Category: Math by Subject

Contemporary Algebra Collection (new resources 2/4/2019)

The Contemporary Algebra Collection now contains 28 activities spread from basic math to exponential functions. All of these activities are based on contemporary examples from the world (e.g. Snapchat, Facebook, Amazon, Spotify, tourism, apps, etc). All the activity links now point to Google Docs that will maintain their “freshness” over time. Whenever I update an activity, the published version will also automatically update at the same link. By publishing the activities as Google Docs, I hope this makes them easier for you to modify activities if you want a slightly different wording or conceptual focus. The collection has also...

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Add Graphs In The World to Courses

Now you can add Graphs in the World to your courses in the LMS! Create a new “page” in your course. Open the editor on that page. Go to the HTML Editor on that page. Paste the following text and then save the page: <iframe width=”750″ height=”1400″ src=”https://www.inoreader.com/stream/user/1004872044/tag/GraphsInTheWorld/view/html?cs=m” frameborder=”0″ tabindex=”-1″></iframe> When you’re finished, you should get a page that looks something like this. There are other ways to subscribe to Graphs In the World: RSS Feed: https://rsshub.app/instagram/user/graphsintheworld Facebook: https://www.facebook.com/graphsintheworld/ Instagram: https://www.instagram.com/graphsintheworld/ Thanks to Martin Brinkman for posting directions on turning any Instagram account into an RSS feed. Thanks to Laura Gibbs...

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Bringing the Real World to Your Math Class Every Day

I’ve been spending the first 5-10 minutes of every 2-hour math class discussing graphs in the news with my students. I’ll give you a few examples of what came up naturally week by week: Lots of social media graphs: Slope of the adoption rates for new users, the DAU (daily active users) and MAU (monthly active users) over time, and comparison of the adoption of new features in different platforms (Snapchat, Facebook, Instagram, and Twitter) Tech industry: Growth of Amazon, Facebook, and Google, rise in employees at these companies, and comparison the money spent on Black Friday in the...

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Taking the Algebra Out of College Algebra

Today’s talk from AMATYC was “Taking the Algebra Out of College Algebra” (to lessen the heretical title slightly I will tell you I’m advocating for taking *some* of the algebra out of College Algebra). The goal of the talk is to help faculty redevelop a math program so that it de-emphasizes algebraic manipulation can be daunting. Faculty will leave this talk with both a vision for the nirvana they want (the long-term goal) and small, executable steps they can take right now to work towards that goal. I meant to record the audio for the talk but I completely...

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Group Exploration in Math

I am often asked how to get learners to spend more time “exploring” in their learning rather than just recalling or responding to specific prompts for information. Exploration of the learning space is particularly important because learners find the interesting nooks and crannies of the concepts that they would not otherwise discover. Let me share an example. Yesterday in class we needed to spend more time on exponential functions. I began class by displaying a graph of y=2^x and asking the class specific questions like “The graph of an exponential function has an asymptote, where is it?” Only to...

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