Expressions, Equations, & Inequalities Vocabulary

Numerical Expression

An expression that contains only numbers and operations

Algebraic Expression

A combination of variables, numbers, and at least one operation.

Variable

A symbol or letter used represent an unknown value

Term

Can be a:
-number by itself
-a variable by itself
-a number with a variable (indicating multiplication)

Constant

A number by itself

Co-efficient

a number that is multiplied by a variable

Like Terms

Terms with the exact same variable with the same exponent

Quotient

the answer to a division problem

product

the answer to a multiplication problem

Sum

the answer to an addition problem

Difference

the answer to a subtraction problem

Equation

A mathematical sentence that shows that two expressions are equivalent

inequality

A mathematical sentence that shows the relationship between quantities that are not equivalent

inverse operations

Operations that are opposite of each other

Inverse of Addition

subtraction

inverse of subtraction

Addition

inverse of multiplication

division

inverse of division

multiplication

2x - 6 > 10
This is an example of an

Inequality

2x - 6 = 10
This is an example of an

Equation

2x - 6 = 10
2x and 6 are examples of

Terms

2x - 6 = 10
The 2 is an example of a

Co-efficient

2x - 6 = 10
The 6 is an example of a

Constant

2x - 6 = 10
The X is an example of a

Variable

Operator

A symbol that shows an operation (i.e. you want to do something with the values)