Tag Archives: equivalence relations

Eating Our Own Cooking: What I’ve Actually Used or Shared

By Art Duval, Contributing Editor, University of Texas at El Paso A popular saying in business (or so I’ve read) is to “eat your own cooking”: Use the products your own company makes.  I suppose there are several motivations to … Continue reading

Posted in Assessment Practices, Classroom Practices | Tagged , , , , | Leave a comment

One Reason Fractions (and Many Other Topics) Are Hard: Equivalence Relations Up and Down the Mathematics Curriculum

By Art Duval, Contributing Editor, University of Texas at El Paso  Why are fractions hard to learn for so many people?  There are many reasons for this, but I like to think about one in particular, a mathematical idea hiding in … Continue reading

Posted in Classroom Practices | Tagged , , | 3 Comments