Lesson
Grades
- 7
- 8
Eli Whitney invented the Cotton Gin and in turn changed the path of America and its fortune. Read this excerpt from his obituary: Judge Johnson, of South Carolina, speaking of this invention, in 1807...
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Standard 7.RP
7.RP - Ratios and Proportional Relationships
Grade(s): 7
Subject(s): Math
Year: 2015