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So considerate

April 7, 2010 am30 7:25 am
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I use variables in class. Algebra. It works that way.

I use funny scribbles that look like obscured numbers. Occasionally. Always when I teach factoring by grouping (what we did with one number we can do with a cluster in parantheses).

And for special problems, or for fun, I use special variables. I used to like smileys and unsmileys. But a few years back, I started with elephants. And sea monsters. Click for a sample.

And yesterday, see how considerate! a student sent me this link:

The Extended Bell Curve

So perfect!

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