Addition and Multiplication Properties

Front

What is the Addition Property of Equality?

Back

If a = b, then a + c = b + c for any number c.

Front

What is the Multiplication Property of Equality?

Back

If a = b, then a × c = b × c for any number c.

Front

What does it mean to simplify an expression?

Back

To combine like terms and reduce the expression to its simplest form.

Front

What is a variable in algebra?

Back

A symbol, usually a letter, that represents one or more numbers.

Front

What is the Associative Property of Addition?

Back

The way in which numbers are grouped does not change their sum: (a + b) + c = a + (b + c).

Front

What is the Associative Property of Multiplication?

Back

The way in which numbers are grouped does not change their product: (a × b) × c = a × (b × c).

Front

What is the Commutative Property of Addition?

Back

The order in which numbers are added does not change their sum: a + b = b + a.

Front

What is the Commutative Property of Multiplication?

Back

The order in which numbers are multiplied does not change their product: a × b = b × a.

Front

What is an equivalent expression?

Back

Expressions that have the same value for all values of the variable.

Front

How do you combine like terms?

Back

By adding or subtracting the coefficients of terms that have the same variable raised to the same power.