Math Refresher Links

Successful completion of the Documentation of Contract Quantities class requires knowledge of basic algebra and geometry including Order of Operations, the ability to calculate areas and volumes, and conversion of measurement units.

The following links are provided as references for common math skills required to calculate various quantities for IDOT construction projects.

Areas and Volumes

Khan Academy: Area and Perimeter

Khan Academy: Volume and Surface Area

Openstax CNX: Area and Volume

Order of Operations

Khan Academy: Order of Operations

Mathispower4u: Video explanation – Order of Operations

Units of Measurement

Khan Academy: US Customary Units of Length

Mathsisfun.com: Measurement Unit Conversion

Brownmath.com: Units Conversion