## Expressions

Expressions

Educreation Link - click HERE

Educreation Link - click HERE

Variables

Educreation Link - click HERE

Educreation Link - click HERE

Order of Operations

Educreation Link - click HERE

Educreation Link - click HERE

## VOCABULARY

*:*

**Algebraic expression**A mathematical phrase involving at least one variable and sometimes numbers and operation symbols.

*:*

**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.

*:*

**Coefficient**A number multiplied by a variable in an algebraic expression.

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

**Commutative Property of Addition***:*

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

*:*

**Constant**A quantity that does not change its value.

*:*

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

*:*

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

*:*

**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.

*:*

**Order of Operations**The rules to be followed when simplifying expressions.

*:*

**Term**A number, a variable, or a product of numbers and variables.

*:*

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