Order of Operations          Lesson 1.1

When you do a multi-step problem you have to follow a certain order. To follow this order use the please excuse my dear aunt sally or

P       E           M        D       A          S

( )   exponents    x         /        +          -

When you do a multi-step problem it is important that you follow the order, if not you will get the wrong answer.

34-(20+2)x3

____________

When you have letters that are next to each other go from left to right.

Ex: 2/16x6

In this case you have M and D which are division and multiplication and even though multiplication is first, you have to do division.

A    (12-3)x2+35

B     24x2+33(5-3)