Welcome to Chattanooga Math Circle!

What is Chattanooga Math Circle?

There is a correlation between problem solving and the learning process of mathematics. Strong problem solving skills have considerable effect in transforming a mathematics enthusiast into an exceptional researcher. Following the traditions of Russian and Eastern European math circles, Chattanooga Math Circle (CMC) is a creative enrichment program geared toward gifted middle and high school students. Its objectives are:

  • to provide an enriching and stimulating environment that encourages further involvement from students already interested in mathematics;

  • to promote mathematics to a wider audience and explain its impact and relevance for society;

  • to develop the mathematical background of students; and

  • to guide students towards promising careers in science, technology, engineering and mathematics (STEM) disciplines.

The CMC includes the following major components:

  • a series of mathematically intensive, expository seminars on a variety of pure, applied and computational mathematics topics designed to challenge top Chattanooga students;

  • special guest lectures that show students some of the ways mathematicians approach problems;

  • collaborative problem solving activities that focus on complex problems and advanced problem solving techniques; and

  • workshops on American Mathematics Competitions (AMC).

The CMC focuses on topics outside of what is typically covered in a middle and high school setting but accessible to the mathematically inclined students. These are as varied as advanced Euclidean geometry, elementary number theory, fractals, combinatorics, graph theory, probability, statistics, game theory and logic. Under the guidance and instruction of mathematics faculty and supported by graduate and undergraduate students in the field, students will have the opportunity to learn and explore a variety of effective problem solving strategies. Students can expect to be supported in an environment with events and activities that help them learn quickly and push outside their comfort zone, to grow their skills and gain valuable insights into various mathematical problems, and to have a lot of fun learning wonderful mathematics.

To learn more about math circles, please visit the National Association of Math Circles’ Wiki.


CMC People

The CMC instructors are faculty members and graduate and undergraduate students from The University of Tennessee at Chattanoooga (UTC) and Lee University:

  • Prof. Andrew Ledoan, UTC, Director

  • Prof. Roger Nichols, UTC, Co-Director

  • Prof. Cuilan (Lani) Gao, UTC

  • Prof. Debra Mimbs, Lee

We are currently recruiting:

  • Undergraduate Students (2 openings) 

If you wish to learn about opportunities at CMC, please send your request to Andrew-Ledoan@utc.edu.


Fall 2016 Schedule

The format of CMC is that of one and a half hours meeting, from 5:00 PM to 6:30 PM, occurring twice a month. The CMC will meet in Room 239 of the Engineering, Mathematics, and Computer Science Building (EMCS) starting on Thursday, September 15th and continuing until Thursday, December 8th.  After hours parking is free in Lot 10. Parents are welcome to use the UTC Library while their children are in class. Below is a picture of the common area on the first floor of the UTC Library.



The tentative Fall 2016 schedule is as follows:





Linear Difference Equations and Applications, Part I, Worksheet Solutions

Roger Nichols (UTC)


Oh the Places You Will Go: Becoming Well-Euled Mathematicians

Debra Mimbs & Laura Singletary (Lee University)


Explicit Methods for Solving Diophantine Equations, Part I, Worksheet Solutions

Andrew Ledoan (UTC)


Explicit Methods for Solving Diophantine Equations, Part II, Worksheet Solutions

Andrew Ledoan (UTC)


Mathematical Billiards: Playing Pool with Geometry and Topology

Jason Schmurr (Dalton State)


Adventures in Data Science, Worksheet Solutions

Cuilan (Lani) Gao (UTC)


Review Session for AMC 10/12 B

Roger Nichols & Andrew Ledoan (UTC) 


Spring 2017 Schedule

The tentative Spring 2017 schedule is as follows:





Gausss Congruence Relation, Worksheet Solutions

Andrew Ledoan (UTC)


Analytic Inequalities, Worksheet Solutions

Roger Nichols (UTC)


Fractal Geometry, Worksheet Solutions

Billy Jackson (UTC)


Data Analysis, Worksheet Solutions

Cuilan (Lani) Gao (UTC)


The Pigeonhole Principle, Presentation Slides, Pamphlet

Heunggi Park (Covenant College)


Domination in Graphs, Worksheet

Lucas Van der Merwe (UTC)



CMC Registration

The application for CMC consists of three steps, which must be completed by a parent or a legal guardian of the student. To be considered, all requested information must be provided.

Step 1: Please read the important rules below.

  • We will meet twice a month from 5:00 PM to 6:30 PM, starting September 15th.

  • If the student is younger than 16 years old, the student must be brought to the class and met after the class by an adult. For security reasons we cannot allow anyone younger than 16 years old to come without an adult.

  • Students should be in middle or high school (grades 7-10).

  • Students should bring their pens or pencils, notebooks and binders, and calculators to every class.

Step 2: Please complete by September 1st the online application form at the website http://goo.gl/forms/mRJ1oFbnyjMeXEz93.

Step 3: Please complete the release form and bring it to the first class.


Upcoming Mathematics Competitions

The AMC is a series of national mathematical competitions of increasing difficulty organized annually by the Mathematical Association of America. Participants are middle school and high school students. According to AMC, the competitions are intended for everyone from the average student at a typical school who enjoys mathematics to the very best student at the most special school. The AMC starts with AMC 8 and AMC 10/12, continues with the American Invitational Mathematics Examination (AIME) for students who qualify, and finishes with the United States of America Mathematical Olympiad (USAMO). The top participants in the USAMO are invited to take part in the Mathematical Olympiad Summer Program (MOSP), where a US team for the International Olympiad is selected.

The dates for the upcoming AMC contests are:

  • AMC 8 — Tuesday, November 15, 2016

    • 25 multiple choice questions in 40 minutes

    • AMC 8 is for grades 6, 7 and 8

  • AMC 10/12 A — Tuesday, February 7, 2017

  • AMC 10/12 B — Wednesday, February 15, 2017

    • 25 multiple choice questions in 75 minutes

    • AMC 10 is for grades 9 and 10 (top 2.5% nationally qualify for the AIME)

    • AMC 12 is for grades 11 and 12 (top 5% nationally qualify for the AIME)

Typically, students take AMC 10/12 B at their schools. However, if their school is not offering the test, they can now take it at UTC. For banks of AMC problems, visit the Art of Problem Solving’s AoPSolving Wiki website.



  • 10,000 students are invited (March)

  • 15 questions in 3 hours, each answer is an integer number 0-999



  • 500 students are invited (April)

  • 6 essay/proof questions in 2 days (9 hours)

  • 12 students are invited to the award ceremony in Washington, DC



  • 50 students are invited: IMO team (6 students), 2 alternates, 17 younger top students, 25 top

  • 3 to 4 weeks (intensive)



  • 6 students represent the USA

  • 6 essay/proof questions in 2 days (9 hours)