Lesson 4: Invention

Designing new inventions, which must include inputs and outputs, explaining how an idea works and how it is controlled using all the knowledge learnt so far

Learning objective

  • To create a design for an invention

National curriculum

Pupils should be taught to:

  • Use logical reasoning to predict the behaviour of simple programs
  • Recognise common uses of information technology beyond school

Success criteria

Cross-curricular links

Before the lesson

Attention grabber

Main event


Pupils needing extra support: Use the flying chair to help imagine with a real focus point. They may also need help writing key words in their design.


Pupils working at greater depth: Should give a detailed explanation of how their invention works, including referencing inputs and outputs, with some understanding of sequencing.

Wrapping up

Assessing pupils' progress and understanding


Created by:
Sway Grantham,  
Computing specialist
Sway Grantham (@SwayGrantham) is a Primary School Teacher, a CAS Master Teacher and Specialist Leader in Education for Primary ICT. She also has a BCS Certificate in Computer Science Teaching (Primary). She has written several curricula and conducted research into the…
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