiplication and division using the C and D scales; strictly speaking, you can have a basic rule with nothing but C and D. But you almost never see a rule that simple. (The only one I've ever seen with only the…
Diversity in education demands an arithmetic base fair to everybody regardless of cultural orientation, sexual proclivities, substance enhancement, manual dexterity, and especially empirical ability: Base 1. Advocacy says, "nothing is better."
You're a real toe sucker Al
Cheap training wheels are the best because they get bent up (like Chad is planning to do manually) and the kid learns to ride.