# Introducing variables

In this lesson, we will explore using variables in computer programs. We will explore variables in Scratch as well as designing and writing our own short programs.

# 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.

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

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

# Variables in games

Materials from the Teach Computing Curriculum created by the National Centre for Computing Education

Q1.Clicking on which colour ball will increase the value of score by 10?

1/3

Q2.If the cat sprite is clicked on twice. What will the value of score become?

2/3

Q3.To turn the design into code what values would need entering into boxes A and B?

3/3

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

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

# Variables in games

Materials from the Teach Computing Curriculum created by the National Centre for Computing Education

Q1.Clicking on which colour ball will increase the value of score by 10?

1/3

Q2.If the cat sprite is clicked on twice. What will the value of score become?

2/3

Q3.To turn the design into code what values would need entering into boxes A and B?

3/3

# Lesson summary: Introducing variables

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga