# Arrays 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.   ## 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 * Unplugged Activity: Different sorts of people * micro:bit Activity: Headband charades, Starry Starry Night * Project: Make a musical instrument * 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)