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Year 9

Gathering data for a model

I can record and label movement data.

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New
New
Year 9

Gathering data for a model

I can record and label movement data.

Download all resources
Share activities with pupils

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

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Lesson details

Key learning points

  1. The first step in a data-driven approach to problem solving is to decide what data is needed.
  2. A data-driven application requires a large number of data samples.
  3. Samples are labelled to create classes and can be used to train a model, which represents something in the real world.

Keywords

  • Sample - a single set of data used for training or testing

  • Class - a category or label given to samples

  • Model - a system that uses patterns in data to represent something in the real world and can be used to make predictions

Common misconception

The micro:bit understands movement like a human does.

The micro:bit records numbers (x, y, z acceleration) that are then interpretted using programmed instructions.


To help you plan your year 9 computing lesson on: Gathering data for a model, download all teaching resources for free and adapt to suit your pupils' needs...

This lesson models the example of a tennis shot movement, but learner should be encouraged to come up with their own movements to record samples of that have more interest to them.
Teacher tip

Equipment

Pupils will need micro:bits for this lesson and access to a device that can access CreateAI online.

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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Starter quiz

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6 Questions

Q1.
Match the system with its category.
Correct Answer:rule-based,a chatbot that always gives the same response

a chatbot that always gives the same response

Correct Answer:data-driven,a smart thermostat that adjusts over time

a smart thermostat that adjusts over time

Q2.
The phrase ‘I know!’ appears in the Quick Draw system when enough is provided for a high-confidence prediction.
Correct Answer: data
Q3.
Which of the following best describes a data-driven system?
It makes decisions based on pre-defined rules.
Correct answer: It improves by adapting how it finds patterns in data.
It does not require large amounts of data.
It always produces perfect predictions.
Q4.
Match the AI-related term with its definition.
Correct Answer:artificial intelligence,a system that processes data, finds patterns and adapts

a system that processes data, finds patterns and adapts

Correct Answer:data-driven approach,a method where decisions are made using patterns in large data sets

a method where decisions are made using patterns in large data sets

Correct Answer:rule-based system,a system that follows predefined instructions or conditions

a system that follows predefined instructions or conditions

Correct Answer:machine learning,a subset of AI where systems improve as they process more data

a subset of AI where systems improve as they process more data

Q5.
A TV recommendation system that uses AI to suggest shows is an example of a approach.
Correct answer: data-driven
rule-based
Q6.
Why do AI systems require large amounts of data?
to slow down processing and make decisions more carefully
Correct answer: to identify patterns accurately and make better predictions
to avoid making any mistakes
to replace human intelligence completely

Exit quiz

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6 Questions

Q1.
What is a sample in the context of gathering data for a model?
a full data set used for testing
Correct answer: a single set of data used for training or testing
a category assigned to multiple data points
a complete AI model
Q2.
is measured in three directions: x (side-to-side), y (forward-backward), and z (up-down).
Correct Answer: movement
Q3.
Why do we label movement data with 'good' and 'bad'?
to make the data set larger
because computers cannot understand numerical data
Correct answer: so the model can predict whether a movement is good or bad based on patterns
to randomly assign labels to data points
Q4.
A is a way of representing something in the real world using data patterns.
Correct Answer: model
Q5.
Match the concept with the definition.
Correct Answer:model,a system that represents real-world data patterns

a system that represents real-world data patterns

Correct Answer:sample,a single set of data used for training or testing

a single set of data used for training or testing

Correct Answer:class,a category assigned to multiple samples

a category assigned to multiple samples

Correct Answer:data-driven approach,a method where decisions are based on patterns in data

a method where decisions are based on patterns in data

Q6.
When creating a movement model, motion values for x, y and z are plotted against ...
Correct Answer: time, ime