Monthly Archives: December 2010

Mental Math – Square Roots

Posted on December 25, 2010 by jrh794

As you can probably tell from a previous post, “Completing the Square: Two Forms – Two Methods,”  I like taking square roots.  For instance I got several years of pleasure from a mental mathematics method for calculating square roots that … Continue reading →

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Too Good to be True – Math in the Popular Press I

Posted on December 14, 2010 by jrh794

I came across this statement in a  recent Atlantic Monthly.  “Further, if instead of paying a $2,000 mortgage once a month, you pay $1,000 every two weeks, you can pay off a 25-year mortgage five to seven years early!”   This … Continue reading →

Posted in Popular Press Explorations | Leave a comment