Computing

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Loop the loop

In this lesson, we will take a look at all of the types of loops that you can use in Scratch. We will learn how to evaluate which loop to choose for each problem that we want to solve.

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!

Q1.A learner has created the following piece of code to check if a password is correct or not. They want to improve it so that it will only give a maximum of three attempts before locking them out of the game for 60 seconds. What programming construct should they use for this? (Source: Scratchblocks)

1/3

Q2.A learner has created the following block of code, when will the loop terminate? (Source: Scratchblocks)

2/3

Q3.What will be the output of this program when it is executed? What will the sprite say? - (Source: Scratchblocks)

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.

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!

Q1.A learner has created the following piece of code to check if a password is correct or not. They want to improve it so that it will only give a maximum of three attempts before locking them out of the game for 60 seconds. What programming construct should they use for this? (Source: Scratchblocks)

1/3

Q2.A learner has created the following block of code, when will the loop terminate? (Source: Scratchblocks)

2/3

Q3.What will be the output of this program when it is executed? What will the sprite say? - (Source: Scratchblocks)

3/3

Video

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Worksheet

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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:

Loop the loop!

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

Q1.What does this block of code do? (Source: Scratchblocks)

1/3

Q2.Which type of loop should you use in Scratch if you want to repeat some instructions for a set amount of times?

2/3

Q3.All of the blocks of code below will execute a countdown timer. Select the most appropriate block for this purpose when using Scratch. (Source: Scratchblocks)

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.

Quiz:

Loop the loop!

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

Q1.What does this block of code do? (Source: Scratchblocks)

1/3

Q2.Which type of loop should you use in Scratch if you want to repeat some instructions for a set amount of times?

2/3

Q3.All of the blocks of code below will execute a countdown timer. Select the most appropriate block for this purpose when using Scratch. (Source: Scratchblocks)

3/3

Lesson summary: Loop the loop

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Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance

The next lesson in:
Programming essentials in Scratch: part II
is:
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