Math Magic 2020 Archive
Tiling Reptiles Packing Squares Circles Covering Touching Graphs Numbers Digits Matrices Chess Games Other
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Packing Circles in Squares
to Avoid Others
(January 2020)

updated 1/15/20

Tournaments to Sort Ability
(February 2020)

updated 2/1/20

Leaky Pitcher Problem
(March 2020)

updated 3/1/20

Packing Squares and Triangles
(April 2020)

updated 4/12/20

Packing Unions of Squares
(May 2020)

updated 5/29/20

Packing Squares
of Sides 1 and 2
(June 2020)

updated 6/1/20

Long Replacement Puzzles
(July 2020)

updated 7/1/20