Puzzles and Competitions
There are three types of materials related to puzzles and competitions listed below: a) external links to logic and math puzzles; b) external links to national math competitions and tests; and c) external links to state math competitions and tests. Only national state competitions with answers or solutions provided (for at least some tests) are included in the list. You may scroll to the desired category using the menu in the right sidebar.
Puzzles <back to top>
- NYT Sudoku Puzzles and Answers
The New York Times daily Sudoku puzzles (easy, medium, hard).
- Sudoku Puzzles and Answers
The Teacher's Corner provides free, printable Sudoku puzzles and answers.
- Logic and Numbers Puzzles and Answers
Printable-puzzles.com provides free logic and number puzzles.
- Khan Academy Brain Teasers
Khan Academy provides a small set of puzzles and brain teasers.
- Difficult Geometry Problems
Worlds 1st and 2nd Hardest Easy Geometry Problems. These are tough.
National Math Competition Problems <back to top>
The AMC and ARML links are annotated with appropriate symbols indicating how the problem sets can best be used: 
= competition-related problems; 
= extreme (harder) competition-related test questions.
- Mathematics Competition Test Directory
Amc.maa.org provides a directory of mathematics competitions test sites.
- AoPS directory of U.S. math competitions
Links to various national math competitions.
- AMC 10 Mathematics Competition Tests
AMC 10 math competition problems and solutions.
- AMC 12 Mathematics Competition Tests
AMC 12 math competition problems and solutions.
- American Regions Mathematics League entry at AoP
The ARML site is not yet secure. If you go there, the PDF test (linked on the left menu bar) for last year is included with answers at the end of each section. The included problems are competition-level or extreme competition-level.
State Math Competition Problems <back to top>
The following links are to a selection of state (and Canadian province) math competitions with problem sets for your own practice. In addition, many of the problem sets are useful for general high school course practice. Each description below is annotated with appropriate symbols indicating how the problem sets can best be used: = competition-related problems; = extreme (harder) competition-related test questions; 
= course-related test questions.
- Alabama HS Math Contest
PDF tests along with separate solutions files.
- Alberta HS Math Contest
PDF tests available via the link on the right-hand menu bar.
- Arkansas HS Math Test
PDF tests in multiple categories (algebra I and II, geometry, precalculus, statistics, and calculus). Answers are at the end of each test.
- Georgia (Kennesaw State Univ) HS Math Contest
PDF tests with separate answer files. The tests and answers are linked on the left side menu bar.
- Georgia (Columbus State Univ) HS Math Contest
PDF tests and solutions. Don't ignore the Ciphering tests; they're useful too.
- Louisiana (LSU) HS Math Contest
PDF tests in multiple categories (open, algebra/geometry, team) with separate answer files.
- Maryland (Univ of Maryland) Math Competition Tests
PDF tests and separate solutions.
- Mississippi Math Competition Tests
PDF individual and team tests with separate answer files.
- North Carolina state HS Math Contest
PDF files and solutions for the NC state math competitions.
- North Carolina regional HS Math Contests
Portal to the archives of the NC regional math competitions.
- North Carolina (UNCC) HS Math Contest
PDF files and separate solutions files.
- South Carolina HS Math Contest
PDF files with separate solution files.
- Tennessee (Austin Peay) Math Competition Tests
PDF files and separate answer key in multiple categories (algebra, geometry, statistics, precalculus, calculus and other topics) with separate answer key.
