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docs/reference/js/lessons/flipping-bird.md
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# flipping bird lesson
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count the number of times the BBC micro:bit has been shaken #var #shake #mod #math #plot #docs
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### @video td/videos/flipping-bird-0
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## Topic
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Math - Modulo
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## Quick Links
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* [tutorial](/microbit/lessons/flipping-bird/tutorial)
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* [quiz](/microbit/lessons/flipping-bird/quiz)
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* [quiz answers](/microbit/lessons/flipping-bird/quiz-answers)
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* [challenges](/microbit/lessons/flipping-bird/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 return the **modulus**, `math->mod` to determine if you will plot image. We will be learning how to return the modulus by using a local variable, input on shake, if (conditional), modulo, as well as simple commands such as plot image.
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## What the teacher needs to know / QuickStart Computing Glossary
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* Algorithm: An unambiguous set of rules or a precise step-bystep guide to solve a problem or achieve a particular objective.
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* Input: Data provided to a computer system, such as via a keyboard, mouse, microphone, camera or physical sensors.
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* Output: The information produced by a computer system for its user, typically on a screen, through speakers or on a printer, but possibly through the control of motors in physical systems.
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* Programmable toys: Robots designed for children to use, accepting input, storing short sequences of simple instructions and moving according to this stored program.
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* Program: A stored set of instructions encoded in a language understood by the computer that does some form of computation, processing input and/or stored data to generate output.
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* Repetition: Executing a section of computer code a number of times as part of the program.
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* Simulation: Using a computer to model the state and behaviour of real-world (or imaginary) systems, including physical or social systems; an integral part of most computer games.
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* Variables: A way in which computer programs can store, retrieve or change data, such as a score, the time left, or the user’s name.
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## Documentation
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* **global variables** : [read more...](/microbit/js/data)
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* **on shake** : [read more...](/microbit/reference/input/on-gesture)
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* **if** : [read more...](/microbit/reference/logic/if)
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* **math modulo** : [read more...](/microbit/js/math)
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* **plot image** : [read more...](/microbit/reference/led/plot-image)
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## Resources
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* Activity: [tutorial](/microbit/lessons/flipping-bird/tutorial)
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* Activity: [quiz](/microbit/lessons/flipping-bird/quiz)
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* Extended Activity: [challenges](/microbit/lessons/flipping-bird/challenges)
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## Objectives
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* learn how to create a local variable as a place where you can store data, so that you can use it in your code, across functions, and in nested code blocks
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* learn how to run code when the micro:bit is shaken; when running code in the browser, moving the mouse quickly simulates shaking
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* learn how to conditionally run code depending on whether a condition is true or not
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* learn how to return the modulus
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* learn how to display an image on the BBC micro:bit's LED screen
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## Links to the National Curriculum Programmes of Study for Computing
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## Progression Pathways / Computational Thinking Framework
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#### Algorithms
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* Designs solutions (algorithms) that use repetition and two-way selection, ie if, then and else.(AL)
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* Uses diagrams to express solutions.(AB)
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* Uses logical reasoning to predict outputs, showing an awareness of inputs (AL)
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* Shows an awareness of tasks best completed by humans or computers (EV)
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* Designs solutions by decomposing a problem and creates a sub-solution for each of these parts. (DE) (AL) (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 post-tested loop e.g.‘until’,and a sequence of selection statements in programs,including an if,then and else statement(AL)
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* Understands the difference between, and appropriately uses if and if, then and else statements(AL)
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* Uses a variable and relational operators within a loop to govern termination (AL) (GE)
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* Uses a range of operators and expressions e.g. Boolean, and applies them in the context of program control. (AL)
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* Selects the appropriate data types(AL) (AB
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#### Data & Data Representation
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* Understands the difference between data and information(AB)
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* Uses filters or can perform single criteria searches for information.(AL)
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* Performs more complex searches for information e.g. using Boolean and relational operators(AL) (GE) (EV)
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* Defines data types: real numbers and Boolean (AB)
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#### Hardware & Processing
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* Knows that computers collect data from various input devices, including sensors and application software (AB)
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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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* Uses criteria to evaluate the quality of solutions, can identify improvements making some refinements to the solution, and future solutions (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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* [tutorial](/microbit/lessons/flipping-bird/tutorial)
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* [quiz](/microbit/lessons/flipping-bird/quiz)
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## Extended Activity
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* time: 20 min.
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* [challenges](/microbit/lessons/flipping-bird/challenges)
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* assessment opportunities: loops, plot, pause, clear screen
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## Homework
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* Extended Activity: [challenges](/microbit/lessons/flipping-bird/challenges)
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## Intended follow on
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Publish script to the classroom.
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