Order of Operation
 

The order of operation is as follows:

1) Simplify grouped terms.
2) Do Available multiplication and division from left to right
3) Do available addition and subtraction from left to right

 

The following are examples of the use of Order of Operation ....

 

Check Your Understanding

1.

18 ÷ 3 + 7 · 2

 What should be done first ???

2.

7 + 18 ÷ 2

 

 What should be done first ???

3.
(2 + 3) ÷ (7 + 9)
(5) ÷ (7 + 9)

 

 What should be done next ???

4.

3 · 12 ÷ 6

What should be done next ???

5.
3 · 12 ÷ 6 - 4 + 5
36  ÷ 6 - 4 + 5
6 - 4 + 5

 

 What should be done next ???

 
6.
7 + 3 · 12 ÷ 6 - 4
7 + 36 ÷ 6  - 4
7 + 6 - 4

 

 What should be done next ???