Intro to Expressions

Which of the following is the expanded form of

 $3^4$  ? 

• 3 x 4

• 4 x 3 

• 3 x 3 x 3 x 3

Evaluate

 $4^3$  

• 3

• 4

• 12

• 16

• 64

How would you say

 $2^5$  ?

• "two to the fifth power"

• "five to the second power"

• "two times 5"

• "five times two"

How would you say

 $5^3$  ? 
(select more than 1 answer)

• "five to the third power"

• "3 to the fifth power"

• "5 cubed"

• "5 times 3"

An algebraic expression consists of...

• numbers and pictures

• numbers and variables

• operations and questions

• math and fun

What operation present in the expression

 $\frac{4}{x}$  ?

• Addition

• Subtraction 

• Multiplication

• Division 

What operation is present in

 $2\cdot4$  

• Addition 

• Subtraction

• Multiplication 

• Division 

What operation is present in

 $6m$  

• Addition 

• Subtraction 

• Multiplication 

• Division 

Evaluate the expression  $x+7$   for when

 $x=4$  

• 4

• 7

• 11

• 16

Evaluate the expression  $\frac{24}{x}$  when  $x=4$  

• 2

• 4

• 6

• 12