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A comment on Spirograph.
In a calculus class, I once gave a demonstration and then derived the parametric equations on the board.
In an introductory number theory class, I tasked my students with figuring out how to predict how many points a figure would have before drawing it.
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In a calculus class, I once gave a demonstration and then derived the parametric equations on the board.
In an introductory number theory class, I tasked my students with figuring out how to predict how many points a figure would have before drawing it.