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What we are all about

The Chicago Math Teachers' Circle is intended to be an opportunity for middle school math teachers to gather and solve problems together. We are part of the national Math Teachers' Circle Network and share their goals and philosophy. In the end our aim is to help teachers with the extremely difficult task of developing their students problem solving skills. However, we do not focus too directly on what will be done in the classroom. Instead, our aim is simply to give teachers the chance to solve interesting problems together. After all, how can you teach a skill that you don't practice? And besides, solving problems is great fun! If you are a teacher and this sounds like something you would be interested in, please email "chicagomathteacherscircle@gmail.com" for more information. You can also take a look at this explanation of our goals we wrote for the 2017 MAA meetings in Chicago.

Leadership team

Anne Agostinelli taught middle school math and algebra in the Chicago Public Schools from 2005-2015, where she also served as a teacher leader for the district and numerous committees. She currently serves as a senior mathematics coach for the Metro Chicago Mathematics Initiative at the University of Illinois at Chicago. She enjoys the energy problem solving evokes in teachers and students, and is very excited to do math with you!

John Del Greco has been a member of the Department of Mathematics at Loyola University Chicago since 1987. He has taught and done research in computer science, operations research, and graph theory.

Karin Lange is the assistant director for math programs at Loyola's Center for Science and Math Education. There she works on a number of projects aimed at supporting math teaching and learning in K-12 schools and in college. She also has extensive experience teaching a wide variety of students.

Casey McLeod Casey Mcleod has been with Chicago Public Schools since 2002. She has experience teaching both middle school math and algebra. Currently she works as a math specialist at Josephine Locke Elementary.

Brian Seguin joined Loyola University Chicago as an Assistant Professor of Mathematics in 2015. Brian's research uses techniques from geometry and analysis to study problems in material science and biology. He also teachers a wide range of math classes.

Peter Tingley has been an assistant professor at Loyola University Chicago since 2012, where he teaches a wide range of math class. He has been involved in math circles since 2006, and has run sessions in 6 different circles. Most of all, he loves to solve problems!

Adriano Zambom joined Loyola University Chicago as an Assistant Professor of Mathematics in 2015. He studies and teaches all kind of interesting statistics.


We are now taking applications for our 2017-2018 academic year program. This will consist of 4 meetings over the academic year (2 in the fall and 2 in the spring, dates to be finalized soon). All meetings will be 4:30-7:00 on Tuesdays, and will include dinner. If you are interested, please follow the link below and fill in the (short) application form. We will consider applications on a rolling basis until the program is full.

Registration form for 2017-2018 program


Please RSVP for meetings at your earliet convinience.
Location: Loyola University Chicago, Lakeshore campus. IES room 111 (building 38 on the campus map, although room 111 is much closer to BVM hall, which is building 37).

Our 2016-2017 program is over. Information about the sessions is available here.

Oct. 3, 2017, 4:45-7pm:

  • Facilitators: Peter Tingley
  • Topic: Problem solving!
  • It has been three years since we really exlained what our math circle is about, and most of you weren't at that session. Also, our opinions have evolved. So we are going have another go at introducing problem solving! But don't worry, I'm going to use all new problems, so if you were at the previous session it should seem completely different.
    Dec. 5, 2017, 4:45-7pm:
  • Facilitators: Brian Seguin and Peter Tingley
  • Topic: NIM and other related games.

  • Feb 6, 2018, 4:45-7pm:
  • Facilitators: Amanda Harsy (Lewis University)
  • Topic: Liar's Bingo

  • April 10, 2018, 4:45-7pm:
  • Facilitators: Karin Lange and Emily Peters
  • Topic: TBA

  • Please RSVP here.


  • Contact: chicagomathteacherscircle@gmail.com.
  • Map: http://www.luc.edu/media/lucedu/lsc.pdf
  • Parking: You should park in the main parking structure, (called P1 on the campus map). Parking tickets will be validated at the meeting.
  • Extended Education Credits will be given. Please email us for details.

  • Sponsors