Unit Circles: Relevance in CCSS

In an effort to weed extraneous & irrelevant material from algebra our curriculum to both make it more relevant, it might be tempting to remove Unit Circles because they are not included in the list of widely applicable prerequisites of the Common Core.  The unit circle is traditionally taught by having students memorize “special angle” positions like … More Unit Circles: Relevance in CCSS

Students-Teachers and the weird disinterest in STEM

Not long ago I read an article about how students are disinterested in STEM.  Lockheed inadvertently gave more reasons for being tuned out in their response.  Andrew Hacker has also made some serious arguments against STEM.  Any overworked teacher might sigh in relief after reading these because they appear to be off the hook as far as needing … More Students-Teachers and the weird disinterest in STEM

Queuing Analysis in Algebra: 21st Century Career Connections

Would the textbook publishers please step up?  Our students need to know how math is used in real jobs these days and I don’t have time to  research all that.  Sure, AutoCAD and other software replaces writing y=mx+b, but take a look at the algorithms in this video to understand one way linear equations are … More Queuing Analysis in Algebra: 21st Century Career Connections

Absolute Value equations: “You are there” relevance

One of the most motivating experiences I can sometimes create for my students is a feeling of what it can be like as an adult in an interesting career.  The little extra time that kind of activity monopolizes is well spent.  The idea of absolute value is found everywhere something is being built or produced: … More Absolute Value equations: “You are there” relevance

Quadratic Curve Fitting in Market Analysis

This activity is designed to: explain the usefulness of the vertex form of a quadratic strengthen students’ graphing abilities extend understanding of scatter plots from fitting a line to fitting a curve connect what we do in the classroom to real jobs to increase motivation open gateways to 21st Century careers for students might be … More Quadratic Curve Fitting in Market Analysis