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Algorithms

Find out about algorithms. 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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How computer-based algorithms help us

It takes a few fractions of a second to get the results of a search on the internet. This speed is not only achieved through powerful computers but also through the creation and tuning of advanced algorithms, which make software much more efficient. Discover who creates these algorithms and how.

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Algorithms inspired by ants?

Did you know that ant behaviour inspired the creation of the software that runs our phone networks? What other things has it inspired? What new discovery has scientist Chris Reid made about the ability of ants to navigate? And how might this new insight influence computer networks of the future?

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A palindrome for numbers

A palindrome is a word, sentence or verse that reads the same forward and backwards, that is, from right to left and left to right. RACECAR, KAYAK and even BOB are palindromic words. But did you know that palindromes exist in numbers too? Discover a fascinating sequence of steps that can turn any number into a palindrome. ...

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Can you solve the 'travelling salesman problem'?

Imagine you are a salesperson having to travel between multiple locations. How would you achieve this in the quickest way possible? This is a problem that has stumped mathematicians for decades, and there is even a prize for anyone who can come up with an algorithm to solve it. In this video, three methods are used to try ...

Online

Buzzing with Bee-Bots

This learning sequence Buzzing with Bee-Bots can be used to develop foundation skills in computational thinking and to develop an awareness of personal experiences using digital technologies. Students follow and describe a series of steps to program a floor robot. They plan a route to program a robot to follow a path and ...

Interactive

The Foos: Free Code Hour - iTunes app

Learn programming skills by animating characters in the puzzle levels. Use your new programming skills to create interactions between characters in the 'toy box' area. Free when reviewed on 12/5/2015.

Interactive

Blue-bot - iTunes app

This app is made to be used in conjunction with the TTS floor robot, Blue-Bot. Write an algorithm and Blue-bot follows your instructions. Learn how to code using directional language. Free when reviewed on 12/5/2015.

Interactive

Daisy the dinosaur - iTunes app

Use directional language to animate Daisy the Dinosaur. Make Daisy roll, jump and turn using a simple interface. A basic introduction into programming. Free when reviewed on 12/5/2015.

Interactive

Scratch Jr - iTunes app

Learn programming skills by snapping together programming blocks. Make characters walk, jump, dance and sing. Add your own voice or modify your own characters and make your own interactive story. Free when reviewed on 12/5/2015.

Interactive

Scratch Jr - Google Play app

Learn programming skills by snapping together programming blocks. Make characters walk, jump, dance and sing. Add your own voice or modify your own characters and make your own interactive story. Free when reviewed on 12/5/2015.

Interactive

The Foos: Free Code Hour - Google Play app

Learn programming skills by animating characters in the puzzle levels. Use your new programming skills to create interactions between characters in the 'toy box' area. Free when reviewed on 12/5/2015.

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Unplugged Activity: Graph Paper Programming

This video introduces one of code.org's unplugged activities and provides an introduction to programming without the use of computers. One student takes on the role of "programmer", drawing arrows and scribbles on paper to guide the other student to re-create a particular picture. For more information on the activities ...

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Unplugged Activity: My Robotic Friends

This video introduces one of code.org's unplugged activities and provides an introduction to programming without the use of computers. One group of students take on the role of "programmer", drawing arrows on paper to guide the other group of students, the "robots" to build a stack of cups in a particular configuration. ...

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Unplugged Activity: Computational Thinking

This video introduces one of code.org's unplugged activities. It discusses a lesson on Computational Thinking, designed to show you how to take a big difficult problem and turn it into several simpler problems. The goal of the lesson is for a group of students to write a set of instructions for another group of students ...

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Hour of Code: Bill Gates explains If statements

The Hour of Code is a one-hour introduction to computer science, designed to demystify code and show that anybody can learn the basics. In this video, Bill Gates, creator of Microsoft introduces the If statement. He explains that the If statement is a fundamental concept in computer programming. By demonstrating the use ...

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Hour of Code: Chris Bosh teaches Repeat Until statements

The Hour of Code is a one-hour introduction to computer science, designed to demystify code and show that anybody can learn the basics. In this video, basketball star Chris Bosh explains the difference between a Repeat Until command and a Repeat Loop command. This is the third of seven clips in the Hour of Code tutorial. ...

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Hour of Code: Introduction

The Hour of Code is a one-hour introduction to computer science, designed to demystify code and show that anybody can learn the basics.  This video explains what computer science is and what a computer programmer does. This is the first of seven clips in the Hour of Code tutorial. To try your hand at coding visit learn.code.org

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Hour of Code: Mark Zuckerberg teaches Repeat Loops

The Hour of Code is a one-hour introduction to computer science, designed to demystify code and show that anybody can learn the basics. In this instructional video, Facebook's Mark Zuckerberg explains what a Repeat Loop is and how to use the repeat block. This is the second of seven clips in the Hour of Code tutorial. To ...

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Hour of Code: Saloni on the If/Else block

The Hour of Code is a one-hour introduction to computer science, designed to demystify code and show that anybody can learn the basics. In this video, Saloni explains what an If/Else statement is and looks at how If/Else blocks can be used to program the movement of a zombie character. This is the fifth of seven clips in ...