Parts of an Expression

Identify all of the components of a numerical expression.

• one or more coefficients

• one or more numbers

• one or more operations

• one or more variables

Identify all of the components of an algebraic expression.

• one or more coefficients

• one or more constants

• one or more operations

• one or more variables

• all of the above

Complete the following sentence:

Terms can either be a __________ or a __________ .

• constant

• operator

• equal sign

• variable

Complete the following sentence:

A __________ refers to a numerical value with no variable.

Identify the constant in the following expression:

x + 15

• x

• +

• 15

What are the constants in the following expression:

n - 3n + 15 – p + 4

Complete the following sentence:

A __________ is a symbol, usually a lowercase letter, such as "x" or "n," that represents an unknown value.

Identify the variable in the following expression:

x + 15

• x

• +

• 15

Complete the following sentence:

In a single term consisting of a number and variable, such as 3n, the number in front of the variable is called the __________ .

What is the operation that is understood to exist between a coefficient and a variable?

• addition

• subtraction

• multiplication

• division