Trial and improvement
| Paper | Question Topic | Written Solution | Video Solution |
|---|---|---|---|
| 2008-06-02 EdExcel 5540H-4H | Q07 Trial and improvement | Yes | No |
| 2009-06-01 EdExcel 1380-4H | Q09 Trial and improvement | Yes | No |
| 2009-11-10 EdExcel 1380-4H | Q14 Trial and improvement | Yes | No |
| 2010-06-11 EdExcel 1380-4H | Q08 Trial and improvement | Yes | No |
| 2011-06-11 EdExcel 1380-4H | Q12 Trial and improvement | No | Yes |
| 2012-03-05 EdExcel 1380-4H | Q06 Trial and improvement | No | No |
| 2012-06-13 EdExcel 1MA0-2H | Q11 Trial and improvement | No | Yes |
| 2013-03-04 EdExcel 1MA0-2H | Q08 Trial and improvement | No | Yes |
| 2013-06-14 EdExcel 1MA0-2H | Q10 Trial and improvement | No | Yes |