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North Sea Rocks

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Hello World Haskell for Key Stage 1 and PD

In this article from Hello World we discuss how the foundations of computer science can contribute to Key Stage 1 mathematics and vice versa.

The surprising things you don’t know about big data

A detailed infographic covering the concept of Big Data. Each graphic tackles a different aspect of this phenomena, including data sizes, big data companies, the past, present and future of big data and how data will impact society. Suitable for students aged 11 - 16 years,  the information is easy to comprehend...

Databases unplugged

This report gives details of a series of computing lessons designed to relate fundamental concepts of database use and design to children in Primary and Secondary Education (ages of 6 to 16). The skills and concepts developed in these lessons begin at a very simple level but progress to cover abstract...

Modems unplugged - sound representation

All data on computers is stored and transmitted using the binary number system. When the binary digits need to be sent over the phone lines (which often happens in home internet connections), the digits are converted to sound and decoded at the other end using a modem. This activity uses audio coding similar...

Binary bracelets

This resource introduces binary data to students via the creation of bracelets which display their name in binary. This lesson helps to demonstrate how it is possible to take something that we know and translate it into a series of ons and offs (ones or zeroes). The resource contains a lesson plan and related...

Explaining data packets

An unplugged activity that simulates how data travels around the internet in packets. It involves cutting up pictures into ‘packets of data’ and then sending them to other students for them to reassemble the picture.

Gary Setchell is the author of this resource.


Binary and bitmapped images

A series of spreadsheet-based activities to simulate both binary and hexadecimal encoded image files. The students are required to convert between binary and hexadecimal as well as to and from denary as part of the process of solving these puzzles. The worksheet contains a number of example pictures which the...

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