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Monthly Archives: February 2011
When to Call an Equation an Equation
An IBM advertisement in the March 2011 Atlantic starts “A computer has no problem solving the following equation, in a few hundredths of a second:” Then this handscrawled expression: This is not an equation and therefore cannot be “solved.” It … Continue reading
Posted in Math Explorations
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I Did It Again
As you know if you have read this post, radical signs and I do not get along. I am at the same point in the term and my students are again having trouble with simplifying . The class didn’t go … Continue reading
Posted in Classroom Happenings, Curriculum, Pedagogy
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Fibonacci Gambling
I call going to Nevada “visiting my money.” Years ago every time I went there I played blackjack. One year I rode my bicycle down Nevada’s US 97 staying in small towns and gambling at the local casinos. I was … Continue reading
Posted in Math and Me
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A Year of Nights with Wondering – III
Solving Absolute Value Equalities and Inequalities We were working on solving absolute value equalities and inequalities. A few days ago we went through the exercise I described in this post and now I was consistently and emphatically making connections to … Continue reading
Feedback From the Real World – The fate of the pvalue
“Image you are flipping a coin a 1000 times. You get 537 heads. The probability of getting this result or “worse” using a fair coin is one percent. But you didn’t get 537 or worse, you got exactly 537 heads. … Continue reading
Posted in Popular Press Explorations, Rants
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