U6, L14 Evaluating Expressions with Exponents

Today's Goals:

• I know how to evaluate expressions that have BOTH an exponent AND addition or subtraction.

• I know how to evaluate expressions that have BOTH an exponent AND multiplication or division.

Multiple Choice

True or False: Exponents is repeated addition

• True

• False

Multiple Select

What is the base?

5³

• 3

• 5

Multiple Select

What is the exponent?

6²

• 6

• 2

Poll

$$6\cdot2^3$$  

According to the order of operations (GEMDAS), which part of the expression would you complete first?

• Multiplication (6 x 2)

• Exponent $$2^3$$

Multiple Select

Look at this expression. Choose ALL the expressions or numbers that are equivalent. $$9^2$$  

• $$9\ +\ 9$$  

• $$9\ \cdot9$$  

• $$5\cdot3$$  

• $$5^3$$  

Multiple Select

$$3\cdot3\cdot3\cdot3\cdot3$$  

Select all expressions that are equal to this expression.

• $$3\cdot5$$  

• $$3^5$$  

• $$5\cdot3$$  

• $$5^3$$  

Multiple Select

Look at this expression. Choose ALL the expressions or numbers that are equivalent. $$6^3$$  

• $$6\ \cdot\ 3$$  

• $$6\ \cdot\ 6\ \cdot\ 6$$  

• $$6\ \cdot\ 6\ \cdot\ 6\ \cdot\ 6$$  

• $$6^2\ \cdot6$$  

Multiple Select

Look at this expression. Choose ALL the expressions or numbers that are equivalent. $$\left(\frac{1}{3}\right)^2$$  

• $$\frac{1}{3}+\frac{1}{3}$$  

• $$\frac{1}{3}\cdot\ \frac{1}{3}$$  

• $$\frac{2}{3}$$  

• $$\frac{1}{6}$$  

• $$\frac{1}{9}$$  

Fill in the Blank

Evaluate the expression: $$7^2$$

Multiple Choice

Solve the expression: $$4^3$$

• 12 

• 16 

•  

  64

• 81

Multiple Select

Look at this expression. Choose ALL the expressions or numbers that are equivalent. $$\left(\frac{2}{3}\right)^2$$  

• $$\frac{2}{3}+\frac{2}{3}$$  

• $$\frac{2}{3}\cdot\ \frac{2}{3}$$  

• $$\frac{9}{4}$$  

• $$\frac{4}{9}$$

• $$\frac{4}{3}$$

Open Ended

In your own words, what are exponents? How do you solve them?