Math Arguments

180 Days of Ideas for Discussion in Math Class. (as of 9July2014, we're in overtime!)

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Tuesday, April 8, 2014

89: Approximately Three-fifths

Building on the previous few days ... if all vertical lines are equally spaced,

Which is closest to being three-fifths shaded?

Curmudgeon at 6:00 PM

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Curmudgeon: I'm a high-school math teacher completely frustrated with new math, reform math, fuzzy math, the color of math, talking about math, literacy across the curriculum and all those other things that get in the way of students actually learning math, not to mention the ever-present "You need to help raise our scores by taking one day a week to go over test-taking skills" and other administrative folderol. (He/Him/Mr.)

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