If you study without the tags, you don't need them.
Pages you need to remember:
3 - 106
4 - 3
4 - 4
Chapter 5 (easy to flick through)
2 - 2A
Cruie tables
Highlight important info in chapter 1 and flick through to it.
If you havn't memorised these back to front by the time you get to the exam, you havn't studied enough.