## Listing all results (16)

### Primary Cryptography Lesson

This Key Stage 2 activity teaches children about communicating securely.

The children learn that messages throughout time have been be encrypted and decrypted using ciphers.

They explore cryptography and gain an understanding of need for secure communications.

Get more free computing lesson...

### 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.

### Case Study - teaching how search engines work with primary children

This resource focuses on giving the students an understanding of what the internet is and then teaches them how search engines work using an unplugged and kinaesthetic approach. In the final session, the operation of a search engine is modelled.

Peter Gaynord is the author of this resource.

### Computer networks

A very comprehensive article explaining how computers communicate, what the internet is and what services run on it. On the third page (labelled page 34) there is a very good unplugged classroom activity that can be used to model how packets of data are passed by the internet. The document also contains classroom...

### Relational Databases -Santa's Workshop

A resource aimed at the various GCSE Specifications for Computing. Activities are broken down into 14 stages and will require students to create a Relation Database in Microsoft Access, containing data that Santa would find useful when creating his naughty and nice list. Students will need...

### GCSE Computing Theory

A teacher produced workbook containing activities focused solely on database parts. The resource consists of a section on databases, a discussion of the pros and cons of flat file databases versus relational databases  which leads into how to create tables, insert data into them and then interact with them using...

### GCSE Data Representation

A series of 20 activities related to Data Representation in the GCSE Syllabus. Activities include worksheets on Binary (including addition, shifting and conversions), character encoding systems, various aspects of how audio files are created and stored, Huffman Tree encodings, Denary and Hexadecimal conversions,...

### Data representation and Binary Numbers

This resource contains a number of activities and worksheets to support the topic of binary numbers. The content looks first at binary numbers, how they represent denary numbers, converting between the two, binary addition and using two's complement to represent negative numbers and thus perform subtraction. These...

### Data representation Images

This resource consists of 2 A3 Active Learning worksheets which could be used to either introduce and record information about data representation, or as a revision tool. There are plenty of activities across the two pages that would allow students to either recap work they have previously covered or to research...

### Binary Data Representation

This resource looks at binary data and contains an Excel workbook with macros to enable recolouring/checking the colour of cells. A series of binary numbers are given in a rectangular grid of cells on the left when the workbook is first opened. Students are required to recolour the original binary grid, to show the...