Task 3: Option 1

Year level: Pre-primary

Main Curriculum Link(s):

  • ACTDIK002: Data can have patterns and can be represented as pictures and symbols


Other Curriculum Link(s):

  • Arts: Use and experiment with different materials, techniques, technologies and processes to make artworks (ACAVAM107)


Specific Lesson Learning Goals

  • The main objective of this lesson is to learn how images are displayed on a computer.
  • They will also be introduced to the term “pixels”, which are building blocks of images.



  •     Hook: Show students a video clip from the movie “Pixel”. Ask them to have observed the video game characters look and discuss how do the characters like. Allocate time for students to have a discussion and encourage them to share their observation (I choose to use references from “Popular culture” as a hook to engage students in the lesson)


  • Then show the students a clear picture in the computer, and zoom it till it becomes unclear.
  • Ask students what they notice about the picture. How does the image look like? Is it like the video game character in the movie? What type of shapes can they see?
  • Explicitly explain that images are displayed on a computer, using pixels which are typically a tiny square or dot that contains a single point of colour of a larger image.



  • Rotation 1: Student will be given colour by number picture template. They are to colour the piece using warm colours. As an extension ( link with ARTS), instead of just colouring, the student can place the paper directly on the type of texture each number requires off. (e.g. for all the piece that has one’s, need to smooth texture rub)
  • Rotation 2: Using an app called “Colour by Number: Colouring Book Free – Pixel Art”.

Although, the activities are just colouring, the purpose is to assist students to understand, that each piece of a picture forms an image. This activity also requires students to use their number recognition skills while colouring.

1 comment

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  1. 1

    I saw that your article was intended for PP so I had to have a look. I think your colouring activity is great. I know we have been taught to steer away from simply giving students worksheets to colour however, this task also requires them to use their knowledge of numeracy to link to certain colours. I actually remember being in Year 1 and I loved to colour in (keeping ‘within the lines’) so I would have enjoyed this!
    To further illustrate teaching the students about pixels you could also introduce them to QR codes. The CSER Tutorial talked about colouring in these codes and playing around with filling in certain areas to see how it affected the outcome when displaying the code. You could ask the students to colour their codes as pixels (small squares) and add in extra pixels to see what happens.
    Another activity could involve using lego blocks (if the school has some). Groups of students could work together to try to recreate a picture supplied to them by using the lego- not building up, just on one level so when they stand over it and look down they see the image.

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