Curated OER
Linear Equations
Ninth graders solve linear equations. In this Algebra I lesson, 9th graders investigate the properties of equations (Reflexive, Symmetric, Transitive, Substitution, and Transformation Properties) and use these properties to solve...
PBS
Pbs: Volume of Right Rectangular Prisms
Learn how unit cubes can be used to model the solution for the volume of a 3D figure This video focuses on calculating the volume of a rectangular prism using the equation, length x width x height. This video was submitted through the...
Calculator Soup
Calculator Soup: Rectangular Prism Calculator
This site provides an online rectangular prism calculator. Using any three of the six attributes (length, width, height, surface area, volume or diagonal), students can calculate the other three attributes. The calculator allows students...
Purple Math
Purplemath: Geometric Formula Review
Need to freshen up on your geometric formulas? This explanation focuses on some basic formulas that should be committed to memory such as area, volume, perimeter, and more.
University of North Carolina
A Dictionary of Units of Measurement
This site contains an extensive list of various units of measurement known internationally and across several disciplines. Unit symbols are also included.
Wolfram Research
Wolfram Mathworld: General Solid Geometry
This page has links to general solid geometry topics, including depth, height, width, and length. A good introductory site into geometry.
Purple Math
Purplemath: Geometry Word Problems: Introduction
Introduces how to set up and solve simple geometric-figure word problems. Includes advice regarding formulas to memorize.