National Council of Teachers of Mathematics
The Math Forum: How to Make a Bar Graph
Site contains specific directions for making bar graphs using a Claris Works spreadsheet file.
Primary Resources
Primary Resources: Tally and Bar Charts
Lots of good materials for teaching about tally marks and bar graphs.
Better Lesson
Better Lesson: Graphing Our Snack Mix: Review of Graphing
Second graders review how to make bar graphs, line plots, and pictographs by tallying the contents of snack mix and building graphs to show their data.
National Council of Teachers of Mathematics
Nctm: Illuminations: Bar Grapher
A computer applet that will draw any bar graph with student's data input.
Digital History
Digital History: British Mercantilism and the Cost of Empire [Pdf]
Learn about the theory of mercantilism and how it affected the economies of the New England, Middle, and Southern colonies. Practice making a bar graph showing the value of exports to and imports from England between 1700 and 1774 with...