Unit 3: Expressions
Associative Property of Addition
The sum of a set of numbers is the same no matter how the numbers are grouped.
Associative Property of Multiplication
The product of a set of numbers is the same no matter how the numbers are grouped.
A number multiplied by a variable in an algebraic expression.
Commutative Property of Addition
The sum of a group of numbers is the same regardless of the order in which the numbers are arranged
Commutative Property of Multiplication
The product of a group of numbers is the same regardless of the order in which the numbers are arranged.
A quantity that does not change its value.
The sum of two addends multiplied by a number is the sum of the product of each addend and the number.
The number of times a number or expression (called base) is used as a factor of repeated multiplication. Also called the power.
Terms in an algebraic expression that have the same variable raised to the same power. Only the coefficients of like terms are different.
Order of Operations
The rules to be followed when simplifying expressions.
A number, a variable, or a product of numbers and variables.
A letter or symbol used to represent a number or quantities that vary
A mathematical phrase involving at least one variable and sometimes numbers and operation symbols