The first OU Math Day for high school students was held on November 17, 2001.
Here are the tests (and some answers) from previous years. All the files are in pdf format.
| Algebra I | Higher Algebra | Geometry | Trigonometry | Math Bowl | |
| 2001 | questions | questions | questions* | questions* | |
| 2002 | questions answers | questions answers | questions answers | questions answers | questions |
| 2003 | questions | questions | questions | questions | questions answers |
| 2004 | questions | questions | questions | questions | |
| 2005 | questions | questions | questions | questions | questions |
| 2006 | questions | questions | questions | questions | questions answers |
| 2007 | questions | questions | questions | questions | questions answers |