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Resource: picture book, biography
Time: 276 BC - 194 BC
Place: Greece
Summary:
Eratosthenes was a curious little boy who asked lots of questions. He loved math and geography. He went through school like many other little boys and went on to a higher education then onto the life of a scholar and writer. When he was 30 years old he was called to be the tutor of the king's son in Alexandria, home of the greatest library and museum in the world. He was appointed head librarian. He researched, studied, discovered and invented many things, including punctuation. His greatest accomplishment was a book about geography. To complete his book he had to work out how big around was the Earth. He did so. Illustrated in full color, this book has a wonderful forward and afterward by the author, discussing how the book came to be and a little bit about the history of the mathematics of navigation. I found the final words of the afterward to be particularly powerful: "All knowledge builds on existing knowledge. But it takes curiosity and inspiration of a man like Eratosthenes to figure out how to use that knowledge to answer old questions and create new ones that will alter civilization and our view of the world for years to come."
Potentially Objectionable Content:
none
Reading Level: grade 3 - 5
Lexile Measure: 840L
Guided Reading Level: S
Format Links
Kindle
Book
Additional Resources:
Eratosthenes Biography Notebooking Pages
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