The following links include the problems and answer keys/full solutions from past Math Stars competitions, as well as some sample contests.

2015-2016 Sample Regional Competition (Gr. 6-8)

2016 Regional Competition (Gr. 6-8)

2016 National Championship (Gr. 6-8)

Beginning in the 2016/2017 school year, the Quiz Show Round is replaced with the Grit Round. The following archives and samples are all with the new contest format.

2016-2017 Sample Regional Competition (Gr. 6-8) (New Contest Format)

2016-2017 Regional Competition (Gr. 6-8) (New Contest Format)