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evalutating expressions

plug in numbers variables and use order of operations to calculate.


a variable or combination of variables, numbers, and symbols.


compares unequal expressions using one or more of these symbols: <, >, ≥, ≤, ≠


the number, that when added or multiplied to, equals zero.


a symbol representing a value that does not change. ie π


a letter that is used to represent one or more numbes

commutative property

changing the order of the operands does not change the end result.

order of operations


associative property

changing the grouping will not change the end result.

real number

any number that can be shown on a number line.


flipping the fraction numbers


counting numbers, both negative and postive and zero.


the numerical factor in a term containing a variable.


math sentence with an equal sign

absoulte value

the distance a number has from zero on a number line. always postive.



natural numbers

counting numbers, except zero.


terminating or repeating decimals

irrational numbers

nonrepeating decimals

rational numbers


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