You prioritize your work by when the deadline first and then importance of the task. If you have two tasks that are due by Tuesday but one is very viable to your company staying in business then you...
It depends on what your other priorities are. For example, work is near the top for me. Church, family, and school are a bit higher at the moment, but work is a close 4th. You just have to find what...
What works is different for everyone, but I recommend tackling the longest and/or most difficult portion first, while you have the most energy. If you get stuck, or just need to switch gears, you can...