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New
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Year 3

Ordering commands

I can recognise that the order of commands in a program can affect the output.

icon-background-square
New
New
Year 3

Ordering commands

I can recognise that the order of commands in a program can affect the output.

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Lesson details

Key learning points

  1. Each sprite can have its own sound.
  2. The order of a sequence is important to achieve the intended outcome.
  3. Sound blocks can be used to play more than one note or sound at the same time.

Keywords

  • Order - the way things are arranged in a sequence

  • Notes - the duration and pitch of a sound

  • Chord - two or more notes played together at the same time

Common misconception

The order of a sequence in a program doesn't matter.

A computer will only follow the directions it is given. A program will follow the sequence it is given and the sequence will affect the output, even if this output is incorrect.

Pupils were introduced to the concept of sequences in the previous lesson. Recall this information and get pupils to reflect on what would happen if the order of a sequence was different. In some sequences this isn't vital but in others it can mean the outcome is not as expected.
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Teacher tip

Equipment

All pupils require access to devices that have or can access the online version of Scratch. Starter programs are linked to the lesson and can be remixed as required.

Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
Different sprites can have different sequences of events.
Correct answer: True
False
Q2.
What type of code block is this?
An image in a quiz
Correct Answer: Event
Q3.
If the order of a set of blocks is changed, the sequence changes.
Correct answer: True
False
Q4.
A can be created to plan how something will look or work.
Correct Answer: design
Q5.
Which event block should be used if you want a project to run when it is started?
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
Q6.
Lucas wants his sprite to go to a random position when the project is started and then turn clockwise 95 degrees. Which code block should he use?
An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
Q2 Scratch Foundation under CC BY-SA 2.0 Q5 image 1 Scratch Foundation under CC BY-SA 2.0 Q5 image 2 Scratch Foundation under CC BY-SA 2.0 Q5 image 3 Scratch Foundation under CC BY-SA 2.0 Q6 image 1 Scratch Foundation under CC BY-SA 2.0 Q6 image 2 Scratch Foundation under CC BY-SA 2.0 Q6 image 3 Scratch Foundation under CC BY-SA 2.0 Q6 image 4 Scratch Foundation under CC BY-SA 2.0

4 Questions

Q1.
This sprite will have musical notes as a sound.
An image in a quiz
True
Correct answer: False
Q2.
Put the following into the correct sequence.
1 - Get socks from the drawer
2 - Put socks on
3 - Put shoes on
4 - Fasten shoelaces
Q3.
By playing notes in a sequence you can create a .
Correct Answer: song, tune, music
Q4.
Which sound block should you use if you want to play a chord?
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
Q1 Screenshot © Scratch Foundation under CC BY-SA 2.0 Q4 image 1 Scratch Foundation under CC BY-SA 2.0 Q4 image 2 Scratch Foundation under CC BY-SA 2.0