Past Problems and Solutions

Welcome to the Problem of the Month archives!  Below you will find all of  the previous problems of the month (as well as their solutions) in a handy linked format.

Most Recent Problems

January 2016 Problem of the Month Solution (French)

December 2015 Problem of the Month Solution (French)


Older Problems

October 2008 Problem of the Month Solution

November 2008 Problem of the Month Solution

December 2008 Problem of the Month Solution

January 2009 Problem of the Month Solution

February 2009 Problem of the Month Solution

March 2009 Problem of the Month Solution

April 2009 Problem of the Month Solution

May 2009 Problem of the Month Solution

October 2009 Problem of the Month

October 2009 Problem of the Month Solution

November 2009 Problem of the Month

November 2009 Problem of the Month Solution

December 2009 Problem of the Month

December 2009 Problem of the Month Solution

January 2010 Problem of the Month

January 2010 Problem of the Month Solution

February 2010 Problem of the Month

February 2010 Problem of the Month Solution

March 2010 Problem of the Month

March 2010 Problem of the Month Solution

April 2010 Problem of the Month

April 2010 Problem of the Month Solution

May 2010 Problem of the Month

May 2010 Problem of the Month Solution

September 2010 Problem of the Month Solution

October 2010 Problem of the Month

November 2010 Problem of the Month

November 2010 Problem of the Month Solution

December 2010 Problem of the Month

December 2010 Problem of the Month Solution

January 2011 Problem of the Month

January 2011 Problem of the Month Solution

February 2011 Problem of the Month

February 2011 Problem of the Month Solution

March 2011 Problem of the Month

March 2011 Problem of the Month Solution

April 2011 Problem of the Month

April 2011 Problem of the Month Solution

May 2011 Problem of the Month

May 2011 Problem of the Month Solution

October 2011 Problem of the Month

October 2011 Problem of the Month Solution

November 2011 Problem of the Month

December 2011 Problem of the Month

January 2012 Problem of the Month

January 2012 Problem of the Month Solution

February_2012_Problem_of_the_Month

February 2012 Problem of the Month Solution

March 2012 Problem of the Month

March 2012 Problem of the Month Solution

April 2012 Problem of the Month

April 2012 Problem of the Month Solution

May 2012 Problem of the Month

May 2012 Problem of the Month Solution

October 2012 Problem of the Month

October 2012 Problem of the Month Solution

November 2012 Problem of the Month

November 2012 Problem of the Month Solution

December 2012 Problem of the Month

December 2012 Problem of the Month Solution

February 2013 Problem of the Month Solution

April 2013 Problem of the Month

April 2013 Problem of the Month Solution

May 2013 Problem of the Month

October 2013 Problem of the Month

October 2013 Problem of the Month Solution

November 2013 Problem of the Month

November 2013 Problem of the Month Solution