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The Impact of the Louisiana Purchase

Component ID: #ti1474760369

Activity Description

Students will examine population density maps of the United States during the 1800s. They will learn about the Louisiana Purchase in 1803 to make and evaluate predictions about the changes in population density that resulted from this event, identifying shifts in boundaries and in areas of population density, and drawing conclusions. Students will then write a paragraph summarizing the impact of the Louisiana Purchase on the United States.

Component ID: #ti94496064

Suggested Grade Level


Component ID: #ti94496065

Approximate Time Required

45 minutes

Component ID: #ti94496066

Learning Objectives

  • Students will be able to interpret population density maps to assess the effect of the Louisiana Purchase on the United States.

Component ID: #ti94496067

Materials Required

  • The student version of this activity, 9 pages
  • Teacher computer with Internet access and a projector to display web sites

A computer with Internet access for small groups of students is optional.

Component ID: #ti94496068

Activity Items

The following items are part of this activity. Items, their sources, and any relevant instructions for viewing them
online appear at the end of this teacher version.

  • U.S. Population Density Map, 1800
  • U.S. Population Density Map, 1820
  • U.S. Population Density Map, 1840
  • U.S. Population Density Map, 1860
  • U.S. Population Density Map, 1880

Teacher Notes

Blooms Taxonomy

Blooms Taxonomy

Students will analyze population density maps of the United States to evaluate the impact of the Louisiana Purchase.


Middle School History


  • Louisiana Purchase
  • Westward expansion

Skills Taught

  • Analyzing change over time
  • Analyzing population density maps
  • Making predictions
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