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Color a Picture

Tap pixel squares on screen to fill a tiny picture with colour data.

How computers do this

Every picture on a computer screen is made of tiny coloured squares called pixels.

Class 1 to 2beginner10 min2 lessons1 interactive lab
By the end you will be able to
  • Tap a pixel square to add colour data on screen
  • Make a simple picture from pixel data
  • Use two or three colours in your pixel grid

Finish first

Computer play 1 of 2

Tiny squares

Computer lab

Pixel painter

Tiny squares make a picture
1 / 4

First square

A picture on a screen is made of tiny coloured squares called pixels. Colour one square.

Grown-up note (read aloud)

Pictures on a computer screen are tiny coloured squares called pixels. Tap a square to paint colour data into it.

  • Pixels are tiny squares on screen
  • Tap to add colour data
Next

Computer play 2 of 2

Pick a colour

Grown-up note (read aloud)

Choose a colour first, then tap pixel squares on screen. Change colour to add more detail to your picture data.

  • Pick colour data then tap
  • More pixels, more picture on screen
Next

Practice

Try at home

No answer key here on purpose: these are the questions worth thinking through before you move on. Open one and work it out.

0/2 attempted

Picture check

Tap your answer

Pick the picture that answers the question. A grown-up can read the words.

0/4
  1. Question 1: Pixel on a computer screen is…
    Question 1 / 4

    Pixel on a computer screen is…

    Select an option first
  2. Question 2: To paint a pixel square you…
    Question 2 / 4

    To paint a pixel square you…

    Select an option first
  3. Question 3: Many pixels on screen make…
    Question 3 / 4

    Many pixels on screen make…

    Select an option first
  4. Question 4: Change colour data by…
    Question 4 / 4

    Change colour data by…

    Select an option first
4 of 4 questions left.

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