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Listed under:  Health  >  Psychology  >  Cognition  >  Thinking  >  Reasoning  >  Mathematical proofs
Video

Mystery man Pythagoras meets his match

What do you know about Pythagoras? Join Vi Hart as she not only explains his theorem but raises some legends about his dark past! Follow Vi's timeline of famous mathematicians to find out in which century Pythagoras lived. See how Vi shows a proof of his theorem and raises what was a big dilemma for Pythagoras: the irrational ...

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Probability

This is a teacher resource for probability consisting of a website and a PDF with identical content. It contains an introduction to probability, a discussion of random procedures, a formal approach to events and event spaces and probability axioms, conditional probability and independence, and the laws of probability.

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TIMES Module 20: Measurement and Geometry: parallelograms and rectangles - teacher guide

This is a 17-page guide for teachers. It contains the definitions, properties and tests for parallelograms and rectangles. Proofs of the properties and tests are given. Constructions for parallelograms and rectangles are given.

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Exploring and applying Pythagoras’ theorem

These four lessons targeting students Year 8, can be used as stand alone or as a sequence of lessons. The series of lessons progressively introduce, explore, and apply the theorem in various contexts. Students investigate practical and theoretical problems involving right-angled triangles, discover Pythagorean triples, ...