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# Arrays
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This lesson covers storing and retrieving data in an ordered fashion using Arrays. Introduces JavaScript as an alternate way of creating and modifying code. Uses a melody as a list/array of notes.
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## Lesson objectives
Students will...
* Explain the steps they would take to sort a series of numbers
* Recognize three common sorting algorithms
* Learn
* Apply
## Lesson structure
* Introduction: Arrays
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* Unplugged Activity: Different sorts of people
* micro:bit Activity: Headband charades, Starry Starry Night
* Project: Make a musical instrument
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* Assessment: Rubric
* Standards: Listed
## Lesson plan
1. [**Overview**: Arrays ](/courses/csintro/arrays/overview )
2. [**Unplugged**: Different sorts of people ](/courses/csintro/arrays/unplugged )
3. [**Activity**: Headband charades ](/courses/csintro/arrays/activity )
4. [**Project**: Musical instrument ](/courses/csintro/arrays/project )
## Related standards
[Targeted CSTA standards ](/courses/csintro/arrays/standards )
