This is an image from this resource on the Internet4Classrooms' "Third Grade Math Skill Builders interactive help on standardized tests" resource page: Amblegraph. Create simple bar charts online. Students can use if for very quick surveys or a teacher can use it to model the construction of a bar graph with a class or group. Most elements are editable.
This is an online chart builder, where you can illustrate your data as a range of various kinds of charts, graphs and diagrams, these include: line graphs, bar charts, venn diagrams, scatter graphs and radar charts.