Algebra

variable

A letter or symbol used to represent a number or quantities that vary

coefficient

A number multiplied by a variable in an algebraic expression.

constant

A quantity that does not change its value.

like terms

Terms in an algebraic expression that have the same variable raised to the same power. Only the coefficients of like terms are different.

exponent

The number of times a number or expression (called base) is used as a factor of repeated multiplication. Also called the power.

Commutative Property of Multiplication

The product of a group of numbers is the same regardless of the order in which the numbers are arranged.

Associative Property of Multiplication

The product of a set of numbers is the same no matter how the numbers are grouped.

order of operations

The rules to be followed when simplifying expressions.

Commutative Property of Addition

The sum of a group of numbers is the same regardless of the order in which the numbers are arranged

Associative Property of Addition

The sum of a set of numbers is the same no matter how the numbers are grouped.

Distributive Property

The sum of two addends multiplied by a number is the sum of the product of each addend and the number.

term

a number, a variable, or a product of numbers and variables separated with addition or subtraction symbols.