Learning objective

  • To represent binary as text.

Success criteria

  • I can recall that binary is the main
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National curriculum

Computing

Pupils should be taught to:

  • Understand
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Before the lesson

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Lesson plan

Recap and recall

Explain that the children will reflect on what they learnt about binary and data size in the previous lesson. Display the Presentation: 3, 2, 1 and hand out the whiteboards and pens. Read the slide and allow time for the children to write their responses.

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Adaptive teaching

Pupils needing extra support

  • Could use the Resource: Binary text table (support) alongside the Activity: Binary text (support) to convert individual letters into 8-bit binary step by step while creating a simple message.
  • Could create their name instead of a full message to reduce the amount of encoding required while still meeting the success criteria.

Pupils working at greater depth

  • Should explain how ASCII represents text by describing how characters are converted into binary and how start and end text codes are used.
  • Could extend their message by adding additional words or punctuation and checking accuracy by decoding it back into text.
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Assessing progress and understanding

Pupils with secure understanding indicated by: relating binary signals (Boolean) to a

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Vocabulary definitions

  • ASCII

    American Standard Code for Information Interchange is a code that represents text in computers.

  • binary

    A system computers use to store information using only 0 and 1.

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Contributors

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Computing specialist

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