What it looks like.

A "Show Me You Know..." Assignment involves the students providing evidence that they understand a particular concept.  This evidence can come in various forms (written, audio, video, etc.).  This type of assignment works well for procedural concepts and students demonstrate a "recipe" explaining the mathematical steps involved.  

M10-C Systems of Linear Equations Example:
The following link contains two examples of student solutions to a "Show Me You Know... Substitution" Assignment.

Show Me You Know Substitution Example