1. Subjects >
  2. Computing >
  3. Key stage 2 >
  4. Year 6 >
  5. Data handling 1: Big Data 1 >
  6. Lesson 1: Barcodes

Learning objective

  • To identify how barcodes and QR codes work.

Success criteria

  • I can identify
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National curriculum

Computing

Pupils should be taught to:

  • Understand
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Cross-curricular links

None.

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Before the lesson

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Lesson plan

Recap and recall

Before starting the unit, check that the children can recall: Some ways in which data can be transmitted or collected. Types of software they have previously used to store or collect data.  Reasons why data collection and analysis are important.  The type of data the Mars Rover was collecting.

Learning objective

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Extended-mode explainer videos

How to extend your display to view the lesson page and presentation mode simultaneously. Choose your operating system below to watch the video

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Extended-mode explainer video: For Mac

Extended-mode explainer video: For Windows

Adaptive teaching

Pupils needing extra support

Could practice using the device to scan QR codes before the lesson; Could look at some real-life examples of barcodes and QR codes, such as in library books, on menus and on food packaging.

Pupils working at greater depth

Could be challenged to create a QR code treasure hunt for their classmates using an online QR code generator.

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Assessing progress and understanding

Pupils with secure understanding indicated by: understanding why barcodes and QR codes

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Vocabulary definitions

  • barcode

    A machine-readable code made of lines and numbers that is printed on an item and then scanned to identify it and its information.

  • data

    Information used for a specific purpose or investigation.

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In this unit

Assessment - Computing Y6: Big Data 1

Lesson 1: Barcodes

Lesson 2: Transmitting data

Lesson 3: RFID

Lesson 4: Using RFID

Lesson 5: Transport data

Originally created by:

Kapow Primary team

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Maintained by: Kapow Primary team

Last update: 10th January, 2026

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Assessment – Computing Y6: Big Data 1 Previous Lesson
Lesson 2: Transmitting data Next Lesson

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