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Using the pen in scratch

Learning Intentions

  • How to draw using Scratch
  • How to write a series of instructions to tell a computer to draw

Success Criteria

  • I am able to make simple shapes in Scratch using a series of instructions

What you will be learning

  • In this lesson you are going to be using the Scratch pen to perform drawing operations.
  • The purpose of this lesson is to obtain further knowledge and understanding of how to write computer programs as a series of instructions

Using the pen in Scratch

Using the pen requires a lot of thought

  • Using the pen in Scratch requires us to set a specific set of instructions for the computer to follow.
  • If one of the instructions is not correct, the shape that comes out will not be correct.
  • A lot of the time, using the pen will require a lot of trial and error.

Plugins

  • Computer programs, including Scratch itself, often require what is known as a plugin.
  • A plugin is a special piece of code that extends the functionality of an existing program.
  • The pen tool is a Scratch plugin that you will need to add at the start.
  • Do not forget to do this first by clicking the blue button at the bottom:

Challenge

  • What shape will this draw?

Triangle

Square

Circle

Work through Lesson 6 from the Scratch booklet.

 

Extension: begin working on your own game or animation

Task

Presentation Overview

Pupils will experiment with the pen tool in Scratch, giving them a deeper understanding of the importance of order of instructions in computer programming, as well as giving them the chance to experiment with further Scratch functionality.

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S1 Computing : Scratch : 6 Using the pen in Scratch
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