89 lines
3.2 KiB
Markdown
89 lines
3.2 KiB
Markdown
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# digi yoyo lesson
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create a counter with a while loop #while #loop #counter #docs
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### @video td/videos/digi-yoyo-0
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## Topic
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While Loop
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## Quick Links
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* [activity](/microbit/lessons/digi-yoyo/activity)
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* [challenges](/microbit/lessons/digi-yoyo/challenges)
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## Class
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Year 7
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## Prior learning/place of lesson in scheme of work
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Learn how to creating a **while loop**, `while condition do` to repeat code while a condition is true. We will be learning how to create a digi yoyo app using a while loop, a variable, as well as basic commands, such as pause and show number.
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## Documentation
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* **variables** : [read more...](/microbit/reference/variables/var)
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* **assignment operator** : [read more...](/microbit/reference/variables/assign)
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* **while loop** : [read more...](/microbit/reference/loops/while)
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* **relational operator ** : [read more...](/microbit/reference/types/number)
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* **pause** : [read more...](/microbit/reference/basic/pause)
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* **show number** : [read more...](/microbit/reference/basic/show-number)
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## Objectives
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* learn how to create a local variables to store data and use it in your code
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* learn how to set or change the value of a local variable
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* learn how to repeat code while a condition is true
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* learn how a relational comparison (<) of numbers will yield a Boolean
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* learn how to pause your code for the specified number of milliseconds
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* learn how to show a number on the LED screen
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## Progression Pathways / Computational Thinking Framework
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#### Algorithms
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* Uses diagrams to express solutions.(AB)
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* Recognises that different solutions exist for the same problem (AL) (AB) Understands that iteration is the repetition of a process such as a loop (AL)
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* Recognises that different algorithms exist for the same problem (AL) (GE)
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* Represents solutions using a structured notation (AL) (AB)
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* Can identify similarities and differences in situations and can use these to solve problems (pattern recognition)(GE)
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#### Programming & Development
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* Creates programs that implement algorithms to achieve given goals (AL)
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* Declares and assigns variables(AB)
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* Uses a variable and relational operators within a loop to govern termination (AL) (GE)
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* Selects the appropriate data types(AL) (AB
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#### Data & Data Representation
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* Uses filters or can perform single criteria searches for information.(AL)
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#### Communication Networks
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* Demonstrates responsible use of technologies and online services, and knows a range of ways to report concerns Understands how search engines rank search results (AL)
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#### Information Technology
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* Collects, organizes, and presents data and information in digital content (AB)
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* Makes appropriate improvements to solutions based on feedback received, and can comment on the success of the solution (EV)
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* Recognises ethical issues surrounding the application of information technology beyond school.
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Computational Thinking Concept: AB = Abstraction; DE = Decomposition; AL = Algorithmic Thinking; EV = Evaluation; GE = Generalisation
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## Activity
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* time: 20 min.
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* [activity](/microbit/lessons/digi-yoyo/activity)
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## Extended Activity
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* time: 20 min.
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* [challenges](/microbit/lessons/digi-yoyo/challenges)
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## Homework
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* Extended Activity: [challenges](/microbit/lessons/digi-yoyo/challenges)
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