By providing hint sheets, this encourages a deeper understanding and thought process to be nurtured. The hint sheets provided should hopefully be enough to guide you towards the correct answer. A link to all the help sheets is included here also for each revision sheet.
Hint Sheet 1 Hint Sheet 6
Hint Sheet 2 Hint Sheet 7
Hint Sheet 3 Hint Sheet 8
Hint Sheet 4 Hint Sheet 9
Hint Sheet 5 Hint Sheet 10