# Study sets matching "gre math"

Study sets

Diagrams

Classes

Users

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

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%

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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…

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…

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

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%

Integer

Least Common Multiple

Greatest Common Factor

Prime Number

Any real number, ex. (...-2, -1, 0, 1, 2,...)

This is the least positive integer that is a multiple of integ…

This is the greatest positive integer that is a divisor of int…

An integer greater than 1 that has only two divisors, 1 and it…

Integer

Any real number, ex. (...-2, -1, 0, 1, 2,...)

Least Common Multiple

This is the least positive integer that is a multiple of integ…

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…

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)

Which of these fractions is impossible?…

What's another way to state the fractio…

What is the decimal form of 1/2, 1/3, 1…

How do you compare fractions where both…

5/0 is impossible... Zero can be a numerator but never a denomin…

4/3... A fraction is equal to its reciprocal when you flip the n…

1/2 ---> 0.5... 1/3 ---> 0.333... 1/4 ---> 0.25... 1/5 ---> 0.2... 1/6 ---…

Cross-multiply, keeping the fractions in the same order... Fract…

Which of these fractions is impossible?…

5/0 is impossible... Zero can be a numerator but never a denomin…

What's another way to state the fractio…

4/3... A fraction is equal to its reciprocal when you flip the n…

Angles

Polygons

Polygons: Total degrees

Polygons: Average degrees per side or d…

A right angle is 90 degrees... A straight line is 180 degrees... If…

Any figure with three or more sides

180(n-2)... Where n is the number of sides

= 180((n-2)/n)... Where n is the number of sides

Angles

A right angle is 90 degrees... A straight line is 180 degrees... If…

Polygons

Any figure with three or more sides

integers

factor

multiple

multiples of non-zero integers

numbers 1, 2, 3..., with their negatives and 0

a number multiplied by another number (another factor) to give…

opposite of a factor; a number that is the product of certain…

every non-zero integer has infinitely many multiples

integers

numbers 1, 2, 3..., with their negatives and 0

factor

a number multiplied by another number (another factor) to give…

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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

Prime Numbers Below 60

Divisibility by 3

Divisibility by 4

Divisibility by 5

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

Sum of digits divisible by 3

The last two digits of number are divisible by 4

The last digit is either a 5 or a zero

Prime Numbers Below 60

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

Divisibility by 3

Sum of digits divisible by 3

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…

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