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Concord Academy

Math Club


Each week Mondays at 6:30 in LABS 111 for recreational math and Thursdays at 6:30 in LABS 111 for math for competitions.  Everyone is welcome to attend every week or just once if you want to check it out.  Please reach out to a friendly cohead or advisor if you have questions.




Student Officers:

Jason He & Raphi Kang.


Faculty or Staff Advisors:

Shawn Bartok


Recent work:

We plan to attend the Harvard MIT Math Tournament in November!  Please email any of the faculty advisor(s) or cohead(s) with questions or for more information.



List of summer math camps US​ (word doc)​​​

List of summer math camps in US (pdf)


Current Problem of the Fortnight:

Four interlocking squares (pictured below) enclose ten regions.  Each region is to be assigned a number ranging from 1 to 10.  Each number will be used exactly once and the sum of the numbers inside a square will be the same as the sum of the numbers in each other square.

square sodoku ish.png

What number is in the region marked by the question mark?

Solutions are due by 3:15 PM on 9/25.  Please direct all solutions to Shawn Bartok (office 212).