If you need to brush up on your Haskell:
1.1, 1.2, 1.6, 1.7, 1.8
If your Haskell skills are up to speed:
1.2.2, 1.7, 1.9, 1.10, 1.11, 1.12, 1.3
2.16, 2.19, 2.23, 2.24, 2.26,
3.1, 3.6, 3.8
4.18, 4.13, 4.20, 4.21, 4.22, 4.25, 4.26, 4.28
5.1, 5.2, 5.3, 5.5, 5.6
6.5, 6.6, 6.7, 6.8, 6.11, 6.14, 6.15, 6.16
7.7, 7.9, 7.10, 7.12, 7.13, 7.17
8.1, 8.2, 8.3, 8.6, 8.7 + Work through some old exams