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Listed under:  Mathematics  >  Statistics and probability  >  Data representation
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How 'binary information' is communicated via the internet

Ever wondered how your photos, emails and messages get sent between devices? Watch as software engineer Tess Winlock explains what binary information is, and how it gets from one place to another. Can you explain what 'bits' are? How about 'bytes'? In the past, binary information was sent using physical systems like semaphore ...

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What are pixels?

Meet Kevin Systrom and Piper Hanson as they explain how digital images work. What are pixels, those tiny dots of light, made from? How are colours created and represented? What does Kevin say about the way mathematical functions are used to create different image filters. What is the difference between image resolution ...

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Green packaging lesson

This lesson plan engages students in finding ways to reduce plastic waste in food packaging. Students investigate problems created by plastic waste then observe ways these issues are being addressed. They design new packaging for food items that currently produce excessive waste then test their designs objectively. The ...

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Data Representation

Find out about Data Representation. 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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Binary numbers

This is a unit for Year 5 from the Scope and sequence resources from the DT Hub. The topic of Binary number system is organised into four key elements. Use this flow of activities to plan and assess students against the relevant achievement standards. Students develop an understanding of how computers store and transmit ...

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Computers and binary

This is a unit for Year 8 from the Scope and sequence resources from the DT Hub. The topic of data representation is organised into four key elements. Use this flow of activities to plan and assess students against the relevant achievement standards. Students examine the ways all computer data including text, images and ...

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User interface

Find out about User interface. 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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Representing images using binary

This is a unit for Year 6 from the Scope and sequence resources from the DT Hub. The topic of data representation is organised into four key elements. Use this flow of activities to plan and assess students against the relevant achievement standards. Students learn about pixels and the way computers store an image as an ...

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Collaborative project

This is a unit for Year 6 from the Scope and sequence resources from the DT Hub. The topic of collaboration and protocols is organised into four key elements. Use this flow of activities to plan and assess students against the relevant achievement standards. Using a relevant context such as disaster management, students ...

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How computers compute

Watch as Jamie Teherani from MIT, demonstrates how a big, mechanical computer made from wood works. What does it have in common with the high-tech computers of today?