Dices are extremely versatile and can be used to apply to any number of different games and all kinds of other situations. They are useful in gambling games and in games such as dungeons and dragons. You can even have die that have hundreds of different sides just to add some variety to your game rolls, more than the standard 6 or 12 that 1 or 2 dice would offer.
If you have a dream in which you are rolling dice, this dream basically means that you are going to make a big gamble soon. This does not mean that you are literally going to go out and gamble with money, but it does mean that in the future you are going to make a large judgment based on nothing but pure guesswork and hope that the outcome shows up in your favor. If it does not you could be seriously hurt in some way but if it does you will be rewarded greatly for your foresight. If you have a dream in which you see dice, you are basically a gambler and you have to hope that things start to go your way soon or you might get yourself into some trouble soon.
A dream about dice could also have to do with your luck in a certain situation in general. You are considering the different options that you have and what you can do to make sure that your luck does not turn out so negatively in the future. You want to have a better chance at life, and this is simply not cutting it for you.