Classed Choropleth Map

Source: http://curriculum.qcda.gov.uk/key-stages-3-and-4/assessment/nc-in-action/items/geography/9/1447.aspx

Classed Choropleth Maps are basic choropleth maps that have been broken up further for more detail of statistical information. An example of this would be talking a map of the United States and adding the additional boundaries of counties to the already present state borders.