Finding the Variable Worksheets

In this expression what is the variable? 
5 + y 

• q

• +

• 5

• y

What is the variable in 3x - 5

• x

• 5

• 3

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

• 8

• x

• u

• n

a symbol for an unknown value; usually a letter (such as a, x, or y) is the symbol used

• constant

• variable

• coefficient

• term

What are variables in math?

• Letters

• Numbers

• Expressions

5p + 4h - 2
Which are the variables? 

• 5p, 4h, 2

• 2

• p, h

• 5, 4

2P + 3 = 11. What is P?

• 2

• 4

• 5

• 7

5P + 3 = 2P + 18. What is P?

• 7

• 5

• 10

• 3

Find the value of missing side.

• 7

• 14

• 2

• 10

A student is trying to find the missing side length of the triangle. Their work is shown in the picture but they make a mistake. In which line did the mistake happen.