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

Write the following statement as a mathematic expression with variable(s):

> The difference of 16 and K is seven.

Write the following statement as a mathematic expression with variable(s):

> Ben has 35 crisps. That is 7 times more than Ryan has.