Red, Blue, Yellow
Sort coloured circles on screen into the right data buckets.
How computers do this
Sorting colour data into buckets is how a computer organises information by type.
Class 1 to 2beginner10 min2 lessons1 interactive lab
By the end you will be able to
- Name red, blue and yellow colour data
- Drop each colour into its bucket on screen
- Check bucket labels like a sorting algorithm
Finish first
Topic contents
Computer play 1 of 2
Three colours
Computer lab
Colour bucketsTap a circle, then tap its matching bucket.
Tap a circle, then tap its bucket.
Grown-up note (read aloud)
Red, blue and yellow are three kinds of colour data on screen. Three buckets, three groups for the computer to sort.
- Three colour groups on screen
- Each colour data has a home bucket
Computer play 2 of 2
Drag and drop
Grown-up note (read aloud)
Move each circle to the bucket that matches its colour data. Wrong bucket? Try again. That is sorting on screen.
- Match colour data to bucket
- Sorting fixes mistakes
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 attemptedPicture check
Tap your answer
Pick the picture that answers the question. A grown-up can read the words.
0/4
4 of 4 questions left.
Finished this topic?
0 of 2 lessons marked done. Marking the topic complete ticks the rest.
