- Unit 1 The United States, 1500
- Unit 2 Exploration of North America, 1492–1700
- Unit 3 Triangular Trade Routes
- Unit 4 Revolutionary War Battles, 1775–1778
- Unit 5 Westward Expansion
- Unit 6 The Underground Railroad
- Unit 7 Chicago, 1900
- Unit 8 World War II in the Pacific
- Unit 9 Population Density of the United States in 2000