TAILIEUCHUNG - Master the Gre 2010 - Part 18

Peterson's Master the Gre 2010 - Part book includes 9 full-length practice tests , thorough reviews of every section on the exam, and expert tips and strategies from a test prep pro. GRE (Graduage Record Examination General Test) is a commercially-run standardized test and an admission requirement for many graduate schools in USA and other English-speaking countries. GRE can earn you between 200-800 points. | Chapter 7 Problem Solving 153 How complex is this question How many steps are involved in solving it Does it require setting up equations or does it require merely a few quick calculations Do I have a clue off the top of my head how I would begin solving this problem Determine how much time you re willing to spend on the problem if any. Recognizing a toughie when you see it may save you valuable time if you don t have a clue take a guess and move on. Step 2 Size Up the Answer Choices Before you attempt to solve the problem at hand examine the answer choices. They can provide helpful clues about how to proceed in solving the problem and what sort of solution you should be aiming for. Pay particular attention to the following Form Are the answer choices expressed as percentages fractions or decimals Ounces or pounds Minutes or hours If the answer choices are expressed as equations are all variables together on one side of the equation As you work through the problem convert numbers and expressions to the same form as the answer choices. Size Are the answer choices numbers with extremely small values Greater numbers Negative or positive numbers Do the answer choices vary widely in value If they re tightly clustered in value you can probably disregard decimal points and extraneous zeros when performing calculations but be careful about rounding off your figures. Wide variation in value suggests that you can easily eliminate answer choices that don t correspond to the general size of number suggested by the question. Other distinctive properties and characteristics Are the answer choices integers Do they all include a variable Do they contain radical signs roots or exponents Is there a particular term expression or number that they have in common Step 3 Look for a Shortcut to the Answer Before plunging headlong into a problem ask yourself whether there s a quick way to determine the correct answer. If the solution is a numerical value perhaps only one answer choice is .

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