Prerequisite Lesson: Numerical Expressions with Exponents

Numeric Expressions with Exponents

Learning Target:

• I can write numerical expressions involving whole-number exponents.

• I can evaluate numerical expressions involving whole-number exponents.

Vocabulary

Base: The number that is multiplied by itself when raised to a certain power.

Exponent: A number that shows how many time a base is used as a factor

Exponential expression: Expressions written with exponents.

Fill in the Blank

What is the exponent in the example?

$$4^2$$  

Fill in the Blank

What is the base in this example?

$$5^3$$  

Multiple Choice

Which best describes the 1st step in evaluating the expression

$$4\cdot\frac{53+1}{\left(8-5\right)^3}$$  

• simplify  $$5^3$$  

• multiply 4 x 53

• subtract 8-5

• add 53+1

Multiple Choice

Which expression is equivalents to

$$6^3$$  ?

• 6x3

• 6x6x6

• 3x3x3x3x3x3

• 18

Multiple Choice

Which student wrote "6 plus 4 cubed" correctly?

• Michael

• Morgan

• Keegan

• No answers are correct

Multiple Choice

What's the first step to evaluating Michael's answer? $$(6+4)^3$$  

• 6+4

• $$4^3$$  

Multiple Choice

Evaluate Michael's answer $$\left(6+4\right)^3$$  

• 30

• 100

• 1000

• 70