Expressions Vocabulary

Front

What is a letter used to represent a number value in an expression or an equation?

Back

Variable

Front

What do you call an expression that contains variables, numbers, and operations?

Back

Algebraic expression

Front

In the expression 4² + 2x - 7, what is the name of the red part (2)?

Back

Coefficient

Front

What is the coefficient in the expression 17u + 8?

Back

17

Front

What is a number used to multiply a variable, attached to it?

Back

Coefficient

Front

What is the term for a mathematical phrase that can contain numbers, variables, and operators?

Back

Expression

Front

What do you call a number that does not change in an expression?

Back

Constant

Front

In the expression 3x + 5, what is the constant?

Back

5

Front

What is the term for the part of an expression that includes a variable and its coefficient?

Back

Term

Front

What is the difference between a variable and a constant?

Back

A variable can change, while a constant remains the same.