1.2 Order of Operations

1.2 Order of Operations

Essential Question: What is the correct order for performing mathematical operations?

What are exponents?

Exponents are repeated multiplication!

"Three to the fourth" means to multiply three by itself 4 times

Multiple Choice

How would you write 

 $7^2$  as repeated multiplication?

•  $7\cdot2$  

•  $2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2$  

•  $7\cdot7$  

Multiple Choice

How would you write 

 $5^3$  as repeated multiplication?

•  $3\cdot3\cdot3\cdot3\cdot3$  

•  $5\cdot5\cdot5$  

•  $5\cdot3$  

Multiple Choice

How would you write 

 $2^6$  as repeated multiplication?

•  $2\cdot2\cdot2\cdot2\cdot2\cdot2$  

•  $2\cdot6$  

•  $6\cdot6$  

Multiple Choice

How would you write 

 $11^4$  as repeated multiplication?

•  $11\cdot4$  

•  $11\cdot11\cdot11\cdot11$  

•  $\text{}4\cdot11$  

Poll

I feel ready to practice PEMDAS....

Multiple Choice

What is the first operation you do for

 $8-2\cdot3$  

• Subtract

• Multiply

Multiple Choice

What is the first operation you do for

 $12+3^2$  

• Exponents

• Add

Multiple Choice

What is the first operation you do for

 $\left(5-2\right)^2$  

• Exponents

• Parentheses

Multiple Choice

What is the first operation you do for

 $8\div2+6$  

• Addition

• Division

Get Ready For Round 2!

Remember: Addition/Subtraction moves left to right.
Multiplication/Division moves left to right.

Multiple Choice

What is the first operation you do for

 $(6-17+4)(5)$  

• Addition

• Subtraction

• Multiplication

Multiple Choice

What is the first operation you do for

 $3-5\cdot10$  

• Addition

• Subtraction

• Multiplication

Multiple Choice

What is the first operation you do for

 $5+(7-1)^2$  

• Addition

• Parentheses

• Exponents

Multiple Choice

What is the first operation you do for

 $40\div2\cdot5$  

• Multiplication

• Division

Multiple Choice

CHALLENGE: What is the first operation you do for

 $-2\left(5+(3-8)\right)$  

• Multiplication

• Addition

• Subtraction

Poll

How do you feel about PEMDAS?