Order of Operations

TEK 6.7A

Class goal for lesson is 70%.

Yesterday, you should have...

• completed the ratios quiz

• watched and uploaded video notes

3⁴

3 x 3 x 3 x 3

Prime Factorization

-Find two factors with a product of that number.

-Break those numbers down into smaller factors.


-The goal is to have prime numbers
left at the end.

The prime factorization of 75 is 

 $3\cdot5\cdot5\ or\ 3\cdot5^2$  

Multiple Choice

Find the prime factorization of 18

• 2 • 9

• 2² • 3

• 2 • 3²

• 3 • 6

Multiple Choice

Use a number tree to find the prime factorization of 42

• 4x4x3
• 6x7
• 7x3x2
• 5x4x2

 $8+6\cdot2^2$  

Which operation do you do first?

 $\left(8+6\right)\cdot2^2$  

Which operation do you do first?