Math Magic Covering 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

Covering Squares
(September 2000)

updated 3/29/16

Circles Covering
Grid Rectangles
(March 2013)

updated 3/31/13

Packing Overlapping Circles
(August 2013)

updated 8/1/13

Tiling Enlargements
(September 2013)

updated 10/2/13

Smallest Square Overlaps
(October 2014)

updated 10/30/14

Tiling Rectangles
with Overlap
(December 2014)

updated 12/1/14

Covering a Grid
with Triangles
(June 2016)

updated 6/1/16

Cutting Disks to
Pack Two Disks
(November 2017)

updated 11/19/17

Covering Equal Squares with
Consecutive Squares
(August 2018)

updated 8/1/18

Crossing a Pond
(August 2019)

updated 8/26/19