Unit 5: Simplifying Expressions

A number sentence made up of numbers, variables and

mathematical operations

A piece of an algebraic expression

The letter in an expression, used to represent an unknown

quantity

The number in an expression.

The number in FFFront of the variable

To substitute a value into an expression, and then perform all

mathematical operations

To “hand out” a number to each value inside a set of parentheses

To re-write an expression as the product of factors

(undistribute!)

The greatest factor that two or more terms have in common

Terms with the same variable portion