## Engage Students By Making Them Board

Back around 1980, I got my first computer. As I recall, it had the brand name Sinclair and it was connected to a little black…

## Find the Demand Function

Suppose that the demand and price for strawberries is related by a linear demand function of the form p= D(x) where p is the price…

## Use a Blog to Help Teach Your Math Class (Part 1)

Before I tell you about how you might use a blog in the classroom, let’s look at one of the easiest ways you can put…

## Creativity in Math?

In an earlier post, I mentioned a on creativity killers. This post spurred me to examine my own teaching strategies in a different light. Instead…

## What does the term marginal mean?

In economics, the term marginal is used to indicate the change in some benefit or cost when an additional unit is produced. For instance, the…

## What is an average cost function?

When a business produces goods or services, it incurs costs associated with the production of these goods and services. Some of these costs are variable…

## Real Points of Inflection

Real world examples help students to see where the mathematics we teach them can be used. Let’s look at a real world example of a…

## Medical Insurance Project – Graph the Total Annual Cost

In the last two posts, I described the first steps in modeling the total annual cost as a function of the total medical charges. In…

## Average Rates of Change and Verizon

Over the past few years, I have worked to keep the attention of my students in class (and online). This is no small task. In…