Learning Mathematical Variables

What are variables in math?

• Letters

• Numbers

• Expressions

A variable represents what is ______________. 

• the answer
• the operation
• the difference
• unknown 

5p + 4h - 2
Which are the variables? 

• 5p, 4h, 2
• 2
• p, h
• 5, 4

What are the variables in the following expression?

• 3, 4, 1 and 7
• z, x and y
• + and -
• 15

In this expression what is the variable? 
5 + y 

• q
• +
• 5
• y

What is the variable in 3x - 5

• x

• 5

• 3

What are the variables in 3x + y

• 3x

• x,y

• x

• y

Which of the following answer choices is NOT an example of a variable?

• 8
• x
• u
• n