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Year 9

Lesson 3 Collage

Curriculum > KS3 > Unit > Lesson

After introducing learners to the ideas behind digital image representation, it’s now time for a hands-on approach. In this lesson, learners will use appropriate software to perform a range of image manipulation functions and complete specific tasks and challenges. Learners will already have varying levels of experience and proficiency in using image editing software, so this is a flexible lesson, with a range of activities provided to suit different needs and tastes. Please note that this lesson is not intended to be a comprehensive introduction to image editing.The instructions in the worksheets are tailored to GIMP (GNU Image Manipulation Program, available at, which is open-source and cross-platform. However, the tasks can be performed with most image editing software.

Learning objectives

  • Perform basic image editing tasks using appropriate software and combine them in order to solve more complex problems requiring image manipulation
  • Explain how the manipulation of digital images amounts to arithmetic operations on their digital representation
  • Describe and assess the creative benefits and ethical drawbacks of digital manipulation [Education for a Connected World](

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  • Unit overviews
  • Activities
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