USAMTS Home

Year 24 (2012-13)

Round Problems Solutions
Round 1
Round 2
Round 3

Year 23 (2011-12)

Round Problems Solutions
Round 1
Round 2
Round 3

Year 22 (2010-11)

Round Problems Solutions
Round 1
Round 2

Year 21 (2009-10)

Round Problems Solutions
Round 1
Round 2
Round 3
Round 4

Year 20 (2008-09)

Round Problems Solutions
Round 1
Round 2
Round 3
Round 4

Year 19 (2007-08)

Round Problems Solutions
Round 1
Round 2
Round 3
Round 4

Year 18 (2006-07)

Round Problems Solutions
Round 1
Round 2
Round 3
Round 4

Year 17 (2005-06)

Year 17 featured a special topic. Click here to read an article about Year 17's feature topic, expected value.

Round Problems Solutions
Round 1
Round 2
Round 3
Round 4

Year 16 (2004-05)

Round Problems Solutions LaTeX Source Files
Round 1 Round 1 LaTeX source file
Round 2 Round 2 LaTeX source file 
Round 3 Round 3 LaTeX source file and diagram 3Ddiagram.pdf
Round 4 Round 4 LaTeX source file and diagram Incircles2.pdf

In order to compile the LaTeX source files you will have to put them in a directory with the USAMTS_problems.sty file and the USAMTS logo file (click on the links to down load the files).

Past Years

Year 15 Round 1 (Quick answers and comments)
Year 15 Round 2 (Quick answers and comments)
Year 15 Round 3 (Quick answers and comments)
Year 15 Round 4 (Quick answers and comments)

Year 14 Round 1 (Solutions)
Year 14 Round 2 (Solutions)
Year 14 Round 3 (Solutions)
Year 14 Round 4 (Solutions)

Year 13 Round 1 (Solutions)
Year 13 Round 2 (Solutions)
Year 13 Round 3 (Solutions)
Year 13 Round 4 (Solutions)

Year 12 Round 1 (Solutions)
Year 12 Round 2 (Solutions)
Year 12 Round 3 (Solutions)
Year 12 Round 4 (Solutions)

Year 11 Round 1 (Solutions)
Year 11 Round 2 (Solutions)
Year 11 Round 3 (Solutions)
Year 11 Round 4 (Solutions)

Year 10 Round 1 (Solutions)
Year 10 Round 2 (Solutions)
Year 10 Round 3 (Solutions)
Year 10 Round 4 (Solutions)

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