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Monthly Archives: March 2012
Did I Have a Mean Mom?
We always made our beds. We always said, “May I be excused?” before leaving the kitchen table. We produced spotlessly clean windows and trimmed all the edges when we mowed the lawn. Our mother set a standard and we attempted … Continue reading
Posted in Uncategorized
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Instruction versus Teaching
In a post on Devlin’s Angle, Dr. Keith Devlin differentiates between “instruction/training and teaching/learning.” As near as I can tell, instruction consists of demonstration, drill, and testing and teaching consists of interaction, collaboration, and deep understanding. This is not a … Continue reading
The Best Way to Factor Trinomials – A Practice CDF Program
THE PRACTICE APP NO LONGER WORKS BUT THE HINTS BELOW ARE STILL PRETTY COOL. I have created a Mathematica object that people can use to practice factoring trinomials the “best” way. It is a CDF file (computable document file) and … Continue reading
Posted in Curriculum, Pedagogy, Teaching
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A Year of Nights of Wondering – V: Fluffy Number Edition
We were beginning a section on complex numbers in my intermediate algebra class when Karen Sheelar (Her name used with her permission and encouragement.) said, “Can’t we call them ‘fluffy’ numbers?” What a good idea! I have always disliked the … Continue reading
Posted in Classroom Happenings
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