Monthly Archives: January 2012

When I was a Carpenter

I miss the time when I was a carpenter – being  outdoors, building physical  useful objects, the sheer physicality of the work.  But most of all I miss the talk – the blunt, intense conversations. It seems as if we … Continue reading

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Fast Fractions – Easy System

We were playing around trying to figure out an easy way to memorize the different techniques for operations on fractions last Friday in my intermediate algebra class.  Suddenly this simple pattern emerged. ADD/SUBTRACT FRACTIONS – CRISSCROSS APPLESAUCE MULTIPLY FRACTIONS – … Continue reading

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The Best Way to Factor Trinomials – A Remarkable Coincidence

I first got the idea for the “best” factoring method when I was looking at stretching the number line to make rational polynomial roots into integers, but if a person solves enough quadratic equations by factoring, the pattern will become … Continue reading

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The Best Way to Factor Trinomials – Screencasts

Part II has been added. See below I am learning to use screencasting software and here is my first effort.  I now know that I am more glib in my head than in reality and that I need to work … Continue reading

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Feedback – A Short Story

“Are we moving again?’ “Yes” “Will we have to change our name?” “No, but we will.  I don’t want to take any chances.” “Who found out?” “No one.  Brian’s dad was getting suspicious though.” “The engineer?” “Yes.  Three weeks on … Continue reading

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