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39 Cards in this Set
 Front
 Back
variable

a letter that is used to represent one or more numbers.


scientific notation

a use of positive expnants to write large numbers and negative exponants to write small numbers


prime factorization

an expression showing a positive integer as the product of prime factors


associative property

(a+b)+c= a+(b+c) or (a*b)*c=a*(b*c)


proper fraction

positive fraction whos numerator is less than its denominatior


distributive property

a*(b+c)=(a*b)+(a*c)


denominator

any number below the fraction bar


variable expression

an expression that contains a variable


like terms

two terms are called this if their variable parts ar the same ex. n and 11n


cube

the third power


absolute value

the distance from 0 to the graph of a number on the number line


numerical coefficiant

the 3 in 3x


composite numbers

a number that has more than two factors


origin

0 on the number line


cross multiplying

a method for solving and checking proportions


order or operations

parenthases, exponants, muliplication/division, addition/subtraction. (PEMDAS)


inequality

a mathematical sentence formed by placing an inequality sign between two expressions


power

a product in which each factor is the same
ex. 2*2*2*2=16 

exponant

a number indicating how many times the base is used as a factor


identity property of multiplication

a*1=a, a/1=a, 1*a=a, a/a=1


common fraction

a fraction whose numerator and denominator are both integers


factor

when two or more numbers are muliplied together, each number is called a factor.
ec. 3*5=15 3 and 5 are factors of 15 

numerical expression

an expression that names a number
ex. 2+3 

commutative property

a+b=b+a or a*b=b*a


numerator

any number above the fraction bar


square

the second power


improper fraction

a fraction whose denominator is less than its numerator


zero property of multiplication

a*0=0, 0*a=0, 0/a=0


mixed number

a number consistiong of a whole number and a fraction


integers

the whole numbers and their opposite form a set of numbers
ex. 3,2,1,0,1,2,3 

irrational numbers

numbers that do not terminate or repeat


zero property or addition

a+0=a, a0=a, 0+a=a, aa=0


least common denominator

the least common multiple of two or more denominators


prime number

a number with exactly two factors


relatively prime

two numbers have no other factor than 1 (fraction can't be reduced) ex. 9 and 10


greatest common factor

the greatest whole number that is a factor of each number


rational number

a number which can be written as p/q and p and q are integers and q does not equal 0


equation

a sentence that states that two expression name the same number


percent

a ratio of a number to 100, shown by the symbol %
