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Listed under:  Mathematics  >  Number (Mathematics)  >  Number operations  >  Division  >  Remainders
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Home energy use

Reducing carbon dioxide emissions and sustainable energy use and are two of the major issues facing the world today. This project explores energy use in homes, and compares individual energy use with the class average and calculate and graph CO2 emissions.

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Introduction to binary

This sequence of lessons focuses on what a binary number is, what a decimal number is, why binary numbers are important in digital systems and how to read and understand a binary number.

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Aviator William Ewart Hart's biplane, 1911

This is a 23.4 cm x 38.8 cm sepia-toned photograph of the homemade biplane of one of Australia's first aviators, William Ewart Hart (1885-1943), after its 1911 landing on the Sydney Showground, New South Wales. A crowd has gathered around the aircraft, obscuring Hart from view.