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K12 Reader
Anatomy of a Circle
Make sure your learners are well-versed in circles with a reading passage. Pupils will pick up some important circle-related terms as they read and respond to the five included questions.
TED Talks
Ted: Ted Ed: Pi With Pies
Numberphile did something crazy - attempted to calculate Pi using real Pies. Watch and see how close they got to the real figure of 3.14159265359. [3:13]