Module 3 Part A Vocab

Front

A placeholder, often a letter, that stands in for a number in math.

Back

Variable

Front

Expression with a variable: a² + 3

Back

a² + 3

Front

Numerical expression?

Back

A number in a math problem

Front

Referring to a problem with letters or numbers?

Back

Expression

Front

NOT an expression: A + 2 = 4

Back

A + 2 = 4

Front

Two expressions that are equally valued?

Back

Equivalent expressions

Front

Term for uncombined like terms?

Back

Expanded form

Front

Term for combined like terms?

Back

Standard form

Front

Each letter or number in an expression is called?

Back

Term

Front

Combining all numbers in an expression is called?

Back

Coefficient