make your preferences according their(task) importance, then start work on a single task in one time,without thinking about others, and if you have limited time for all task then give time to each and ever task according their nature... and main thing be calm and cool in doing any task, you will manage in better way then,

The most urgent one. If a fire suddenly breaks out, then putting it out comes first. If you are ill, then taking care of yourself comes first before anything else. Make a list of the things you need to do. Sometimes seeing what you have to do makes it easier to prioritize. It also feels good when you are able to start scratching things off the list.

i think its not a matter of prioritizing, but more on managing your time well.

You have to do a schedule about your chores, because if you stay only with one thing; you will be easily distracted and you won't advance anything.

I do the simplest ones which can be done in short time first because I feel distracted when too many things in my mind