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.”
