On this interactive website students practice various math skills using a real-life scenario involving plants. Those skills include interpreting data in a circle graph, interpreting data in a divided bar graph, and interpreting a bar...

Math picture graphs for kids. Pie, line, and bar charts. Learn with problems, examples.

This introductory tutorial about statistical graphing with four examples of how pie charts (circle graphs) are constructed and read.

This tutorial provides definitions and examples of ratios and proportions and features comparing ratios and converting rates.