# NM 3B: 3B-AP-14

## CodeHS Lessons

Construct solutions to problems using student-created components, such as procedures, modules and/or objects.

 Standard 1.3 Karel Can't Turn Right 1.3 Karel Can't Turn Right 1.4 Functions in Karel 1.4 Functions in Karel 1.5 The Start Function 1.5 The Start Function 1.6 Top Down Design and Decomposition in Karel 1.6 Top Down Design and Decomposition in Karel 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 2.1 Challenge Problems 2.1 Challenge Problems 7.1 Functions and Parameters 1 7.1 Functions and Parameters 1 7.2 Functions and Parameters 2 7.2 Functions and Parameters 2 7.3 Functions and Parameters 3 7.3 Functions and Parameters 3 7.4 Functions and Return Values 1 7.4 Functions and Return Values 1 7.5 Functions and Return Values 2 7.5 Functions and Return Values 2 8.1 Functions Challenges 8.1 Functions Challenges 9.2 Random Circles 9.2 Random Circles 9.3 Random Ghosts 9.3 Random Ghosts 9.4 Bouncing Ball 9.4 Bouncing Ball 9.5 Mouse Events: Mouse Clicked 9.5 Mouse Events: Mouse Clicked 9.6 Mouse Events: Mouse Moved 9.6 Mouse Events: Mouse Moved 9.7 Drawing Lines 9.7 Drawing Lines 9.8 Key Events 9.8 Key Events 9.9 Crazy Ball Game 9.9 Crazy Ball Game 11.1 Breakout 11.1 Breakout 25.4 Array Length and Looping Through Arrays 25.5 Iterating Over an Array 25.6 Finding an Element in a List 25.7 Removing an Element From an Array 25.8 Intro to Objects/Maps 25.9 Basics of Objects 25.10 Iterating Over an Object 25.11 When Do I Use an Object? 25.12 Intro to Sets 25.13 Intro to Grids 25.14 Looping Over a Grid 25.15 Grid Example: Get a Row 25.16 Data Structures Challenges 27.1 Game Design: Helicopter 15.1 Extra Karel Practice 16.1 Extra Karel Puzzles 26.1 Tic Tac Toe 24.1 Visualizing Music 21.1 Evolution Simulation 20.1 Conway's Game of Life 20.2 Connect Four 19.1 Fun Snake 19.2 Fun Graphics Challenges 18.1 Prime Numbers 17.1 Functions and Parameters Practice 25.4 Array Length and Looping Through Arrays 25.5 Iterating Over an Array 25.6 Finding an Element in a List 25.7 Removing an Element From an Array 25.8 Intro to Objects/Maps 25.9 Basics of Objects 25.10 Iterating Over an Object 25.11 When Do I Use an Object? 25.12 Intro to Sets 25.13 Intro to Grids 25.14 Looping Over a Grid 25.15 Grid Example: Get a Row 25.16 Data Structures Challenges 27.1 Game Design: Helicopter 15.1 Extra Karel Practice 16.1 Extra Karel Puzzles 26.1 Tic Tac Toe 24.1 Visualizing Music 21.1 Evolution Simulation 20.1 Conway's Game of Life 20.2 Connect Four 19.1 Fun Snake 19.2 Fun Graphics Challenges 18.1 Prime Numbers 17.1 Functions and Parameters Practice
 Standard 2.10 Top Down Design 2.10 Top Down Design 12.1 Classes and Objects 12.2 Methods 12.3 Built-In Methods 12.4 Operator Overloading 12.6 Inheritance 12.7 Hidden Attributes 12.8 Namespaces 12.9 Modules 16.1 Project: Who Said It? 12.1 Classes and Objects 12.2 Methods 12.3 Built-In Methods 12.4 Operator Overloading 12.6 Inheritance 12.7 Hidden Attributes 12.8 Namespaces 12.9 Modules 16.1 Project: Who Said It? 23.4 Karel Can't Turn Right 23.5 Functions in Karel
 Standard 5.1 Writing Classes 5.4 Accessor Methods 5.5 Mutator Methods 5.6 Writing Methods
 Standard 1.4 Karel Can't Turn Right 1.5 Functions in Karel 5.1 Functions and Parameters 1 5.2 Functions and Parameters 2 5.3 Functions and Parameters 3 5.4 Functions and Return Values 1 5.5 Functions and Return Values 2 5.7 JavaScript vs Karel 5.8 Basic JavaScript and Graphics Challenges
 Standard 1.4 Karel Can't Turn Right 1.5 Functions in Karel 5.1 Functions and Parameters 1 5.2 Functions and Parameters 2 5.3 Functions and Parameters 3 5.4 Functions and Return Values 1 5.5 Functions and Return Values 2 5.7 Python vs Karel 5.8 Basic Python and Graphics Challenges 27.1 Classes and Objects 27.2 Methods 27.3 Built-In Methods 27.4 Operator Overloading 27.6 Inheritance 27.7 Hidden Attributes 27.8 Namespaces 27.9 Modules 29.1 Project: Who Said It? 27.1 Classes and Objects 27.2 Methods 27.3 Built-In Methods 27.4 Operator Overloading 27.6 Inheritance 27.7 Hidden Attributes 27.8 Namespaces 27.9 Modules 29.1 Project: Who Said It?
 Standard 1.4 Karel Can't Turn Right 1.5 Functions in Karel 5.1 Functions and Parameters 1 5.2 Functions and Parameters 2 5.3 Functions and Parameters 3 5.4 Functions and Return Values 1 5.5 Functions and Return Values 2 5.7 JavaScript vs Karel 5.8 Basic JavaScript and Graphics Challenges
 Standard 1.3 Karel Can't Turn Right 1.3 Karel Can't Turn Right 1.4 Functions in Karel 1.4 Functions in Karel 1.5 The Start Function 1.5 The Start Function 1.6 Top Down Design and Decomposition in Karel 1.6 Top Down Design and Decomposition in Karel 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 1.16 Karel Challenges 1.16 Karel Challenges 6.7 Image Manipulation 6.7 Image Manipulation 11.1 Extra Karel Practice 12.1 Extra Karel Puzzles 13.10 Top Down Design 11.1 Extra Karel Practice 12.1 Extra Karel Puzzles 13.10 Top Down Design
 Standard 9.22 Array Length and Looping Through Arrays 9.22 Array Length and Looping Through Arrays 9.14 Functions and Parameters 1 9.14 Functions and Parameters 1 9.16 Functions and Return Values 1 9.16 Functions and Return Values 1 9.15 Functions and Parameters 2 9.15 Functions and Parameters 2 9.17 Functions and Return Values 2 9.17 Functions and Return Values 2
 Standard 5.3 Basic Crypto Systems: Caesar Cipher 5.3 Basic Crypto Systems: Caesar Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 6.1 Project: Classic Cipher Newscast 6.1 Project: Classic Cipher Newscast 21.1 Challenge Problems 21.1 Challenge Problems
 Standard 1.5 Hash Function Development 1.5 Hash Function Development
 Standard 6.4 Using Methods to Update String States 6.4 Using Methods to Update String States
 Standard 9.1 Extra Karel Practice 9.1 Extra Karel Practice 10.1 Extra Karel Puzzles 10.1 Extra Karel Puzzles
 Standard 3.5 Top Down Design 3.5 Top Down Design 10.4 Karel Can't Turn Right 10.5 Functions in Karel
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Super Karel 2.8 Super Karel 2.9 For Loops 2.9 For Loops 2.10 If Statements 2.10 If Statements 2.11 If/Else Statements 2.11 If/Else Statements 2.12 While Loops in Karel 2.12 While Loops in Karel 2.13 Control Structures Example 2.13 Control Structures Example 2.14 More Karel Examples and Testing 2.14 More Karel Examples and Testing 2.15 How to Indent Your Code 2.15 How to Indent Your Code 2.16 Karel Challenges 2.16 Karel Challenges 3.10 Top Down Design 3.10 Top Down Design 11.7 Image Manipulation 4.1 Extra Karel Practice 5.1 Extra Karel Puzzles 11.7 Image Manipulation 4.1 Extra Karel Practice 5.1 Extra Karel Puzzles
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Super Karel 2.8 Super Karel 2.9 For Loops 2.9 For Loops 2.10 If Statements 2.10 If Statements 2.11 If/Else Statements 2.11 If/Else Statements 2.12 While Loops in Karel 2.12 While Loops in Karel 2.13 Control Structures Example 2.13 Control Structures Example 2.14 More Karel Examples and Testing 2.14 More Karel Examples and Testing 2.15 How to Indent Your Code 2.15 How to Indent Your Code 2.16 Karel Challenges 2.16 Karel Challenges 11.7 Image Manipulation 4.1 Extra Karel Practice 5.1 Extra Karel Puzzles 6.10 Top Down Design 11.7 Image Manipulation 4.1 Extra Karel Practice 5.1 Extra Karel Puzzles 6.10 Top Down Design
 Standard 1.3 Karel Can't Turn Right 1.3 Karel Can't Turn Right 1.4 Functions in Karel 1.4 Functions in Karel 1.5 The Start Function 1.5 The Start Function 1.6 Top Down Design and Decomposition in Karel 1.6 Top Down Design and Decomposition in Karel 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 1.16 Karel Challenges 1.16 Karel Challenges
 Standard 7.1 Writing BlackJack 7.1 Writing BlackJack 8.1 Mad Libs 8.1 Mad Libs
 Standard 1.10 Top Down Design 1.10 Top Down Design 7.4 Functions 12.1 Arduino Challenges 12.4 Final Project 14.1 Classes and Objects 14.2 Methods 14.3 Built-In Methods 14.4 Operator Overloading 14.6 Inheritance 14.7 Hidden Attributes 14.8 Namespaces 14.9 Modules 14.1 Classes and Objects 14.2 Methods 14.3 Built-In Methods 14.4 Operator Overloading 14.6 Inheritance 14.7 Hidden Attributes 14.8 Namespaces 14.9 Modules
 Standard 1.3 Karel Can't Turn Right 1.3 Karel Can't Turn Right 1.4 Functions in Karel 1.4 Functions in Karel 1.5 The Start Function 1.5 The Start Function 1.6 Top Down Design and Decomposition in Karel 1.6 Top Down Design and Decomposition in Karel 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 2.1 Challenge Problems 2.1 Challenge Problems 8.1 Functions and Parameters 1 8.1 Functions and Parameters 1 8.2 Functions and Parameters 2 8.2 Functions and Parameters 2 8.3 Functions and Parameters 3 8.3 Functions and Parameters 3 8.4 Functions and Return Values 1 8.4 Functions and Return Values 1 8.5 Functions and Return Values 2 8.5 Functions and Return Values 2 9.1 Functions Challenges 9.1 Functions Challenges 10.4 Functions 11.2 Random Circles 11.2 Random Circles 11.3 Random Ghosts 11.3 Random Ghosts 11.4 Bouncing Ball 11.4 Bouncing Ball 11.5 Mouse Events: Mouse Clicked 11.5 Mouse Events: Mouse Clicked 11.6 Mouse Events: Mouse Moved 11.6 Mouse Events: Mouse Moved 11.7 Drawing Lines 11.7 Drawing Lines 11.8 Key Events 11.8 Key Events 11.9 Crazy Ball Game 11.9 Crazy Ball Game 13.1 Breakout 13.1 Breakout 14.1 Arduino Challenges 14.4 Final Project 22.1 Game Design: Helicopter 18.1 Extra Karel Practice 19.1 Extra Karel Puzzles 21.1 Tic Tac Toe 20.1 Functions and Parameters Practice 22.1 Game Design: Helicopter 18.1 Extra Karel Practice 19.1 Extra Karel Puzzles 21.1 Tic Tac Toe 20.1 Functions and Parameters Practice
 Standard 3.5 Top Down Design 3.5 Top Down Design 7.5 Functions 9.1 micro:bit Challenges 9.4 Final Project
 Standard 7.5 Functions 10.1 micro:bit Challenges 10.4 Final Project
 Standard 2.5 Functions 3.1 micro:bit Challenges 3.4 Final Project
 Standard 2.4 Functions 3.1 Arduino Challenges 3.4 Final Project
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.10 Top Down Design 1.10 Top Down Design 5.3 Basic Crypto Systems: Caesar Cipher 5.3 Basic Crypto Systems: Caesar Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 14.5 Functions 15.1 micro:bit Challenges 15.4 Final Project
 Standard 7.1 Pokemon Simulation 9.1 Java Outside of CodeHS 8.1 Mad Libs 7.1 Pokemon Simulation 9.1 Java Outside of CodeHS 8.1 Mad Libs
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 6.1 What is Code 6.1 What is Code 10.1 Functions and Parameters 1 10.1 Functions and Parameters 1 10.2 Functions and Parameters 2 10.2 Functions and Parameters 2 10.3 Functions and Parameters 3 10.3 Functions and Parameters 3 10.4 Functions and Return Values 1 10.4 Functions and Return Values 1 10.5 Functions and Return Values 2 10.5 Functions and Return Values 2 10.6 Local Variables and Scope 10.6 Local Variables and Scope 10.8 Random Circles 10.8 Random Circles 10.9 Random Ghosts 10.9 Random Ghosts 10.10 Bouncing Ball 10.10 Bouncing Ball 10.11 Mouse Events: Mouse Clicked 10.11 Mouse Events: Mouse Clicked 10.14 Array Length and Looping Through Arrays 10.14 Array Length and Looping Through Arrays 10.15 Iterating Over an Array 10.15 Iterating Over an Array 18.1 Mouse Events: Mouse Moved 18.2 Drawing Lines 18.3 Key Events 18.4 Crazy Ball Game 13.2 Finding an Element in a List 13.3 Removing an Element From an Array 14.1 Intro to Objects/Maps 14.2 Basics of Objects 14.3 Iterating Over an Object 14.4 When Do I Use an Object? 14.5 Intro to Sets 14.6 Intro to Grids 14.7 Looping Over a Grid 14.8 Grid Example: Get a Row 14.9 Data Structures Challenges 15.1 Extra Karel Practice 16.1 Extra Karel Puzzles 17.1 Functions and Parameters Practice 18.1 Mouse Events: Mouse Moved 18.2 Drawing Lines 18.3 Key Events 18.4 Crazy Ball Game 13.2 Finding an Element in a List 13.3 Removing an Element From an Array 14.1 Intro to Objects/Maps 14.2 Basics of Objects 14.3 Iterating Over an Object 14.4 When Do I Use an Object? 14.5 Intro to Sets 14.6 Intro to Grids 14.7 Looping Over a Grid 14.8 Grid Example: Get a Row 14.9 Data Structures Challenges 15.1 Extra Karel Practice 16.1 Extra Karel Puzzles 17.1 Functions and Parameters Practice
 Standard 2.3 Basic Crypto Systems: Caesar Cipher 2.3 Basic Crypto Systems: Caesar Cipher 2.5 Basic Crypto Systems: Vigenere Cipher 2.5 Basic Crypto Systems: Vigenere Cipher 3.3 Karel Can't Turn Right 3.3 Karel Can't Turn Right 3.4 Functions in Karel 3.4 Functions in Karel 3.5 The Start Function 3.5 The Start Function 3.6 Top Down Design and Decomposition in Karel 3.6 Top Down Design and Decomposition in Karel 3.7 Commenting Your Code 3.7 Commenting Your Code 3.8 Abstraction 3.8 Abstraction 3.9 Super Karel 3.9 Super Karel 3.10 For Loops 3.10 For Loops 3.11 If Statements 3.11 If Statements 3.12 If/Else Statements 3.12 If/Else Statements 3.13 While Loops in Karel 3.13 While Loops in Karel 3.14 Control Structures Example 3.14 Control Structures Example 3.15 More Karel Examples and Testing 3.15 More Karel Examples and Testing 3.16 How to Indent Your Code 3.16 How to Indent Your Code 4.2 Challenge Problems 4.2 Challenge Problems 10.1 Functions and Parameters 1 10.1 Functions and Parameters 1 10.2 Functions and Parameters 2 10.2 Functions and Parameters 2 10.3 Functions and Parameters 3 10.3 Functions and Parameters 3 10.4 Functions and Return Values 1 10.4 Functions and Return Values 1 10.5 Functions and Return Values 2 10.5 Functions and Return Values 2 10.7 Random Circles 10.7 Random Circles 10.8 Random Ghosts 10.8 Random Ghosts 10.9 Bouncing Ball 10.9 Bouncing Ball 10.10 Mouse Events: Mouse Clicked 10.10 Mouse Events: Mouse Clicked 10.13 Array Length and Looping Through Arrays 10.13 Array Length and Looping Through Arrays 10.14 Iterating Over an Array 10.14 Iterating Over an Array 16.1 Mouse Events: Mouse Moved 16.2 Drawing Lines 16.3 Key Events 16.4 Crazy Ball Game 17.2 Finding an Element in a List 17.3 Removing an Element From an Array 18.1 Intro to Objects/Maps 18.2 Basics of Objects 18.3 Iterating Over an Object 18.4 When Do I Use an Object? 18.5 Intro to Sets 18.6 Intro to Grids 18.7 Looping Over a Grid 18.8 Grid Example: Get a Row 18.9 Data Structures Challenges 13.1 Extra Karel Practice 14.1 Extra Karel Puzzles 15.1 Functions and Parameters Practice 16.1 Mouse Events: Mouse Moved 16.2 Drawing Lines 16.3 Key Events 16.4 Crazy Ball Game 17.2 Finding an Element in a List 17.3 Removing an Element From an Array 18.1 Intro to Objects/Maps 18.2 Basics of Objects 18.3 Iterating Over an Object 18.4 When Do I Use an Object? 18.5 Intro to Sets 18.6 Intro to Grids 18.7 Looping Over a Grid 18.8 Grid Example: Get a Row 18.9 Data Structures Challenges 13.1 Extra Karel Practice 14.1 Extra Karel Puzzles 15.1 Functions and Parameters Practice
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.10 Top Down Design 1.10 Top Down Design 5.3 Basic Crypto Systems: Caesar Cipher 5.3 Basic Crypto Systems: Caesar Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 14.5 Functions 15.1 micro:bit Challenges 15.4 Final Project
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.10 Top Down Design 1.10 Top Down Design 5.3 Basic Crypto Systems: Caesar Cipher 5.3 Basic Crypto Systems: Caesar Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 14.5 Functions 15.1 micro:bit Challenges 15.4 Final Project
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 11.1 Functions and Parameters 1 11.1 Functions and Parameters 1 11.2 Functions and Parameters 2 11.2 Functions and Parameters 2 11.3 Functions and Parameters 3 11.3 Functions and Parameters 3 11.4 Functions and Return Values 1 11.4 Functions and Return Values 1 11.5 Functions and Return Values 2 11.5 Functions and Return Values 2 11.7 Random Circles 11.7 Random Circles 11.8 Random Ghosts 11.8 Random Ghosts 11.9 Bouncing Ball 11.9 Bouncing Ball 11.10 Mouse Events: Mouse Clicked 11.10 Mouse Events: Mouse Clicked 11.13 Array Length and Looping Through Arrays 11.13 Array Length and Looping Through Arrays 11.14 Iterating Over an Array 11.14 Iterating Over an Array 17.1 Mouse Events: Mouse Moved 17.2 Drawing Lines 17.3 Key Events 17.4 Crazy Ball Game 18.2 Finding an Element in a List 18.3 Removing an Element From an Array 19.1 Intro to Objects/Maps 19.2 Basics of Objects 19.3 Iterating Over an Object 19.4 When Do I Use an Object? 19.5 Intro to Sets 19.6 Intro to Grids 19.7 Looping Over a Grid 19.8 Grid Example: Get a Row 19.9 Data Structures Challenges 14.1 Extra Karel Practice 15.1 Extra Karel Puzzles 16.1 Functions and Parameters Practice 17.1 Mouse Events: Mouse Moved 17.2 Drawing Lines 17.3 Key Events 17.4 Crazy Ball Game 18.2 Finding an Element in a List 18.3 Removing an Element From an Array 19.1 Intro to Objects/Maps 19.2 Basics of Objects 19.3 Iterating Over an Object 19.4 When Do I Use an Object? 19.5 Intro to Sets 19.6 Intro to Grids 19.7 Looping Over a Grid 19.8 Grid Example: Get a Row 19.9 Data Structures Challenges 14.1 Extra Karel Practice 15.1 Extra Karel Puzzles 16.1 Functions and Parameters Practice
 Standard 3.10 Top Down Design 3.10 Top Down Design 4.1 Practice PT: Pair-Programming Paint! 4.1 Practice PT: Pair-Programming Paint!
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 11.1 Extra Karel Practice 12.1 Extra Karel Puzzles 11.1 Extra Karel Practice 12.1 Extra Karel Puzzles
 Standard 1.3 Karel Can't Turn Right 1.4 Functions in Karel 5.1 Functions and Parameters 1 5.2 Functions and Parameters 2 5.3 Functions and Parameters 3 5.4 Functions and Return Values 1 5.5 Functions and Return Values 2 5.7 JavaScript vs Karel 5.8 Basic JavaScript and Graphics Challenges
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 17.1 Functions and Parameters 1 17.2 Functions and Parameters 2 17.3 Functions and Parameters 3 17.4 Functions and Return Values 1 17.5 Functions and Return Values 2 17.7 Random Circles 17.8 Random Ghosts 17.9 Bouncing Ball 17.10 Mouse Events: Mouse Clicked 16.1 Mouse Events: Mouse Moved 16.2 Drawing Lines 16.3 Key Events 16.4 Crazy Ball Game 17.13 Array Length and Looping Through Arrays 17.14 Iterating Over an Array 19.2 Finding an Element in a List 19.3 Removing an Element From an Array 20.1 Intro to Objects/Maps 20.2 Basics of Objects 20.3 Iterating Over an Object 20.4 When Do I Use an Object? 20.5 Intro to Sets 20.6 Intro to Grids 20.7 Looping Over a Grid 20.8 Grid Example: Get a Row 20.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 18.1 Functions and Parameters Practice 21.4 Basic Crypto Systems: Caesar Cipher 21.6 Basic Crypto Systems: Vigenere Cipher 21.9 Hash Function Development 21.10 Project: Classic Cipher Newscast 17.1 Functions and Parameters 1 17.2 Functions and Parameters 2 17.3 Functions and Parameters 3 17.4 Functions and Return Values 1 17.5 Functions and Return Values 2 17.7 Random Circles 17.8 Random Ghosts 17.9 Bouncing Ball 17.10 Mouse Events: Mouse Clicked 16.1 Mouse Events: Mouse Moved 16.2 Drawing Lines 16.3 Key Events 16.4 Crazy Ball Game 17.13 Array Length and Looping Through Arrays 17.14 Iterating Over an Array 19.2 Finding an Element in a List 19.3 Removing an Element From an Array 20.1 Intro to Objects/Maps 20.2 Basics of Objects 20.3 Iterating Over an Object 20.4 When Do I Use an Object? 20.5 Intro to Sets 20.6 Intro to Grids 20.7 Looping Over a Grid 20.8 Grid Example: Get a Row 20.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 18.1 Functions and Parameters Practice 21.4 Basic Crypto Systems: Caesar Cipher 21.6 Basic Crypto Systems: Vigenere Cipher 21.9 Hash Function Development 21.10 Project: Classic Cipher Newscast
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.10 Top Down Design 1.10 Top Down Design 5.3 Basic Crypto Systems: Caesar Cipher 5.3 Basic Crypto Systems: Caesar Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 6.3 Karel Can't Turn Right 6.4 Functions in Karel 6.5 The Start Function 6.6 Top Down Design and Decomposition in Karel 6.7 Commenting Your Code 6.8 Super Karel 6.9 For Loops 6.10 If Statements 6.11 If/Else Statements 6.12 While Loops in Karel 6.13 Control Structures Example 6.14 More Karel Examples and Testing 6.15 How to Indent Your Code 6.16 Karel Challenges 7.1 Extra Karel Puzzles 6.3 Karel Can't Turn Right 6.4 Functions in Karel 6.5 The Start Function 6.6 Top Down Design and Decomposition in Karel 6.7 Commenting Your Code 6.8 Super Karel 6.9 For Loops 6.10 If Statements 6.11 If/Else Statements 6.12 While Loops in Karel 6.13 Control Structures Example 6.14 More Karel Examples and Testing 6.15 How to Indent Your Code 6.16 Karel Challenges 7.1 Extra Karel Puzzles 9.5 Functions 10.1 micro:bit Challenges 10.4 Final Project
 Standard 1.3 Karel Can't Turn Right 1.3 Karel Can't Turn Right 1.4 Functions in Karel 1.4 Functions in Karel 1.5 The Start Function 1.5 The Start Function 1.6 Top Down Design and Decomposition in Karel 1.6 Top Down Design and Decomposition in Karel 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 2.1 Challenge Problems 2.1 Challenge Problems 8.1 Functions and Parameters 1 8.1 Functions and Parameters 1 8.2 Functions and Parameters 2 8.2 Functions and Parameters 2 8.3 Functions and Parameters 3 8.3 Functions and Parameters 3 8.4 Functions and Return Values 1 8.4 Functions and Return Values 1 8.5 Functions and Return Values 2 8.5 Functions and Return Values 2 9.1 Functions Challenges 9.1 Functions Challenges 10.2 Random Circles 10.2 Random Circles 10.3 Random Ghosts 10.3 Random Ghosts 10.4 Bouncing Ball 10.4 Bouncing Ball 10.5 Mouse Events: Mouse Clicked 10.5 Mouse Events: Mouse Clicked 10.6 Mouse Events: Mouse Moved 10.6 Mouse Events: Mouse Moved 10.7 Drawing Lines 10.7 Drawing Lines 10.8 Key Events 10.8 Key Events 10.9 Crazy Ball Game 10.9 Crazy Ball Game 12.1 Breakout 12.1 Breakout 26.4 Array Length and Looping Through Arrays 26.5 Iterating Over an Array 26.6 Finding an Element in a List 26.7 Removing an Element From an Array 26.8 Intro to Objects/Maps 26.9 Basics of Objects 26.10 Iterating Over an Object 26.11 When Do I Use an Object? 26.12 Intro to Sets 26.13 Intro to Grids 26.14 Looping Over a Grid 26.15 Grid Example: Get a Row 26.16 Data Structures Challenges 28.1 Game Design: Helicopter 16.1 Extra Karel Practice 17.1 Extra Karel Puzzles 27.1 Tic Tac Toe 25.1 Visualizing Music 22.1 Evolution Simulation 21.1 Conway's Game of Life 21.2 Connect Four 20.1 Fun Snake 20.2 Fun Graphics Challenges 19.1 Prime Numbers 18.1 Functions and Parameters Practice 26.4 Array Length and Looping Through Arrays 26.5 Iterating Over an Array 26.6 Finding an Element in a List 26.7 Removing an Element From an Array 26.8 Intro to Objects/Maps 26.9 Basics of Objects 26.10 Iterating Over an Object 26.11 When Do I Use an Object? 26.12 Intro to Sets 26.13 Intro to Grids 26.14 Looping Over a Grid 26.15 Grid Example: Get a Row 26.16 Data Structures Challenges 28.1 Game Design: Helicopter 16.1 Extra Karel Practice 17.1 Extra Karel Puzzles 27.1 Tic Tac Toe 25.1 Visualizing Music 22.1 Evolution Simulation 21.1 Conway's Game of Life 21.2 Connect Four 20.1 Fun Snake 20.2 Fun Graphics Challenges 19.1 Prime Numbers 18.1 Functions and Parameters Practice
 Standard 2.3 Basic Crypto Systems: Caesar Cipher 2.3 Basic Crypto Systems: Caesar Cipher 2.5 Basic Crypto Systems: Vigenere Cipher 2.5 Basic Crypto Systems: Vigenere Cipher 3.1 Project: Classic Cipher Newscast 3.1 Project: Classic Cipher Newscast 4.5 Hash Function Development 4.5 Hash Function Development
 Standard 1.10 Top Down Design 1.10 Top Down Design 5.3 Basic Crypto Systems: Caesar Cipher 5.3 Basic Crypto Systems: Caesar Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 14.5 Functions 15.1 micro:bit Challenges 15.4 Final Project
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.10 Top Down Design 1.10 Top Down Design 5.3 Basic Crypto Systems: Caesar Cipher 5.3 Basic Crypto Systems: Caesar Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 14.5 Functions 15.1 micro:bit Challenges 15.4 Final Project
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.10 Top Down Design 1.10 Top Down Design 5.3 Basic Crypto Systems: Caesar Cipher 5.3 Basic Crypto Systems: Caesar Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 14.5 Functions 15.1 micro:bit Challenges 15.4 Final Project
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.10 Top Down Design 1.10 Top Down Design 5.3 Basic Crypto Systems: Caesar Cipher 5.3 Basic Crypto Systems: Caesar Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 5.5 Basic Crypto Systems: Vigenere Cipher 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.3 Karel Can't Turn Right 11.4 Functions in Karel 11.5 The Start Function 11.6 Top Down Design and Decomposition in Karel 11.7 Commenting Your Code 11.8 Super Karel 11.9 For Loops 11.10 If Statements 11.11 If/Else Statements 11.12 While Loops in Karel 11.13 Control Structures Example 11.14 More Karel Examples and Testing 11.15 How to Indent Your Code 11.16 Karel Challenges 12.1 Extra Karel Puzzles 14.5 Functions 15.1 micro:bit Challenges 15.4 Final Project
 Standard 1.3 Karel Can't Turn Right 1.4 Functions in Karel 4.1 Functions and Parameters 1 4.2 Functions and Parameters 2 4.3 Functions and Parameters 3 4.4 Functions and Return Values 1 4.5 Functions and Return Values 2 4.7 JavaScript vs Karel 4.8 Basic JavaScript and Graphics Challenges
 Standard 1.3 Karel Can't Turn Right 1.4 Functions in Karel 4.1 Functions and Parameters 1 4.2 Functions and Parameters 2 4.3 Functions and Parameters 3 4.4 Functions and Return Values 1 4.5 Functions and Return Values 2 4.7 JavaScript vs Karel 4.8 Basic JavaScript and Graphics Challenges
 Standard 2.3 Karel Can't Turn Right 2.3 Karel Can't Turn Right 2.4 Functions in Karel 2.4 Functions in Karel 2.5 The Start Function 2.5 The Start Function 2.6 Top Down Design and Decomposition in Karel 2.6 Top Down Design and Decomposition in Karel 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Abstraction 2.8 Abstraction 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events