This Week at Global Math – 9/8/20


Curated By Chase Orton @mathgeek76

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Online Professional Development Sessions

No webinar tonight. Join us for our next webinar Tuesday, September 15th.

Using DeltaMath for Distance Learning

Presented by Zach Korzyk

DeltaMath has long been a free tool used to give automatic and detailed feedback to students for math practice on over 1400 different math problem types. Given the current health crisis, this immediate feedback is more important than ever. This session will cover the basics of creating assignments and viewing student results. We will also discuss the newer features of DeltaMath Plus that give the teachers a lot more flexibility in creating assignments: attaching videos to assignments, creating an online test and writing your own questions on DeltaMath.

To register for next week’s webinar, click here!

You can always check out past and upcoming Global Math Department webinars. Click here for the archives or get the webinars in podcast form!

You can also visit our new YouTube Channel to find videos of past sessions and related content.

From the Writing Team

Relationships in a Virtual Space 

As the Fall 2020 school semester blooms, my Twitter feed has been full of different educators mentioning different aspects of teaching during this pandemic. Mostly, it has been teachers airing their frustrations with virtual learning. And rightfully so. Teaching is already a tough job without the added layer of navigating and learning the virtual world. Every time I read a Tweet about how to take virtual attendance or students not turning on their cameras while in a Zoom class, all I can think about is one word – relationship.

Rita Pierson said in her Ted Talk way back in 2013, “Kids don’t learn from people they don’t like.” This quote has stuck with me over the years. Over the past few years, sometimes when I was working with teachers, it would pop into my mind. Now, during 2020, I’ve been thinking about it in context of making sure students know they are accepted and that they matter.
A person I just recently started following on Twitter, Jennifer Binis (@JennBinis) is the master of #PairedTexts. She always has a way of putting two tweets or articles together that are related. The way she does it always has me thinking and learning. Taking that idea, here are two tweets I saw individually that have me really learning and thinking. I thought they might make good #PairedTexts.
The first tweet I saw was from Jose Vilson (@TheJLV) reacting to a news story in Houston where a teacher was put on leave for posting Black Lives Matter and LGBTQ posters in her virtual classroom.


Then just the other day I saw this thread from Idil Abdulkadir (@Idil_A_) where she is discussing her experiences with these types of posters and what they mean to the individuals we are trying to welcome by posting them.

Both of these Tweets still have me thinking about that one word again – relationship. Maya Angelou has this quote, “I’ve learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.”
One last tweet that I saw this past week was from Howie Hua (@howie_hua). In this thread Howie is sharing some things he has been doing in the virtual setting that his students say they appreciate. Perhaps within this thread is an idea for you to help with that one word – relationship.

by Amber Thienel (@amberthienel)


Who will you speak for & who will speak for you? [@benjamindickman]

[Preliminary note: Shout out to Christelle Rocha who is now an “alum” of the GMD Newsletters. Her contributions are worth re-reading through the GMD website; in some sense, her work speaks for itself. In another, I’m happy to speak personally: Christelle’s writing is excellent, and has strengthened the newsletter team that I was a part of last year. Her contributions to the GMD Solidarity Statement were also nontrivial. And: This does mean we need to find another GMD Newsletter writer. Last week, we had one guest contributor on Hollaback!; this week, another group contributes on #TMWYF. I think I have located someone to join this newsletter team thereafter; we will see in 3 weeks!

The title of this entry is a reference to this piece of writing.

About two months ago, Dave Kung tweeted a link to an AMS blog post:

Last week, Ian Agol linked to a Nautilus piece in the following thread:
Notice in the second tweet from Agol’s thread that there is a mention of mathematical objects named for a (literal, enthusiastic) nazi. Unlike the Nautilus piece, the AMS blog post mentions Oswald T’s affiliation with nazis quite clearly. This all got me thinking about Laurie Rubel’s tweet from earlier in the summer:
What do you think was the response to Agol’s mention of Oswald T the nazi? Here are 4 sample responses (names blurred other than the, IMO, very reasonable suggestion from David Savitt):



Well, I will go out on a branch here and say: Stop using nazi names & keep speaking out against nazis. This generalizes to other hate groups, too. Speak out! And do it now.

by Benjamin Dickman [@benjamindickman]

#TMWYF: Talk Math with Your Friends 

In March 2020, in response to a sense of loss of both mathematics and community, we created an online math colloquium series we call Talk Math With Your Friends (#TMWYF). Our series features presentations on mathematics, math education, and other topics of interest to the broader math community. We have featured talks on research exposition, course design, pedagogical techniques, mathematical outreach, and more. As organizers, our goal is to cultivate a lively, friendly, interactive environment, and so each talk includes a few “featured friends” who remain unmuted to interact directly with the speaker during the talk. Some talks have utilized breakout rooms, polls, and other forms of interactivity. Many of the talks have been recorded and are available on the TMWYF YouTube channel.

Here’s a brief summary of just three highlights from TMWYF:

  • Disrupting Settler Colonial Mindsets in Mathematics (September 3): In the most recent talk, Dr. Belin Tsinnajinnie (@LoboWithACause) of Santa Fe Community College spoke about how ongoing Diversity and Inclusion initiatives in mathematics perpetuate the settler colonial mindsight by seeing Native people as resources to extract, rather than recognizing the already existing mathematics within or serving the goals of these communities.


  • Designing and Deploying “Math that Matters” (May 14): Professor Jessica Libertini (@DrMathL) of Virginia Military Institute spoke about a curriculum redesign project for mathematics courses at her institution. The attendees at TMWYF were able to participate in several group activities from the “Math that Matters” course.
  • From Clocks to Categories (June 25): Andrew Stacey (@mathforge) describes himself as “Mathematician: formally academic (differential topology), currently educational (secondary UK).” One of his aims is to bridge the gap between school mathematics and the mathematical ideas typically introduced in graduate-level coursework. In his talk, he showed how category theory can be accessible to students even early in their mathematical studies and how that perspective helps him and his secondary students.

We invite everyone to attend and enjoy TMWYF. At present, we meet over Zoom each Thursday afternoon 12:30PM Pacific/3:30PM Eastern. Information about our upcoming talks, including our Zoom link, abstracts of talks, and speaker information, is available on our website.
Additionally, if you have an idea for a talk, please send in an abstract! We welcome talks on any topic for a mathematically interested audience. We particularly encourage submissions from members of underrepresented communities and also from early career mathematicians. You can submit abstracts on our website.
The organizing team of TMWYF hopes you’ll join us. Our next talk on September 10th (3:30-4:30 Eastern, 12:30-1:30 Pacific) features Jessie Oehrlin (@numberdance), applied mathematics graduate student at Columbia University

  • Using Climate Models to Understand Stratosphere-Troposphere Interaction

    Earth’s atmosphere is a multi-scale, coupled, nonlinear system. We care about everything from clouds here and now to global temperature in 2100. The state of the atmosphere depends on ocean, land, and ice conditions as well as external factors like emissions. Nonlinearity means that information from initial conditions is near-useless after two weeks. And the atmosphere is really hard to do experiments on. It’s great. I’ll talk briefly about how different kinds of weather and climate models capture various temporal and spatial scales, with predictability coming from different sources. Then I’ll focus on the bottom two layers of the atmosphere, the troposphere and the stratosphere: how they interact, why their interaction affects our winter climate, and how we use models to answer our questions about them.

The Zoom link for this talk, and a calendar of future events, can be found on our website.

This article written by the current organizers of TMWYF:

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One thought on “This Week at Global Math – 9/8/20

  1. […] GMD readers that they are looking for other presenters: Check the previous GMD Newsletter from Sep 8 2020 for a TMWYF contribution. Who can you encourage to participate? [Note: I’ve also accepted an […]