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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 ...

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How to Use Scratch: Making Sprites interactive

Make your Sprite jump, move, say something or change costume.

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MathXplosion, Ep 47: Creative problem solving

Have you ever had a problem you couldn't solve? Here's an idea: act it out! You can use puppets, objects or people to act out the problem by trying to do what the people or things in your problem do. It will help you because you are actually doing the problem!

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How to Use Scratch: Deleting the Cat Sprite

A computer character is called a 'sprite'. Can you delete the cat sprite from your Scratch card?

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How to Use Scratch: Intro to Scratch 2.0

Want to make your own games? Scratch is a programming language, created by MIT, that makes it easy to create interactive art, stories, simulations, and games. Explore your ideas and share your creations online.

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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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Create your own card game

Grab a deck of cards and a bunch of friends and create your own card game. What sort of rules will you decide on? Get a pen and some paper out and brainstorm some possibilities. You might decide on something like 'If I draw a red card, I get a point' and 'If I draw a black card, you get a point.' What other rules can you ...

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Telling robots what to do

If you were programming a robot to play a competitive game of soccer, what are some of the things you would consider? Think about some of the most basic functions of a robot, like walking, stopping and turning, to more complicated functions like recognising objects and reacting to them in a specific way.

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How to Use Scratch: Adding a Sprite

So, you have your new project in Scratch - now it's time to add a Sprite!

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Hour of Code: Saloni teaches If/Else statements with Scrat the Squirrel from Ice Age

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. With the help of Scrat the Squirrel from Ice Age, she goes on to demonstrate how If/Else blocks can be used to program characters' ...

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How to Use Scratch: Adding sounds to your Scratch project

There are all sorts of sounds you could add to your Scratch project. Give your project that extra 'oomph' by adding sounds.

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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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MathXplosion, Ep 46: Can you solve the Three Cups Problem?

Find three cups, place them in a line and turn one cup facing down. Can you get all three cups facing down after making exactly three moves? The one rule is: for every move, two cups must be flipped simultaneously. Since the goal is to get all three cups facing down (an odd number) and you start with one cup facing down ...

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How to Use Scratch: Imagining your interactive Holiday Card

Snowmen? Spooky Halloween ghosts? The Easter bilby? What images come to mind when you think of Holidays? Get some ideas for your Scratch Holiday Card

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How to Use Scratch: Making a Sprite Move

Tell your Sprite where to go - get your Sprite to move in all different directions - left, right, up, down

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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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MathXplosion, Ep 20: Crack an ancient Roman code

Decrypt the ancient cipher box used by Julius Caesar over 2,000 years ago! By shifting the alphabet or replacing one letter for another further down the alphabetical sequence, you can crack a coded message. The secret to a cipher is one special piece of shared information, known as a key. This shared key is required for ...

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How to Use Scratch: Adding Background Images

Make your project come alive by adding a backdrop - anything from a stage to a snow scene or, just draw your own.

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How to Use Scratch: Creating an interactive Holiday Card Activity

Looking for a simple project to get you started in Scratch? Add characters, animate them, create and share your own interactive Holiday Card.

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How to Use Scratch: Changing Colours of objects in Scratch

Make the images and objects in your project change colour when they are clicked!