Irrational Numbers

Although the Greeks initially thought all numeric quantities could be represented by the ratio of two integers, i.e. rational numbers, we now know that not all numbers are rational. How do we know this?
Resource ID#: 122665 Type: Video/Audio/Animation
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Direct Link: http://whyu.net/media/download/Pre-Algebra%2032%20-%20Irrational%20Numbers%20-%20small.mp4

General Information

Subject(s): Mathematics
Grade Level(s): 8
Intended Audience: Educators educators, Students
Suggested Technology: Computer for Presenter, Computers for Students, Internet Connection, Interactive Whiteboard
Instructional Time: 7 Minute(s)
Keywords: irrational numbers;, rational numbers;, integers;
Instructional Component Type(s): Video/Audio/Animation
Resource Collection: Secondary Math specific existing tutorials

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