User inputs and variables
I can use variables and user input to create interactivity in an app.
User inputs and variables
I can use variables and user input to create interactivity in an app.
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Lesson details
Key learning points
- Variables are used to store data.
- User input can be collected from elements.
- Stored values can be reused and combined to create dynamic outputs.
Keywords
Variable - a named piece of data stored in a memory location on a computer
Input - data that is sent to a program to be processed
Data type - the kind of information stored in a variable
Common misconception
Variables always store numbers.
Variables can store different types of data, including text (strings), numbers or Boolean values.
To help you plan your year 8 computing lesson on: User inputs and variables, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 8 computing lesson on: User inputs and variables, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 3 computing lessons from the Mobile app development unit, dive into the full secondary computing curriculum, or learn more about lesson planning.
Equipment
Access to Code.org's App Lab or some other means of creating apps.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.What is the purpose of an event listener in an app?
Q2.Which action is an example of an event in an app?
Q3.What does a function do in an app?
Q4.Put these actions in the correct order for responding to a key press:
Q5.Match each example to the correct term:
event
event listener
function
Q6.What is the word for the action that causes an event to happen in an app?
Assessment exit quiz
6 Questions
Q1.What is the term for a named storage location in a computer program that can hold different values?
Q2.What is a data type?
Q3.Match each example to the correct term:
Boolean
number
text