The infinite life of pi
http://www.youtube.com/watch?v=9a5vHXsUvUw
http://ed.ted.com/lessons/the-infinite-life-of-pi-reynaldo-lopes (Alternate link)
Publisher, TEDEd, Video, YouTube
The ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite number of digits, so we'll never figure out its exact value no matter how close we seem to get. Reynaldo Lopes explains pi's vast applications to the study of music, financial models, and even the density of the universe.
11 July 2013 Edit: 25 February 2014
- The Australian Curriculum
- Measurement and Geometry, Using units of measurement, ACMMG197 Year 8 Investigate the relationship between features of circles such as circumference, area
- The Australian Curriculum Version 9.0 New
- Year 7, Measurement Year 7, AC9M7M03 describe the relationship between π and the features of circles including the circumference
- NSW Mathematics K-10 Syllabus
- Measurement and Geometry, MA4-13MG Area
- NSW Curriculum New
- Measurement and space, Area and surface area, MA4-ARE-C-01 Area
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