Study sets matching "gmat math review"

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Study sets matching "gmat math review"

37 terms
GMAT prep - Math review
for any 2 sets A and B, the UNION of A…
the intersection of A and B is.
the union is denoted by
the intersection is denoted by
the set of all elements that are in A or in B or in both
the set of all elements that are in both A and B
A U B
A (upside down U) B
for any 2 sets A and B, the UNION of A…
the set of all elements that are in A or in B or in both
the intersection of A and B is.
the set of all elements that are in both A and B
GMAT: Math Review
11²
13²
14²
16²
121
169
196
256
11²
121
13²
169
25 terms
GMAT Math Review
How do you find the surface area of a…
How do you find the volume of a rectan…
Surface Area Example: (draw it out and…
Volume Example:... Find the Volume of a R…
Calculate the areas of each side and add them up.
Volume = length · width · height... or... Volume = (area of base) ·…
Answer: ... SA = 2(3·4) + 2(3·8) + 2(4·8) = 136... multiply each ar…
Answer:... V = 3 · 4 · 8 = 96
How do you find the surface area of a…
Calculate the areas of each side and add them up.
How do you find the volume of a rectan…
Volume = length · width · height... or... Volume = (area of base) ·…
GMAT - Math Review
Adding & Subtracting fractions
Multiplying fractions
Dividing fractions
Exponent properties positive
Must have a common denominator
a/b x c/d = ac/bd
(a/b)/(c/d)=a/b x d/c = ad/bc
Raising a positive fraction less than 1 to a positive exponen…
Adding & Subtracting fractions
Must have a common denominator
Multiplying fractions
a/b x c/d = ac/bd
179 terms
GMAT Quantitative Review - Math Rules
P.E.M.D.A.S.
Numerator
Denominator
Mixed Number
Rule for Order of Operations.... Order = P > E > M & D (L to R)…
Top # of a fraction = "part".
Bottom # of a fraction = "whole".
Number made up of both an integer and a fraction.
P.E.M.D.A.S.
Rule for Order of Operations.... Order = P > E > M & D (L to R)…
Numerator
Top # of a fraction = "part".
31 terms
GMAT Math Review
standard deviation
formula for solving: S = {A, B, C, D,…
exponent rules: (x^r)(x^s) =
exponent rules: (x^r)/(x^s) =
1) calculate the mean... 2) find the difference between the mean…
n! / (k!(n-k)!)... =5! / (2!*3!)... =120 / 12... =10
x^(r+s)
x^(r-s)
standard deviation
1) calculate the mean... 2) find the difference between the mean…
formula for solving: S = {A, B, C, D,…
n! / (k!(n-k)!)... =5! / (2!*3!)... =120 / 12... =10
GMAT Math Review
Integer
Prime number
Factor/Divisor
Quotient
Whole number (not fraction)
Positive number can only be divided by self and 1
Number that can be divided into another number
How many timex a number can be divided into another
Integer
Whole number (not fraction)
Prime number
Positive number can only be divided by self and 1
GMAT Math Review
121
144
169
196
11²
12²
13²
14²
121
11²
144
12²
GMAT Math Review
0!
P(E)
P(E) = # of outcomes/ total # of possi…
Rules of Exponents
1! = 1
the probability that an event occurs, a number between 0 and…
P({1,3,5}) = |{1,3,5}|/6 = 3/6 = 2
Where "x" and "y" are any positive number, and "r" and "s" ar…
0!
1! = 1
P(E)
the probability that an event occurs, a number between 0 and…
GMAT Math Review
Integer
Quotient
Remainder
Even integer
Whole number, can be negative or positive. In order to be div…
28 = (8)(3)+4... What is 3?
28 = (8)(3)+4... What is 4?
An integer divisible by 2
Integer
Whole number, can be negative or positive. In order to be div…
Quotient
28 = (8)(3)+4... What is 3?
GMAT Math Review
If x and y are integers and x /= 0, th…
If x and y are integers and x /= 0, th…
different way to find remainders of x…
what is the remainder of 28/8?
xn... (some integer n)
divisor
y = xq + r
28 = (8*3) + 4... remainder = 4
If x and y are integers and x /= 0, th…
xn... (some integer n)
If x and y are integers and x /= 0, th…
divisor
823 terms
GMAT Math
1/2
1/3
1/4
1/5
.5
.333
.25
.2
1/2
.5
1/3
.333
79 terms
GMAT Math
Dividing by 5
double and halving
squaring shortcuts
doubling an area of a square and how t…
1. if a number is divisible by 5 you can always multiply it b…
1. if you have 2 numbers that need to be multiplied and one i…
1. multiples of ten are easy. you just multiply the base unit…
Mupltiply the origional sum by 8 which is 2^3
Dividing by 5
1. if a number is divisible by 5 you can always multiply it b…
double and halving
1. if you have 2 numbers that need to be multiplied and one i…
634 terms
GMAT Math
Area of a circle
Circumference
Volume of Cylinder
Volume of sphere
π * r^2
2 π * radius
height π *r^2
4/3 π *r^3
Area of a circle
π * r^2
Circumference
2 π * radius
823 terms
GMAT Math
1/2
1/3
1/4
1/5
.5
.333
.25
.2
1/2
.5
1/3
.333
102 terms
GMAT Math
6/8
5/4
7/4
1/8
.75
1.25
1.75
.125
6/8
.75
5/4
1.25
42 terms
GMAT Math
Compound Interest
Area of a Triangle
Area of a circle
Find the original price if given the t…
Compound interest is interest calculated on the initial princ…
The area of a triangle is 1/2bh
The area of a circle is pi x radius squared
X= Original Price = 100%... New Price/X+Percentage= X... Example:…
Compound Interest
Compound interest is interest calculated on the initial princ…
Area of a Triangle
The area of a triangle is 1/2bh
22 terms
GMAT Math
Integer... Positive Integer / Negative In…
Sum of the angles of a triangle is?
a - b = - (b - a)
Multiples
is a number that can be written without a fractional componen…
180
...
Multiple of 3 are 3 (=3 1), 6 (=3 2), 9(=33), 12(=34),…
Integer... Positive Integer / Negative In…
is a number that can be written without a fractional componen…
Sum of the angles of a triangle is?
180
GMAT-Math Review
An integer whose only factors are 1 an…
What is the smallest and only even pri…
T/F: Every positive number can be fact…
What is the smallest member of the com…
prime number
2
True
Least common multiple
An integer whose only factors are 1 an…
prime number
What is the smallest and only even pri…
2
161 terms
GMAT MATH
Absolute Value
General rule about variables
0^x
1^x
-Generally have two solutions... -+/-... -isolate expression in bra…
if you need to solve for n variables you need n equations
0
1
Absolute Value
-Generally have two solutions... -+/-... -isolate expression in bra…
General rule about variables
if you need to solve for n variables you need n equations
GMAT Math I
180°
a = a... b = b
c = c... d = d
180°
a + b =
Congruent angles?
Congruent angles?
c + d =
180°
a + b =
a = a... b = b
Congruent angles?
19 terms
GMAT Review of Basic Math Terms
Consecutive
Difference
Digits
Distinct
In natural order, one after the other
The result of subraction
0-9, the numbers on a phone pad
Different
Consecutive
In natural order, one after the other
Difference
The result of subraction
GMAT MATH
Distance Formula
Area of Circle
Perimeter of Circle
Length of Circle Sector
Distance Formula
Area of Circle
88 terms
GMAT MATH
interior angles
exterior angles
area of a triangle
a+b=180
x+y+z= 180
a+b+c=360
a=1/2baseXheight... sum of any two sizes > 3rd side
interior angles
x+y+z= 180
exterior angles
a+b+c=360
GMAT math
25%
75%
125%
175%
1/4
3/4 or 6/8
1.25 or 5/4
7/4 or 1.75
25%
1/4
75%
3/4 or 6/8
40 terms
GMAT Math
sqrt(2)
sqrt(3)
sqrt(5)
13^2
1.4
1.7
2.25
169
sqrt(2)
1.4
sqrt(3)
1.7
428 terms
GMAT Math
Area of a circle
Circumference
Volume of Cylinder
Volume of sphere
π * r^2
2 π * radius
height π *r^2
4/3 π *r^3
Area of a circle
π * r^2
Circumference
2 π * radius
37 terms
GMAT MATH Formulas
Distance
Basic Probability Formula
Probability of Both things happening
Probability of one or the other thing…
Rate x Time = Distance
Number of outcomes you want / total number of possible outcomes
Probability A x Probability B = Both things happening
Probability A + Probability B = One or the other thing happen…
Distance
Rate x Time = Distance
Basic Probability Formula
Number of outcomes you want / total number of possible outcomes
110 terms
GMAT MATH
numerator
denominator
more than 5
less than 5
分子
分母
>5
<5
numerator
分子
denominator
分母
99 terms
GMAT Math
13 squared
14 squared
15 squared
25 squared
169
196
225
625
13 squared
169
14 squared
196
GMAT math
Prime numbers (up to 20)
-3^2
X^2 = 16... Is x + or -?
(Negative)^odd is + or -?
2, 3, 5, 7, 11, 13, 17, 19
= 9
Either. Both -4 and +4 are correct.
Negative number
Prime numbers (up to 20)
2, 3, 5, 7, 11, 13, 17, 19
-3^2
= 9
66 terms
GMAT Math
1/8
3/8
5/8
7/8
0.125 = 12.5%
0.375 = 37.5%
0.625 = 62.5%
0.875 = 87.5%
1/8
0.125 = 12.5%
3/8
0.375 = 37.5%
27 terms
GMAT MATH
substition
integer
even integer
odd integer
替换,代替
整数
偶数
奇数
substition
替换,代替
integer
整数
13 terms
GMAT Math
axes
diagonal
decimal
product
n. 轴线;轴心;坐标轴;斧头(axe的复数)
對角線
小數
乘積
axes
n. 轴线;轴心;坐标轴;斧头(axe的复数)
diagonal
對角線
823 terms
GMAT Math
1/2
1/3
1/4
1/5
.5
.333
.25
.2
1/2
.5
1/3
.333
106 terms
GMAT MATH
X^a x X^b
X^a/X^b
(X^a)^b
X^a x Y^a
X^(a+b)
X^(a-b)
X^(axb)
(X x Y)^a
X^a x X^b
X^(a+b)
X^a/X^b
X^(a-b)
823 terms
GMAT Math
1/2
1/3
1/4
1/5
.5
.333
.25
.2
1/2
.5
1/3
.333
823 terms
GMAT Math
1/2
1/3
1/4
1/5
.5
.333
.25
.2
1/2
.5
1/3
.333
GMAT Math
Surface Area of a Rectangular Solid
Surface Area Cylinder
11^2
12^2
2(lw+lh+wh)
2piR^2+2piRH
121
144
Surface Area of a Rectangular Solid
2(lw+lh+wh)
Surface Area Cylinder
2piR^2+2piRH
GMAT Math
Surface Area of a Rectangular Solid
Surface Area Cylinder
11^2
12^2
2(lw+lh+wh)
2piR^2+2piRH
121
144
Surface Area of a Rectangular Solid
2(lw+lh+wh)
Surface Area Cylinder
2piR^2+2piRH
GMAT Math
1/2
1/3
1/4
1/5
.5
.333
.25
.2
1/2
.5
1/3
.333
GMAT Math
1/3 as a Decimal and Percent?
3/10 as a Decimal and Percent?
1/4 as a Decimal and Percent?
1/5 as a Decimal and Percent?
.333 & 33.33..%
.3 & 30%
.25 & 25%
.2 & 20%
1/3 as a Decimal and Percent?
.333 & 33.33..%
3/10 as a Decimal and Percent?
.3 & 30%
152 terms
GMAT - General Math Rules
Divisible by 2 if
Divisible by 3 if
Divisible by 4 if
Divisible by 5 if
Even
Sum of the integer's digits are divisble by 3
integer is divisible by 2 twice or the last two digits are di…
integer ends in 5 or 0
Divisible by 2 if
Even
Divisible by 3 if
Sum of the integer's digits are divisble by 3
Simple Math Rules - GMAT
Rhombus Rules
Area of Rectangle
Perimeter of Rectangle
Area of Square
LxW
2L + 2W
L Squared
Rhombus Rules
Area of Rectangle
LxW
GMAT Math - Geometry
180°
a = a... b = b
c = c... d = d
180°
a + b =
Congruent angles?
Congruent angles?
c + d =
180°
a + b =
a = a... b = b
Congruent angles?
GMAT MATH
Consecutive integers
Quotient
Arithmetic mean
diagonal
连续整数
average
对角线
Consecutive integers
连续整数
Quotient
126 terms
GMAT MATH
To withdraw
Annum
reminiscent of
to exploit
Visszavon, felvesz
Évi
emlékeztető, emlékeztet vmire
kihasználni, kizsákmányolni, ~utilise
To withdraw
Visszavon, felvesz
Annum
Évi
168 terms
GMAT Math Rules
Divisible by 2 if
Divisible by 3 if
Divisible by 4 if
Divisible by 5 if
Even
Sum of the integer's digits are divisble by 3
integer is divisible by 2 twice or the last two digits are di…
integer ends in 5 or 0
Divisible by 2 if
Even
Divisible by 3 if
Sum of the integer's digits are divisble by 3
37 terms
GMAT Math I
180°
a = a... b = b
c = c... d = d
180°
a + b =
Congruent angles?
Congruent angles?
c + d =
180°
a + b =
a = a... b = b
Congruent angles?
5 terms
GMAT Math
1/2
1/4
3/4
1/3
0.5
0.25
0.75
0.33
1/2
0.5
1/4
0.25
1 of 10