#### Study sets matching "gre math"

#### Study sets matching "gre math"

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…

P|E|MD|AS

Associative laws

Distributive

Exponents

"Please excuse my dear aunt sally" for order of operations--pa…

When you're adding or multiplying series of numbers, you can r…

a(b+c)=ab+ac... a(b-c)=ab-ac

P|E|MD|AS

"Please excuse my dear aunt sally" for order of operations--pa…

Associative laws

When you're adding or multiplying series of numbers, you can r…

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

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…

Rhombus

Trapezoid

Polygon Angles

Polygon # Triangles

All 4 sides are equal length

A = (average of bases)*h or (b1+b2)h(1/2)

Sum of angles = (n-2)180

# Triangles = (n-2)

Rhombus

All 4 sides are equal length

Trapezoid

A = (average of bases)*h or (b1+b2)h(1/2)

the angles of a triangle add to

percent formula

percent increase or decrease formula

least common multiple

180

part equals percent times whole

percent increase equals amount of increase divided by original…

break each number down into factors and multiply each number b…

the angles of a triangle add to

180

percent formula

part equals percent times whole

Counting factors of large numbers

Find factors of odd numbers

Find even factors

list of Squares of integers (perfect sq…

Steps:... 1) prime factorization of number ... 2) create list of exp…

1) same method ... 2) ignore exponent factors of 2!... Done!

1) same method as counting large factors ... 2) find odd factors…

1x1=1... 2x2=4... 3x3=9... 4x4=16... 5x5=25... 6x6=36... 7x7=49... 8x8=64... 9x9=81... 10…

Counting factors of large numbers

Steps:... 1) prime factorization of number ... 2) create list of exp…

Find factors of odd numbers

1) same method ... 2) ignore exponent factors of 2!... Done!

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…

Isosceles triangle

3-4-5 Isosceles triangle

5-12-13 Isosceles triangle

30-60-90 right triangle

2 sides and their angles are the same length

Ratio: Legs = 3,4, hypotenuse = 5

Ratio: Legs = 5,12, hypotenuse = 13

Ratio: Legs = 1,√3, hypotenuse = 2... *equilateral triangle divid…

Isosceles triangle

2 sides and their angles are the same length

3-4-5 Isosceles triangle

Ratio: Legs = 3,4, hypotenuse = 5

isosceles

equilateral

congruent

quadrilateral

a triangle with at least two congruent sides

A triangle with three congruent sides

Figures that have the same size and shape

A four-sided polygon.

isosceles

a triangle with at least two congruent sides

equilateral

A triangle with three congruent sides

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)

it is an integer but it is neither posi…

its equal distance from 0 on the number…

the absolute value of any number is alw…

__________ is a multiple of every number

0

absolute value

positive

0

it is an integer but it is neither posi…

0

its equal distance from 0 on the number…

absolute value

integers

real numbers

factor

non real number

any whole number, positive or negative... -0 is an integer

-any number on number line... -can be negative and positive... -frac…

-any integer you get from dividing an integer by another integ…

-not on number line... -negative square root... -any number divided…

integers

any whole number, positive or negative... -0 is an integer

real numbers

-any number on number line... -can be negative and positive... -frac…

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)

Divisible by 3

Divisible by 4

Divisible by 6

Divisible by 9

Sum of digits is multiple of 3

Last 2 digits are multiple of 4

Sum of digits is multiple of 3... Last digit is even

Sum of digits is multiple of 9

Divisible by 3

Sum of digits is multiple of 3

Divisible by 4

Last 2 digits are multiple of 4

Factors

Multiple

Least common multiple

Greatest common divisor

Components used when multiplying

the outcome of multiplying

least positive integer that is a multiple of a and b, take pri…

greatest positive integer that is a divisor of a and b, take p…

Factors

Components used when multiplying

Multiple

the outcome of multiplying

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%

"If a and b are consecutive numbers..."

For all the hypothetical x, y problems.…

% less than/% greater than

Factor: (3x-12y)/9

Could be a then b OR could be b then a

Be sure to try enough possibilities to be sure

change/older amount or the one by "of"

3(x-4y)/3*3 = (x-4y)/3

"If a and b are consecutive numbers..."

Could be a then b OR could be b then a

For all the hypothetical x, y problems.…

Be sure to try enough possibilities to be sure

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)