Lesson 2.

1.    Signs that can be used for division: 

The sign used for division can be a bar (horizontal line), a dash with two dots, a slash, or a colon (two dots). 

When there is an addition or subtraction above or below the division bar, calculate that first (as you do with brackets). 

The solution to the above problem is:

First you se
then if we simplify

Try Quiz 2 on The Order of operations. If you get 80% percent or more correct, go to Lesson 3.