Selection

In this lesson, you will learn about expressions that evaluate to ‘true’ or ‘false’. You will also learn about IF statements by developing your Big Ed chat program from the previous lesson.

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.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Q1.The data linked to a variable is stored in the computers memory.

1/4

Q2.Variables can hold more than one value at a time

2/4

Q3.What would the output of "Say weather" be at the end of this program? (Source: Scratch)

3/4

Q4.What value would be held by the ‘name1’ variable and the ‘name2’ variable at the end of this program? (Source: Scratch)

4/4

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.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Q1.The data linked to a variable is stored in the computers memory.

1/4

Q2.Variables can hold more than one value at a time

2/4

Q3.What would the output of "Say weather" be at the end of this program? (Source: Scratch)

3/4

Q4.What value would be held by the ‘name1’ variable and the ‘name2’ variable at the end of this program? (Source: Scratch)

4/4

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.

Quiz:

Selection –

Helping you to assess what you have learnt this lesson

Question 1

Question 2

Question 3

Question 4

Q1.A selection statement evaluates an expression as what?

1/4

Q2.Which part of the following block of code would be considered the expression?

2/4

Q3.The lines of code following the "else" will only be executed if the expression has evaluated to false

3/4

Q4.What will be the output of this program when it is executed? (What will the sprite say?)

4/4

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.

Quiz:

Selection –

Helping you to assess what you have learnt this lesson

Question 1

Question 2

Question 3

Question 4

Q1.A selection statement evaluates an expression as what?

1/4

Q2.Which part of the following block of code would be considered the expression?

2/4

Q3.The lines of code following the "else" will only be executed if the expression has evaluated to false

3/4

Q4.What will be the output of this program when it is executed? (What will the sprite say?)

4/4

Lesson summary: Selection

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