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Set some time aside every day to get part of the fourteen units completed.

Do not try to do them all at once, but possibly three units, or two each day until they are done.

As for the upcoming quizzes, by getting the undone units completed, you will undoubtedly be preparing yourself for those quizzes as well.

Try to keep up in future: You must do the work, and you have to stop procrastinating, for your own good. It just doesn't get easier.

Good luck with your studies

I would suggest doing them in order (Older to newest) and do the easy questions first. Depending on what grade you are, i could also help (-Is a math nerd-) and for quizzes, just make sure to study every night half an hour before bed, and try to come up with things to help you remember. Like the < (Less than) symbol looks like an L. Or using anagrams. And for Foiling, you can use the window-method if you have trouble with it.

Maybe you can talk to your teacher, or a friend, or a parent, and ask for help? An easy way to just do it is to make a to-do list and list everything you need to do in the order that it all needs to be done. Then make a good study environment for yourself- a place that's comfortable (not too comfortable or you might fall asleep) and without distractions. It might be a library. Take breaks and reward yourself, maybe after each homework.

well, if you really want to get a good grade, then focus on that. do a couple of problems at a time then take a break. set a time or a date when you need everything done and then divide up the work each day until you get it done.