| 2024-09-08 | Neighbor of Niger: Abbr. |
| 2022-04-09 | Land on the Med. |
| 2021-09-04 | Calculus prerequisite: Abbr. |
| 2021-03-28 | Quadratic formula subj. |
| 2020-01-07 | H.S. math class |
| 2018-09-02 | North African land: Abbr. |
| 2016-05-25 | Class with many unknowns: Abbr. |
| 2015-08-08 | What factoring is a factor in: Abbr. |
| 2014-05-05 | "Solve for x" subj. |
| 2013-12-22 | Some H.S. math |
| 2013-11-20 | Typical prerequisite to geom. |
| 2013-07-18 | N. Afr. nation |
| 2012-09-20 | N. Afr. land |
| 2012-08-22 | "Solve for x" subj. |
| 2012-06-10 | 7x - 6 = 2x^2 subj. |
| 2012-05-15 | Math subj. |
| 2012-02-08 | Course with many unknowns: Abbr. |
| 2011-07-21 | N. African land |
| 2011-05-19 | H.S. math course |
| 2011-02-02 | Class with many functions: Abbr. |
| 2010-12-29 | Medit. land |
| 2009-07-21 | Geom. prerequisite |
| 2009-07-13 | 2x + 5 = 15 subj. |
| 2009-02-18 | Subj. with unknowns |
| 2008-03-21 | It involves many unknowns: Abbr. |
| 2008-03-01 | H.S. subject |
| 2007-09-13 | Neighbor of Libya: Abbr. |
| 2006-11-19 | Some H.S. math |
| 2006-09-03 | Calc. prerequisite |
| 2006-08-23 | High sch. math |
| 2006-07-27 | Math subj. |
| 2006-07-20 | Math subj. |
| 2006-06-10 | It's full of x's: Abbr. |
| 2006-05-24 | Search for the unknown?: Abbr. |
| 2006-04-23 | H.S. class |
| 2006-01-12 | Subj. in which 2x + 3 = 9 is solved |
| 2005-09-29 | H.S. subject |
| 2005-02-06 | Follower of arith. |
| 2004-10-07 | Afr. country |
| 2003-08-21 | H.S. subj. |
| 2003-08-06 | H.S. math |
| 2003-06-19 | Math. class |
| 2003-01-13 | High school math: Abbr. |
| 2002-04-24 | H.S. class |
| 2002-01-19 | H.S. class |
| 2001-09-18 | H.S. math |
| 2000-10-22 | H.S. math |
| 2000-06-25 | H.S. subject |
| 2000-05-05 | H.S. subject |
| 1999-04-25 | Junior high subj. |
| 1999-01-06 | Math. course |
| 1998-03-17 | H.S. math |
| 1997-11-26 | H.S. math |
| 1997-11-23 | Math branch: Abbr. |
| 1997-09-28 | Afr. nation |
| 1997-06-16 | H.S. math |
| 1997-03-05 | High school subj. |
| 1996-12-25 | School subj. |
| 1996-09-07 | H.S. subject |