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GMAT Math: What you need to know
Posted by ian on Fri 19 Sep 08 at 3:55pm
GMAT Math: What do you need to know?
The Quantitative section of the GMAT measures, according to GMAC, 'basic mathematical skills'. Even so, the test can still cover a wide range of mathematical topics. Most of the mathematics on the GMAT is material students learn in high school or before, with the possible exceptions of Number Theory and Counting and Probability. Below is a list of most of the topics you will need to know for the GMAT:
BASIC ARITHMETIC AND PROPERTIES OF NUMBERS
Positive and Negative Numbers, and Zero
Integers
Fractions
Decimals
Arithmetic Operations (Addition, Subtraction, Multiplication, Division)
Exponents (including exponent rules)
Roots (including root rules)
NUMBER THEORY
primes and prime factorizations
divisibility
least common multiples and greatest common divisors
remainders
even and odd numbers
RATIOS AND PERCENTAGES
working with ratios
working with percentages, including percent increase and decrease
STATISTICS
mean, median and mode
range and standard deviation
numbers in arithmetic progression
ALGEBRA
single and multivariable linear equations
quadratic equations
other simple equations
inequalities
absolute value
GEOMETRY
properties of triangles (Pythagorean Theorem, similar triangles, etc)
properties of quadrilaterals
properties of circles
basic angle relationships
area and perimeter
distances in three dimensions, and volumes of cylinders and rectangular prisms
COORDINATE GEOMETRY
distances between points
midpoints
areas
slopes
equations of lines
parallel and perpendicular lines
x and y intercepts
intersection point or points of two curves or lines
COUNTING AND PROBABILITY
Venn diagrams
simple permutations and combinations
simple probability (including probability rules)
WORD PROBLEMS
two equation/two unknown problems
rate problems
speed/distance/time problems
mixture problems
weighted averages
other word problems based on counting, least common multiples, percentages, etc.
OTHER TOPICS
functions
sequences
data interpretation (reading charts, etc)
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What You Do NOT Need to Know
The GMAT is not a test of advanced mathematical knowledge. For example, you will not need to know:
Calculus (Derivatives, Integrals, Limits)
Logarithms
Trigonometry (Sines, Cosines, etc)
among many other topics.


