Please enable JavaScript to use CodeHS

PA 3A: 3A-AP-17

CodeHS Lessons

Decompose problems into smaller components through systematic analysis, using constructs such as procedures, modules, and/or objects.

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 Karel Algorithms
2.14 Karel Algorithms
2.15 How to Indent Your Code
2.15 How to Indent Your Code
2.16 Ultra Karel
2.16 Ultra Karel
2.17 Karel Challenges
2.17 Karel Challenges
6.2 Hello World
6.2 Hello World
12.1 Extra Karel Practice
12.1 Extra Karel Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.8 Random Numbers
7.8 Random Numbers
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
14.1 Booleans
14.2 Logical Operators
14.3 Comparison Operators
14.4 If Statements
14.5 For Loops in JavaScript
14.6 General For Loops
14.7 For Loop Practice
14.8 Random Numbers
14.9 While Loops
14.10 Loop and a Half
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
17.6 Timers
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
17.11 Intro to Lists/Arrays
19.1 Indexing Into an Array
17.12 Adding/Removing From an Array
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
18.1 Functions and Parameters Practice
14.1 Booleans
14.2 Logical Operators
14.3 Comparison Operators
14.4 If Statements
14.5 For Loops in JavaScript
14.6 General For Loops
14.7 For Loop Practice
14.8 Random Numbers
14.9 While Loops
14.10 Loop and a Half
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
17.6 Timers
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
17.11 Intro to Lists/Arrays
19.1 Indexing Into an Array
17.12 Adding/Removing From an Array
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
18.1 Functions and Parameters Practice
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
5.1 Hello World
5.1 Hello World
5.2 Variables
5.2 Variables
5.3 User Input
5.3 User Input
5.4 Basic Math in JavaScript
5.4 Basic Math in JavaScript
5.5 Using Graphics in JavaScript
5.5 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.8 Random Numbers
7.8 Random Numbers
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Timers
9.6 Timers
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
9.11 Intro to Lists/Arrays
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.12 Adding/Removing From an Array
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
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
1.10 Simulation
1.10 Simulation
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
5.1 What is Code
5.1 What is Code
5.2 Hello World
5.2 Hello World
5.3 Variables
5.3 Variables
5.4 User Input
5.4 User Input
5.5 Basic Math in JavaScript
5.5 Basic Math in JavaScript
5.6 Using Graphics in JavaScript
5.6 Using Graphics in JavaScript
7.1 Booleans
7.1 Booleans
7.2 Logical Operators
7.2 Logical Operators
7.3 Comparison Operators
7.3 Comparison Operators
7.4 If Statements
7.4 If Statements
7.5 For Loops in JavaScript
7.5 For Loops in JavaScript
7.6 General For Loops
7.6 General For Loops
7.7 For Loop Practice
7.7 For Loop Practice
7.8 Random Numbers
7.8 Random Numbers
7.9 While Loops
7.9 While Loops
7.10 Loop and a Half
7.10 Loop and a Half
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
9.6 Local Variables and Scope
9.6 Local Variables and Scope
9.7 Timers
9.7 Timers
9.8 Random Circles
9.8 Random Circles
9.9 Random Ghosts
9.9 Random Ghosts
9.10 Bouncing Ball
9.10 Bouncing Ball
9.11 Mouse Events: Mouse Clicked
9.11 Mouse Events: Mouse Clicked
9.12 Intro to Lists/Arrays
9.12 Intro to Lists/Arrays
9.13 Adding/Removing From an Array
9.13 Adding/Removing From an Array
9.14 Array Length and Looping Through Arrays
9.14 Array Length and Looping Through Arrays
9.15 Iterating Over an Array
9.15 Iterating Over an Array
15.1 Mouse Events: Mouse Moved
15.2 Drawing Lines
15.3 Key Events
15.4 Crazy Ball Game
16.1 Indexing Into an Array
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
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
16.1 Indexing Into an Array
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
14.1 Functions and Parameters Practice
1.10 Simulation
1.10 Simulation
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 Hello World
6.1 Hello World
6.2 Variables
6.2 Variables
6.3 User Input
6.3 User Input
6.4 Basic Math in JavaScript
6.4 Basic Math in JavaScript
6.5 Using Graphics in JavaScript
6.5 Using Graphics in JavaScript
9.1 Booleans
9.1 Booleans
9.2 Logical Operators
9.2 Logical Operators
9.3 Comparison Operators
9.3 Comparison Operators
9.4 If Statements
9.4 If Statements
9.5 For Loops in JavaScript
9.5 For Loops in JavaScript
9.6 General For Loops
9.6 General For Loops
9.7 For Loop Practice
9.7 For Loop Practice
9.8 Random Numbers
9.8 Random Numbers
9.9 While Loops
9.9 While Loops
9.10 Loop and a Half
9.10 Loop and a Half
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
11.6 Timers
11.6 Timers
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
11.11 Intro to Lists/Arrays
11.11 Intro to Lists/Arrays
11.12 Adding/Removing From an Array
11.12 Adding/Removing From an Array
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
18.1 Indexing Into an Array
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
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
18.1 Indexing Into an Array
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
16.1 Functions and Parameters Practice
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
6.1 Hello World
6.1 Hello World
6.2 Variables
6.2 Variables
6.3 User Input
6.3 User Input
6.4 Basic Math in JavaScript
6.4 Basic Math in JavaScript
6.5 Using Graphics in JavaScript
6.5 Using Graphics in JavaScript
8.1 Booleans
8.1 Booleans
8.2 Logical Operators
8.2 Logical Operators
8.3 Comparison Operators
8.3 Comparison Operators
8.4 If Statements
8.4 If Statements
8.5 For Loops in JavaScript
8.5 For Loops in JavaScript
8.6 General For Loops
8.6 General For Loops
8.7 For Loop Practice
8.7 For Loop Practice
8.8 Random Numbers
8.8 Random Numbers
8.9 While Loops
8.9 While Loops
8.10 Loop and a Half
8.10 Loop and a Half
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 Timers
10.6 Timers
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
10.11 Intro to Lists/Arrays
10.11 Intro to Lists/Arrays
10.12 Adding/Removing From an Array
10.12 Adding/Removing From an Array
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
17.1 Indexing Into an Array
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
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
17.1 Indexing Into an Array
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
15.1 Functions and Parameters Practice
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
6.1 Hello World
6.1 Hello World
6.2 Variables
6.2 Variables
6.3 User Input
6.3 User Input
6.4 Basic Math in JavaScript
6.4 Basic Math in JavaScript
6.5 Using Graphics in JavaScript
6.5 Using Graphics in JavaScript
10.1 Booleans
10.2 Logical Operators
10.3 Comparison Operators
10.4 If Statements
10.5 For Loops in JavaScript
10.6 General For Loops
10.7 For Loop Practice
10.8 Random Numbers
10.9 While Loops
10.10 Loop and a Half
12.1 Functions and Parameters 1
12.2 Functions and Parameters 2
12.3 Functions and Parameters 3
12.4 Functions and Return Values 1
12.5 Functions and Return Values 2
12.6 Timers
12.7 Random Circles
12.8 Random Ghosts
12.9 Bouncing Ball
12.10 Mouse Events: Mouse Clicked
17.1 Mouse Events: Mouse Moved
17.2 Drawing Lines
17.3 Key Events
17.4 Crazy Ball Game
12.11 Intro to Lists/Arrays
18.1 Indexing Into an Array
12.12 Adding/Removing From an Array
12.13 Array Length and Looping Through Arrays
12.14 Iterating Over an Array
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
16.1 Functions and Parameters Practice
10.1 Booleans
10.2 Logical Operators
10.3 Comparison Operators
10.4 If Statements
10.5 For Loops in JavaScript
10.6 General For Loops
10.7 For Loop Practice
10.8 Random Numbers
10.9 While Loops
10.10 Loop and a Half
12.1 Functions and Parameters 1
12.2 Functions and Parameters 2
12.3 Functions and Parameters 3
12.4 Functions and Return Values 1
12.5 Functions and Return Values 2
12.6 Timers
12.7 Random Circles
12.8 Random Ghosts
12.9 Bouncing Ball
12.10 Mouse Events: Mouse Clicked
17.1 Mouse Events: Mouse Moved
17.2 Drawing Lines
17.3 Key Events
17.4 Crazy Ball Game
12.11 Intro to Lists/Arrays
18.1 Indexing Into an Array
12.12 Adding/Removing From an Array
12.13 Array Length and Looping Through Arrays
12.14 Iterating Over an Array
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
16.1 Functions and Parameters Practice
3.10 Top Down Design
3.10 Top Down Design
4.1 Practice PT: Pair-Programming Paint!
4.1 Practice PT: Pair-Programming Paint!
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
3.1 Hello World
3.1 Hello World
3.2 Variables
3.2 Variables
3.3 User Input
3.3 User Input
3.4 Basic Math in JavaScript
3.4 Basic Math in JavaScript
3.5 Using Graphics in JavaScript
3.5 Using Graphics in JavaScript
4.1 Extra Karel Practice
6.10 Top Down Design
4.1 Extra Karel Practice
6.10 Top Down Design
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
2.4 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
3.10 Top Down Design
3.10 Top Down Design
4.1 Extra Karel Practice
4.1 Extra Karel Practice
1.10 Top Down Design
1.10 Top Down Design
3.3 Comments & Pseudocode
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
11.4 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
14.5 Functions
15.1 micro:bit Challenges
15.4 Final Project
1.10 Top Down Design
1.10 Top Down Design
3.3 Comments & Pseudocode
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
11.4 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
14.5 Functions
15.1 micro:bit Challenges
15.4 Final Project
1.10 Top Down Design
1.10 Top Down Design
3.3 Comments & Pseudocode
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
11.4 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