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15 Cards in this Set
 Front
 Back
Variable

a letter or other symbol that represents a number or set of numbers in an expression or an equation


Term

product of numbers and variables


Expression

a mathematical combination of numbers, variables and operations


Sum

the result of adding two numbers or quantities


Difference

the result obtained when one number is subtracted from another


Product

the result of multiplying two numbers or variables


Quotient

the result obtained from dividing one number or variable into another number or variable


Equation

a mathematical sentence stating that two expressions are equal


Equivalent

equal in value


Communtative Property

the mathematical rule that states that for any numbers x and y: x + y = y + x and xy=yx


Associative Property

the mathematical rule that states that the sum or product of a set of numbers is the same no matter how the numbers are grouped. (x+y)+z=x+(y+z)


Distributive Property

the mathematical rule that states that multiplying a sum by a number is the same as multiplying each addend by that number and then adding the products


Equivalent Expression

expressions that always result in the same number or have the same mathematical meaning for all replacement values of the variables.


Like Terms

terms that include the same variables raised to the same powers... like terms can be combined


Order of Operations

to find the answer to an equation, follow this four step process: 1. Do all operations ith parentheses first 2. simplify all numbers with exponents 3. multiply and divide in order from left to right 4. add or subtract in order from left to right
