Learning objective

  • To understand there are many different types of secret codes.

Success criteria

  • I can explain why codes might be valuable.
  • I

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National curriculum

Computing

Pupils should be taught to:

  • Solve

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Before the lesson

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Lesson plan

Recap and recall

Before starting this unit, you might want to check that children can recall: What copyright is and why we should seek permission to use other people’s photos, artwork and writing. You can use images, text, transitions and animation in presentation slides. World War 2 was a battle between two groups of countries called the Allies…

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Adaptive teaching

Pupils needing extra support

Should use the clues on the Activity: Codebreaker worksheet to help them break the codes; could be shown the Teacher video: Secret codes; could be given clues from the answer sheet.

Pupils working at greater depth

Should make connections between the different codes they have looked at.

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Assessing progress and understanding

Pupils with secure understanding indicated by: explaining that codes can be used

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Vocabulary definitions

  • acrostic code

    A type of code where the first letter of each word, line or paragraph, when put together, spells a message.

  • Caesar cipher

    A way in which every letter is replaced with another letter in a fixed number of places down the alphabet.

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Cat Lamin

Computing specialist

Cat Lamin Specialist Profile Picture April 2021
Cat is a former primary school teacher with 12 years of teaching experience. She has a passion for coding and computer science and specialises in supporting teachers who are getting started on their journey into using technology in the classroom. In 2017 she…
Find out more
Cat Lamin Specialist Profile Picture April 2021

Maintained by: Kapow Primary team

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