U6, L14 Evaluating Expressions with Exponents

U6, L14 Evaluating Expressions with Exponents

Math Nation Workbook, Volume 2,

p. 115

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 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 (PEMDAS), should you multiply before you evaluate exponents?

• Yes

• No

Multiple Select

Look at this expression. Choose ALL the expressions or numbers that are equivalent.

 $9^2$  

•  $9\ +\ 9$  
  

•  $9\ \cdot9$  

•  $9\ \cdot\ 2$  

• 81

Multiple Select

 $3\cdot3\cdot3\cdot3\cdot3$  

Select all expressions that are equal to this expression.

•  $3\cdot5$  

•  $3^5$  

•  $3^4\cdot3$  

•  $5\cdot3$  

•  $5^3$  

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.

 $\left(\frac{1}{3}\right)^2$  

•  $\frac{1}{3}+\frac{1}{3}$  
  

•  $\frac{1}{3}\cdot\ \frac{1}{3}$  

•  $\frac{2}{3}$  

•  $\frac{1}{6}$  

•  $\frac{1}{9}$  

Multiple Select

Look at this expression. Choose ALL the expressions or numbers that are equivalent.

 $\left(\frac{1}{5}\right)^3$  

•  $\frac{1}{5}\cdot\ \frac{1}{5}\cdot\frac{1}{5}$  
  

•  $\frac{1}{3}\cdot\ \frac{1}{3}\cdot\frac{1}{3}$  

•  $\frac{1}{15}$  

•  $\frac{1}{125}$  

•  $\left(\frac{1}{5}\right)^2\ \cdot\frac{1}{5}$  

Multiple Choice

 $3^3\cdot4$  

What operation should you complete first when evaluating this expression?

•  $3\cdot4$  

•  $3^3$  

•  $3^3\cdot4$  

Multiple Choice

 $6\ +2^3$  

What operation should you complete first when evaluating this expression?

•  $6\ +2$  

•  $6\ +2^3$  

•  $2^3$