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Year 4

Creating games

I can create a project that includes repetition.

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New
New
Year 4

Creating games

I can create a project that includes repetition.

Download all resources
Share activities with pupils

These resources will be removed by end of Summer Term 2025.

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These resources were created for remote use during the pandemic and are not designed for classroom teaching.

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Lesson details

Key learning points

  1. A program can be built by implementing a design and algorithm into code.
  2. The order of blocks inside a loop affects the outcome.
  3. Testing and debugging are necessary steps when building and refining a program.

Keywords

  • Algorithm - a sequence of steps that can be followed to do a task

  • Debug - the process of finding and correcting errors in code

Common misconception

The order of the blocks inside a 'forever' loop doesn't really matter, as long as they are all in there.

The order of the blocks inside a loop can matter, and running them in a different sequence may affect the game.


To help you plan your year 4 computing lesson on: Creating games, download all teaching resources for free and adapt to suit your pupils' needs...

If pupils do not have a game design sheet, they can use the included Bat catching game design sheet.
Teacher tip

Equipment

Bat catching game design sheet, Scratch

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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Prior knowledge starter quiz

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6 Questions

Q1.
What is the main reason for using repetition in a programme?
to make the code shorter
to change the background
Correct answer: to run the same instructions multiple times
to add more sprites
Q2.
Which of these best describes an algorithm?
a colourful sprite
Correct answer: a list of precise steps to complete a task
a random set of instructions
a single command
Q3.
Why might you select key parts from another project for your own design?
Correct answer: to save time and use good ideas
to delete the old project
to change the project’s name
to add extra backgrounds
Q4.
Match the action to its purpose.
Correct Answer:adding repetition,to repeat actions

to repeat actions

Correct Answer:selecting key parts,to use useful ideas

to use useful ideas

Correct Answer:writing an algorithm,to plan your steps

to plan your steps

Correct Answer:testing your project,to check if it works

to check if it works

Q5.
What is the word for creating a detailed outline of how a project or programme will work before you start building it?
Correct Answer: design, plan
Q6.
Put these actions in order when designing an algorithm:
1 - Decide what you want your project to do.
2 - Write the steps in order.
3 - Add repetition where needed.
4 - Test your algorithm.

Assessment exit quiz

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6 Questions

Q1.
What is the main purpose of an algorithm in programming?
to decorate a sprite
Correct answer: to provide a sequence of steps to follow
to play a sound
to copy code
Q2.
What is the process of finding and fixing errors in your code called?
Correct Answer: debug, debugging
Q3.
Why do programmers test and debug their projects?
to add more backgrounds
to hide the code
to change the project name
Correct answer: to make sure everything works correctly
Q4.
Arrange these steps for building a game project:
1 - Plan the design and algorithm.
2 - Write the code.
3 - Test the game.
4 - Debug any errors.
Q5.
What might happen if you change the order of instructions inside a 'forever' loop in your game?
the game will always work the same
the code will be deleted
Correct answer: the actions might happen in a different way
the sprites will not load
Q6.
Put these actions in order for fixing a problem in your programme:
1 - Test the code.
2 - Spot the error.
3 - Debug the code.
4 - Check if the problem is fixed.

Additional material

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