# set operation   7 videos

• #### Order of Operations

##### AlgebraPre-Algebra

How to use the order of operations to simplify expressions.

simplify PEMDAS expression
• #### Median

##### AlgebraIntroduction to Statistics

How to calculate the median of a data set.

median measure of center
• #### Mode

##### AlgebraIntroduction to Statistics

How to find the mode of a data set.

mode measure of center
• #### Range

##### AlgebraIntroduction to Statistics

How to find the range of a data set.

• #### Percents

##### AlgebraPre-Algebra

How to set up percent problems as proportions.

percent cross multiply proportion
• #### Writing an Equation to Describe Pictures

##### AlgebraGraphs and Functions

How to write an equation to describe a set of pictures.

equation pattern slope y intercept
• #### Selling Multiple Items

##### AlgebraWord Problems Using Systems of Equations

How to set up a system of equations to represent word problems where someone is selling multiple items.

system of equations coefficient elimination