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There is nothing worse than getting a question marked as incorrect simply because the teacher couldn’t read your handwriting. Remember that your teacher has many tests to grade, so the less time s/he has to spend grading your test, the happier s/he will be and this might reflect in his or her grading choices.   For example, drawing spaghetti-line intersecting lines from column A to column B is likely to be marked down by a teacher who also has 74 other tests to mark. Similarly, print don't write; you don’t want to get something marked wrong just because the teacher can’t decipher your sloppy handwriting. Don't make your Ts look like Fs; spell out True and False. You might get partial credit, if you did everything right but just made a silly mistake right at the end. Partial credit is always better than no credit. So show your work as you go so your teacher can see that you know at least some of the material and got it right. This step is only useful for solving math questions on an exam. Keep a rhythm of underlining words you don't know and circling questions that you get stuck on. Never come to a complete halt – you should always be writing, reading, or turning a page.  The important thing is not to get frustrated and just quit. You only have a limited amount of time, so you need to make every moment count. If you struggle with a particular problem or section, skip it! You can always come back to it later. And this way you’ll be making the most of your time to ensure you get through the entire test. A good rule of thumb to follow when writing an essay for an exam is the rule of three. It usually works better to discuss (or list or...) three things about the subject. Include many more and you get bogged down in too much detail. Any fewer and you are probably leaving something important out. It is important to move through the test in a way that will benefit you and make the most of the time you have. Don’t just start the test and hope you finish in time. If you have both multiple choice and essay questions, do this:  Read the essay questions first. Write down any notes, but, do not answer them yet. Begin answering the multiple choice questions. While you are doing so, your brain will be gathering information contained in these questions that will help you answer the essays. If needed, write brief notes that you can use later for the essays. Once you have all the multiple choice questions answered (and, you will have checked one box for each of them), then do the essay questions, beginning with the easiest. When it comes to multiple choice questions, it is always better to guess than to leave it blank. A blank answer is an automatic wrong answer, while a guess (especially an educated guess) gives you at least a chance at getting it right. Here are some tips for answering multiple choice questions:  The longest answer is usually the correct answer because the correct answer requires more qualifying language to be indisputably correct than the incorrect answers.  Answers that contain words like always or never are almost always incorrect because most truths don’t exist as absolutes. Try eliminating one or two answers that you know for a fact are wrong. There is almost always one answer that is obviously incorrect and then another one or two that you can guess about. Eliminating wrong answers will greatly increase your chances of guessing the right answer from the remaining choices. Pay attention to the answers of surrounding questions. Even randomly generated tests tend to not repeat answers often. So, if you know the answer to number 1 is A and the answer to number 3 is also A, it is highly unlikely that the answer to number 2 will be A as well.
Make it easy for the teacher to grade your test. Show intermediate results. Go through the test steadily. Remember the rule of three. Work strategically. Answer multiple choice questions smartly.