## Use a Blog to Help Teach Your Math Class (Part 2)

First of all, let’s get something straight. A blog is simply a way of publishing information on the Internet. Using a platform like WordPress, you can publish an entire website that is attractive and useful to your users. This might not be what you think when you hear the word “blog”. The reason for this is that blogs are often use as a reflective tool to publish the author’s thoughts and ideas. There are thousands of blogs online discussing almost every topic imaginable.

## 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 your toe into the warm blog waters. There are several blog platforms available. Some require a web hosting plan, but two of the most popular do not and are free.

My personal favorite is WordPress. It offers a free beginners website that allows you to try out many of its features. If you desire more features, you can purchase a web hosting plan and install WordPress on that host. On most hosting plans, installing WordPress software is free . A WordPress installation on your own hosting service adds flexibility and allows you to use a wide array of tools to customize how your blog looks.

Like other spreadsheets, Google Sheets may be used to find a regression model for data. Following a few simple steps, we can graph a set of data in a scatter plot and find the corresponding model.

Suppose we have the demand data show in the table below.

To find a linear model for the Average Price per Gallon as a function of the Weekly Demand, we need to make a scatter plot of this data and add the linear regression model to it. Continue reading “Regression Using Google Sheets”

## PhotoMath: New Killer App for Students?

Over the past few hours, many news sources like CNN and Engadget have reported on the app PhotoMath. According to their website, this app claims

PhotoMath reads and solves mathematical expressions by using the camera of your mobile device in real time. It makes math easy and simple by educating users how to solve math problems.

Wow! What an enlightened view of how this app might be used.

## What Type of Technology to Require?

At my college, we have required students to have a graphing calculator for all classes at the Beginning Algebra level and above. Some of you might argue that this is overkill or that we should not be using any technology, but I am assuming that there must be some type of technology in the students hands. I teach College Algebra, Finite Math, and Business Calculus. Most of my students will not be moving on to a STEM major…so what technology is appropriate?