## LESSON: Simplifying Expressions

### Vocab/Objectives

## Objectives

- Simplify sums or differences of single-variable expressions.
- Simplify products or quotients of single-variable expressions.
- Simplify variable expressions involving multiple operations.
- Write and simplify variable expressions describing real-world situations.

## Vocabulary

- Expression
- a number sentence without an equal sign that combines numbers, variables and operations.

- Simplify
- to make smaller by combining like terms

- Sum
- the answer in an addition problem.

- Difference
- the answer in a subtraction problem.

- Product
- the answer in a multiplication problem.

- Quotient
- the answer in a division problem.

- Commutative Property of Multiplication
- states that the product is not affected by the order in which you multiply factors.

- Associative Property of Multiplication
- states that the product is not affected by the groupings of the numbers when multiplying.