.
├── Lesson Plan.pdf
├── Lesson Plan.tex
├── Welcome!.pdf
├── Welcome!.tex
├── Worksheet (Answer Key).pdf
├── Worksheet (Maddy).pdf
├── Worksheet.pdf
├── Worksheet.tex
├── area-between-curves.nb
├── index.html
├── introduction.key
└── introductory-activity.pdf
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