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Having trouble remembering your GRE math formulas on the fly? This free, downloadable GRE math formulas cheat sheet should help you! We’ll show you how to incorporate this GRE resource<\/a> into your Quant prep below.<\/p>\n Although memorizing a GRE math formula<\/a> (or twelve) isn’t the only way to study for GRE Quant, knowing certain frequently-tested formulas by heart will help you improve your speed on test day. Once you learn these formulas, be sure to practice using them! A little timed practice can go a long way. <\/p>\n Download our printable GRE math formulas cheat sheet PDF<\/a> and read on to learn a little bit more about what to expect from the math section of the GRE.<\/p>\n <\/p>\n <\/a><\/p>\n <\/a><\/p>\n Memorizing this GRE math formula cheat sheet is just the first step to mastering GRE math. Knowing which math formulas to use, then using them quickly and correctly, can really help you do well on GRE quant. <\/p>\n The GRE Quantitative Reasoning section tests concepts that you likely learned during sophomore and\/or junior year of high school. These concepts DO NOT INCLUDE higher level math like trigonometry, calculus, or geometry proofs. They DO INCLUDE things you’ve probably long forgotten like properties of shapes, integer properties, exponent rules, and word problems. <\/p>\n The thing that takes these concepts to the GRE level is their complexity. Figuring out what each question is asking you to accomplish can be really tricky, whereas the math involved in solving them tends to be fairly straightforward. And you won’t get partial credit for showing your work, so picking the correct answer choice is very important! So study up the GRE math formulas cheat sheet<\/a> and then practice using the formulas so you will know when they pertain to a question.<\/p>\n <\/a><\/p>\n Here are the most important GRE math formulas to know and practice before exam day!<\/p>\n Squares<\/strong> \\(nCr={n!}\/{r!(n-r)!}\\) <\/p>\n \\(nPr={n!}\/{(n-r)!}\\)<\/p>\n n is the total number, r is the number you are choosing \\(\\text{Average}=\\frac{\\;\\text{sum of n numbers}}{n}\\) \\(\\text{Probability of event}=\\frac{\\;\\text{number of ways that fit the requirement}}{\\text{number of total ways}}\\)<\/p>\n Percent Increase<\/strong> Percent Decrease<\/strong> Simple Interest<\/strong> Compound Interest<\/strong> \\(D=rt\\), \\(Distance=Rate*Time\\)<\/p>\n The Distance Formula<\/strong> \\(y=mx+b\\)<\/p>\n <\/a><\/p>\n 1. Point A in the xy-coordinate system is shown below. Given two other points B (4a, b) and C (2a, 5b), what is the area of triangle ABC in terms of a and b?![](\"https:\/\/magoosh.com\/gre\/files\/2024\/04\/Group-345.png\")
<\/a><\/p>\nTable of Contents<\/h2>\n
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How to Use the GRE Math Formulas Cheat Sheet<\/h2>\n
Important GRE Math Formulas to Know<\/h2>\n
Geometry<\/strong><\/h3>\n
\n\\(\\text{Perimeter}=\\text{4}\\times\\text{s}\\), where s = side
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\n\\(\\text{Area} = s^2\\)<\/p>\n
\nRectangles<\/strong>
\n\\(\\text{Area} = \\text{l}\\text{w}\\), where l = length and w = width
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\n\\(Perimeter = 2l+2w\\)<\/p>\n
\nTrapezoids<\/strong>
\n\\(\\text{Area}=\\frac{Base1+Base2}{2}\\times\\text{height}\\)<\/p>\n
\nPolygons<\/strong>
\n\\(\\text{Total degrees}=180(\\text{n}-2)\\), where n<\/em> = # of sides
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\nAverage degrees per side or degree measure of congruent polygon=\\( 180(n-2)\/n\\)<\/p>\n
\nCircles<\/strong>
\n\\(\\text{Area}=π\\text{r}^2\\)
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\n\\(\\text{Circumference}={2}{π}\\text{r}\\)
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\n\\(\\text{Arc Length}=\\frac{x}{360}\\times{2}{π}\\text{r}\\)
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\n\\(\\text{Area of sector}=\\frac{x}{360}\\times{π}{r^2}\\)
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\nTriangles<\/strong>
\n\\(\\text{Area}=\\frac{1}{2}\\times\\text{bh} \\)
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\n\\(\\text{Pythagorean Theorem}: a^2={b^2+c^2}\\)<\/p>\nDivisibility<\/strong><\/h3>\n
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Combinations and Permutations<\/strong><\/h3>\n
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\nRead more about Combinations and Permutations<\/a>.<\/p>\nPrime Numbers and Integers<\/strong><\/h3>\n
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Average<\/strong><\/h3>\n
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\n\\(\\text{Average speed}=\\frac{\\;\\text{total distance}}{\\text{total time}} \\)<\/p>\nProbability<\/strong><\/h3>\n
Percentages<\/strong><\/h3>\n
\n\\(\\frac{\\text{new amount-original amount}}{\\text{original amount}}\\times{100}\\)<\/p>\n
\n\\(\\frac{\\text{original amount-new amount}}{\\text{original amount}}\\times{100}\\)<\/p>\nInterest rate<\/strong><\/h3>\n
\n\\(V= \\text{P}({1+\\frac{rt}{100})}\\), where P is principal, r is rate, and t is time<\/p>\n
\n\\(V= \\text{P} (1+\\frac{r}{100n}) ^{nt}\\), where n is the number of times compounded per year<\/p>\nDistance, rate, time<\/strong><\/h3>\n
\n\\(\\sqrt{({x_2}-{x_1})^2+({y_2}-{y_1})^2}\\)<\/p>\nSlope of a line<\/strong><\/h3>\n
GRE Math Formulas Practice Problems<\/h2>\n
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