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Subjects

Art and design Computing Design and technology French Geography History Music Physical education Spanish Religion and worldviews RSE & PSHE Science Wellbeing

Lesson 2: Decomposition

Applying an understanding of decomposition to a real world task before analysing code from Scratch to figure out what it might do.

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Learning objective

To understand what decomposition is and how to apply it to solve problems.

Success criteria

I can decompose a problem.
I can use decomposition

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National curriculum

Computing

Pupils should be taught to:

Design,

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Cross-curricular links

Physical Education

Pupils should be taught

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Before the lesson

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Lesson plan

Recap and recall

Display the Presentation: Brain dump and hand out whiteboards and pens (one each).

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Adaptive teaching

Pupils needing extra support

Should identify two key features of the game and think about how to code them.

Pupils working at greater depth

Should think about extra features they could add to their game and how they might code them (e.g. adding further obstacles for the bug to bump into or making their bug bigger or smaller); could write a step-by-step explanation of how to decompose a piece of code.

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Assessing progress and understanding

Pupils with secure understanding indicated by: understanding what the different code blocks

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Vocabulary definitions

abstraction

Identifying the important detail and ignoring irrelevant information.
algorithm design

Creating a formula or set of instructions to solve the problem.

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