Parts of an Expression

Front

A letter that represents a number is called a _____

Back

variable

Front

How many terms are in the expression 3x + 2y + z?

Back

3

Front

Which term contains a coefficient? m + 3n + p + 3

Back

3n

Front

A number with no variable attached is called a _____

Back

constant

Front

Identify the variables in the expression 3x + 9

Back

x

Front

What is a coefficient?

Back

A number that multiplies a variable.

Front

What is a term in an expression?

Back

A single mathematical expression that can be a number, variable, or the product of both.

Front

What is the constant in the expression 5x + 7?

Back

7

Front

How do you identify the number of terms in an expression?

Back

Count the number of separate parts in the expression, separated by + or - signs.

Front

What is the difference between a variable and a constant?

Back

A variable can change and represents a number, while a constant is a fixed value.