Florida SS.5.A.6.4

Social Studies5th GradeGrowth and Westward Expansion

The Standard

Explain the importance of the explorations west of the Mississippi River.

Florida Next Generation Sunshine State Standards for Social Studies

Teacher's field guide

What Students Need to Do: Students identify what western expeditions mapped, recorded, and reported. They explain how that information supported trade, settlement, national claims, and later expansion.
What Mastery Looks Like: Students connect specific findings from Lewis and Clark or Zebulon Pike to later actions by the United States. They support each connection with map or source evidence.
Common Misconceptions: Students may think explorers discovered land that was empty or unknown to everyone. They may also confuse exploration with settlement and overlook Native peoples’ knowledge and assistance.
How to Assess It: Give students a western expedition map and ask: How did this expedition make later expansion easier? Require two details from the map or notes.

Lesson moves

Have pairs trace expedition routes on a blank map, then place labels for rivers, mountains, Native nations, and recorded resources.
Ask students to write: Which expedition finding most influenced later expansion, and what evidence supports your choice?
Play a card match where students pair expedition findings, such as river routes or mountain barriers, with effects on trade and settlement.
Compare an expedition route with a modern highway map, then identify cities, roads, or parks that follow or remember that route.

Keep exploring

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