Khan Academy
Khan Academy: Dot Plots and Frequency Tables Review
Dot plots and frequency tables are tools for displaying data in a more organized fashion. In this article, we review how to make dot plots and frequency tables.
Math Bits
Math Bits Notebook: Dot Plots
Features a refresher course on dot plots with definitions and examples.
Other
National Security Agency: Line Plots: Frogs in Flight [Pdf]
Students learn how to construct and interpret line plots. The lesson plan describes an activity that has students collect data, create line plots, and interpret and analyze the data.