If dreamed you that at examination you forgot the material learned by you, then in reality is not enough for you self-confidence and own forces that it becomes frequent the reason of many troubles. If in a dream you successfully take examination, then it is possible that in life you are considered the loser though you do not agree with it. Just at everyone the way and the scale of values. The dream in which you use cribs at examination, means that you decided to get involved in a certain adventure. If you managed to use a crib, then in reality everything will turn back successfully. If the crib only spoiled everything, then think of correctness of risk.
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.