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Lesson 2: Binary code

Learning that information collected by Mars Rover has to travel as ‘data’ and be translated into binary code.
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A screen with green 1s and 0s all over it, to show the binary number system.

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Learning objective

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Before the lesson

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Lesson plan

1. Recap and recall

Explain that the children will create a mind map to help them remember what they learnt about Mars Rovers in the previous lesson. Hand out whiteboards and pens and display the Presentation: Mind map. Read the slide aloud and allow time for the children to complete the activity.

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Teach in presentation mode

In this unit

Assessment – Computing Y5: Mars Rover 1Lesson 1: Mars Rover
Lesson 2: Binary code
Lesson 3: Computer architectureLesson 4: How computers store data using binaryLesson 5: Using binary – text
Created by:
Kapow Primary Team
Kapow Primary Team
Our team comprises experienced classroom teachers who love the foundation subjectsFind out more
Maintained by: Kapow Primary teamLast update: 15 April 2026

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