Introduction to variables in Scratch - Barclays Code Playground
Key Stage: Key Stage 2 Coding Language: Scratch Resource type: Lesson plan and teacher guide
Resource overview
In a program, data values can be constant or variable. If data values are variable they can be changed by the program and the user, for example, when the user is asked a question like their age. Variables may change during program execution.
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Key resource information
- You will need: Laptops or desktop computers, access to https://scratch.mit.edu
- Some experience with a block based programming language is helpful, but not essential.
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Teaching assessment opportunities
- Have the children try out each other’s code – did they all use the same blocks?
- What was different?
- What is the benefit of using variables in your programme, instead of keeping score on paper?
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Lesson length
- 45 minutes
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Pupil objectives
- "I understand what a variable is and can use them in my programming with various outputs”
- “I understand the operation of a process and its outcome. I can structure related items of information.”
- “I can compare, describe and show number relationships, using appropriate vocabulary and the symbols for equals, not equal to, less than and greater than.”
Extension activities
Activity book
Magic dinosaur
Ask the magic dinosaur any question to get an answer. Code along as we start to look at how we use list variables in our projects. Using lists is a great way to help make your coding neater and easier to use. Click to watch the video, and for this project you will also need to access scratch.mit.edu
Building your curriculum
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Introduction to loops - Scratch
Creating clear and simple code makes fixing, or debugging, your code much easier and using loops to simplify your instructions is a great way to start writing efficient code. In this lesson get the class moving as they learn about loops through dance before moving on to create a drawing project using loops in Scratch.
