Lesson Plan

Smithsonian Learning Lab: The Expansion of the United States, 1846 48

Curated by ACT

This online lesson plan shows students through primary sources how the borders of the U.S. changed in just a few years. They are asked to analyze maps and use map skills. All maps and worksheets are included as well as additional resources.

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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)