# Subroutines

In this lesson, we will formalise our definition of a subroutine. We will find out why they are used in programming and we will also learn how to pass values to them.

# 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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Subroutines

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.In the image above, how many parameters does the subroutine "calculate" take?

1/3

Q2.In the image above, which one of the statements below best describes what is happening at line 10?

2/3

Q3.Using the image above, on line 1, are "a" and "b" described as arguments or parameters?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Subroutines

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.In the image above, how many parameters does the subroutine "calculate" take?

1/3

Q2.In the image above, which one of the statements below best describes what is happening at line 10?

2/3

Q3.Using the image above, on line 1, are "a" and "b" described as arguments or parameters?

3/3

# Lesson summary: Subroutines

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## Time to move!

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For 5 mins...

Move around:
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On the spot:
Dance