# Bubble sort

This lesson introduces learners to the first sorting algorithm in this unit: bubble sort. They will discuss why and where sorting is used in real life, become familiar with performing a bubble sort on a set of data, and investigate the efficiency of bubble sort.

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

- Click "Close Video"
- Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

# Lesson summary: Bubble sort

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The next lesson in Algorithms is "Insertion sort"