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Listed under:  Technologies  >  Information and communication technologies  >  Information management
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Seeing the big picture

This practical lesson sequence examines lossy and lossless techniques of data compression. Students perform comparisons of various compressions on a variety of images.

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Binary

Find out about the binary number system, a base-2 number system. Use this topic from the Digital Technologies Hub to learn more, get ideas about how to teach about it, find out what other schools are doing and use the applications and games in the classroom.

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Rubbish recording and reduction: Part 1

In this lesson sequence students survey and collect data concerning what is brought to school each day and subsequently becomes rubbish. They then use Excel to represent that data in a variety of different ways.