# Study sets matching "gre math"

Time per question: Sentence Equivalence

Time per question: Text Completion

Time per question: Reading Comprehension

Time per question: Quantitative Compari…

45 seconds

30-90 seconds, depending on the number of blanks

1 min 30 seconds; plan to complete a short passage (2 question…

1 min 15 seconds

Time per question: Sentence Equivalence

45 seconds

Time per question: Text Completion

30-90 seconds, depending on the number of blanks

Intergers

Real Number

PEMDAS

Commutative Property

Any counting number including negative numbers

Numbers that appear on the number line including pi, the squar…

1. Parentheses... 2. Exponents... 3. Multiplication/Division... 4. Addi…

a + b = b + a... A x B = B x A

Intergers

Any counting number including negative numbers

Real Number

Numbers that appear on the number line including pi, the squar…

Perfect Squares 1-15

Number is multiple of 12

Number is a multiple of 9

Slope given 2 points

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

The sum of the digits is a multiple of 3; the last two digits…

sum of the digits is a multiple of 9.

m= (Y2-Y1)/(X2-X1)... ex: (1,3); (5,6)... m = (6-3) / 5-1) = 3/4

Perfect Squares 1-15

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

Number is multiple of 12

The sum of the digits is a multiple of 3; the last two digits…

formula for distance problems

The Perimeter of a rectangle

The Perimeter of a Square

Area of a Parallelogram:

distance=rate×time or d=rt

P=2(l+w)

P=4s (s=side)

A=(base)(height)

formula for distance problems

distance=rate×time or d=rt

The Perimeter of a rectangle

P=2(l+w)

Perfect Squares 1-15

Number is multiple of 12

Number is a multiple of 9

Slope given 2 points

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

The sum of the digits is a multiple of 3; the last two digits…

sum of the digits is a multiple of 9.

m= (Y2-Y1)/(X2-X1)... ex: (1,3); (5,6)... m = (6-3) / 5-1) = 3/4

Perfect Squares 1-15

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

Number is multiple of 12

The sum of the digits is a multiple of 3; the last two digits…

simple interest equation

compound interest equation

Work Rates

Area of a circle

where P is principal, r is rate and t is time

where n is the number of times compounded per year

where T is the time to completion of a task when two workers a…

simple interest equation

where P is principal, r is rate and t is time

compound interest equation

where n is the number of times compounded per year

Ratio

For every 40 games a baseball team play…

x%

A vintage bowling league shirt that cos…

The amount of one object compared to the amount of another.

12:28 = 6:14 = 3:7

x/100

$20 *.85 = $17

Ratio

The amount of one object compared to the amount of another.

For every 40 games a baseball team play…

12:28 = 6:14 = 3:7

formula for distance problems

The Perimeter of a rectangle

The Perimeter of a Square

Area of a Parallelogram:

distance=rate×time or d=rt

P=2(l+w)

P=4s (s=side)

A=(base)(height)

formula for distance problems

distance=rate×time or d=rt

The Perimeter of a rectangle

P=2(l+w)

Percent

Percent Increase

Percent Decrease

common multiple of 2 numbers

part = percent X whole

Amount of Increase/Original Whole X 100%

amount of decrease/original whole X 100%

prime factor both numbers; multiply each factor the greatest n…

Percent

part = percent X whole

Percent Increase

Amount of Increase/Original Whole X 100%

Primes

Pythagorean triples

Greatest Common Factor/divisor

Area of a parallelogram

2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59

(3, 4, 5)... (5, 12, 13)... (8, 15, 17)... (7, 24, 25)

biggest factor shared by 2 numbers -- easiest way to find is t…

A=bh

Primes

2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59

Pythagorean triples

(3, 4, 5)... (5, 12, 13)... (8, 15, 17)... (7, 24, 25)

Arithmetic Mean

Average

Chord

Composite Number

the mean obtained by adding several quantities together and di…

a quantity, rating, or the like that represents or approximate…

Geometry. the line segment between two points on a given curve.

Natural number that has more than two factors. Example: 6, 1•6…

Arithmetic Mean

the mean obtained by adding several quantities together and di…

Average

a quantity, rating, or the like that represents or approximate…

PEMDAS means

FOIL

Area of triangle formula

Pythagorean theorem

Parentheses... Exponents (Radicals)... Multiplication and Division... A…

First... Outer... Inner... Last

1/2(base)(height)

a^2+b^2=c^2

PEMDAS means

Parentheses... Exponents (Radicals)... Multiplication and Division... A…

FOIL

First... Outer... Inner... Last

Time per question: Sentence Equivalence

Time per question: Text Completion

Time per question: Reading Comprehension

Time per question: Quantitative Compari…

45 seconds

30-90 seconds, depending on the number of blanks

1 min 30 seconds; plan to complete a short passage (2 question…

1 min 15 seconds

Time per question: Sentence Equivalence

45 seconds

Time per question: Text Completion

30-90 seconds, depending on the number of blanks

Always reduce big fractions before doin…

To add or subtract fractions, you must…

To add or subtract fractions, you can a…

To multiply fractions, you just ______…

common denominator

Bowtie method

multiply straight across

Always reduce big fractions before doin…

To add or subtract fractions, you must…

common denominator

Absolute Value

Prime Numbers

Order of evaluation

Is X divisible by of 2 or 4?

If x< 0 then -x; If x≥0 then x

Numbers only divisible by 1 and themselves

PEMDAS = Parens, Exponents, Mult, Div, Add, Subtract

Is the last digit divisible by 2 or 4?

Absolute Value

If x< 0 then -x; If x≥0 then x

Prime Numbers

Numbers only divisible by 1 and themselves

Perfect Squares 1-15

How to recognize if a # is a multiple o…

Area of a rectangle

How to recognize a # as a multiple of 9

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

The sum of the digits it a multiple of 3 and the last two digi…

A = length x width

The sum of the digits is a multiple of 9.

Perfect Squares 1-15

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

How to recognize if a # is a multiple o…

The sum of the digits it a multiple of 3 and the last two digi…

Time per question: Sentence Equivalence

Time per question: Text Completion

Time per question: Reading Comprehension

Time per question: Quantitative Compari…

45 seconds

30-90 seconds, depending on the number of blanks

1 min 30 seconds; plan to complete a short passage (2 question…

1 min 15 seconds

Time per question: Sentence Equivalence

45 seconds

Time per question: Text Completion

30-90 seconds, depending on the number of blanks

Time per question: Sentence Equivalence

How to find a common remainder of a lis…

If we know the lengths of two sides of…

Time per question: Text Completion

45 seconds

Find the LCM, List multiples of LCM.... Add the value of the desi…

Difference of other two sides < third side < Sum of other two…

30-90 seconds, depending on the number of blanks

Time per question: Sentence Equivalence

45 seconds

How to find a common remainder of a lis…

Find the LCM, List multiples of LCM.... Add the value of the desi…

percent formula

percent increase

percent decrease

multiples of 2

percent x whole = part

Amount increase/original whole x 100 = percent increase

amount decrease/original whole x 100 = percent decrease

if last digit is even

percent formula

percent x whole = part

percent increase

Amount increase/original whole x 100 = percent increase

Perfect Squares 1-15

How to recognize if a # is a multiple o…

Area of a rectangle

How to recognize a # as a multiple of 9

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

The sum of the digits it a multiple of 3 and the last two digi…

A = length x width

The sum of the digits is a multiple of 9.

Perfect Squares 1-15

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

How to recognize if a # is a multiple o…

The sum of the digits it a multiple of 3 and the last two digi…

Perfect Squares 1-15

How to recognize if a # is a multiple o…

Area of a rectangle

How to recognize a # as a multiple of 9

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

The sum of the digits it a multiple of 3 and the last two digi…

A = length x width

The sum of the digits is a multiple of 9.

Perfect Squares 1-15

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

How to recognize if a # is a multiple o…

The sum of the digits it a multiple of 3 and the last two digi…

Volume of a sphere with radius r = ?

If events A and B are

**not**independent…If events A and B are independent, what…

If events A and B are independent, what…

(4/3) πr^3

P(A and B) = P(B) x P(A|B)... P(A and B) = P(A) x P(B|A)

P(A or B) = P(A) + P(B) - P(A) x P(B)

P(A and B) = P(A) x P(B)

Volume of a sphere with radius r = ?

(4/3) πr^3

If events A and B are

**not**independent…P(A and B) = P(B) x P(A|B)... P(A and B) = P(A) x P(B|A)