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IN CS 1: CSI-1.3

CodeHS Lessons

Use puzzles and games to enhance problem solving skills.

Standard
1.1 Introduction to Programming With Karel
1.2 More Basic Karel
1.3 Karel Can't Turn Right
1.4 Functions in Karel
1.5 The Start Function
1.6 Top Down Design and Decomposition in Karel
1.7 Commenting Your Code
1.8 Super Karel
1.9 For Loops
1.10 If Statements
1.11 If/Else Statements
1.12 While Loops in Karel
1.13 Control Structures Example
1.14 More Karel Examples and Testing
2.1 Challenge Problems
11.1 Breakout
Standard
2.1 Intro to Python with Tracy the Turtle
2.2 Tracy's Grid World
2.3 Turning Tracy
2.4 For Loops
2.5 Turning Tracy Using Angles
2.8 Functions
2.9 Artistic Effects
2.10 Top Down Design
2.11 Variables
2.12 User Input
2.13 Parameters
2.14 Using i in For Loops
2.15 Extended Loop Control
2.16 If Statements
2.17 If/ Else Statements
2.18 While Loops
2.19 Putting Together Control Structures
10.1 Project: Guess the Word
Standard
8.2 Traversing 2D Arrays
17.1 Elevens
19.1 Picture Lab
21.3 Activity 3: Putting it All Together
Standard
1.2 Introduction to Programming With Karel
1.4 Karel Can't Turn Right
1.20 Karel Challenges
Standard
1.2 Introduction to Programming With Karel
1.4 Karel Can't Turn Right
1.18 Karel Challenges
Standard
1.2 Introduction to Programming With Karel
1.4 Karel Can't Turn Right
1.20 Karel Challenges
Standard
13.11 Variables
13.19 Putting Together Control Structures
13.18 While Loops
13.17 If/ Else Statements
13.16 If Statements
13.15 Extended Loop Control
13.14 Using i in For Loops
13.13 Parameters
13.12 User Input
13.1 Intro to Python with Tracy the Turtle
13.10 Top Down Design
13.9 Artistic Effects
13.8 Functions
13.5 Turning Tracy Using Angles
13.4 For Loops
13.3 Turning Tracy
13.2 Tracy's Grid World
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1.10 JavaScript Animations
1.11 Positioning and Animations
7.2 Planning Your Site
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5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
21.1 Challenge Problems
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
2.1 Turning Tracy
2.2 For Loops
2.3 Turning Tracy Using Angles
3.3 Functions
3.4 Artistic Effects
3.5 Top Down Design
4.1 Variables
4.2 User Input
4.3 Parameters
4.4 Using i in For Loops
4.5 Extended Loop Control
5.1 If Statements
5.2 If/ Else Statements
5.3 While Loops
6.1 Putting Together Control Structures
Standard
3.1 Intro to Python with Tracy the Turtle
3.2 Tracy's Grid World
3.3 Turning Tracy
3.4 For Loops
3.5 Turning Tracy Using Angles
3.8 Functions
3.9 Artistic Effects
3.10 Top Down Design
3.11 Variables
3.12 User Input
3.13 Parameters
3.14 Using i in For Loops
3.15 Extended Loop Control
3.16 If Statements
3.17 If/ Else Statements
3.18 While Loops
3.19 Putting Together Control Structures
Standard
6.11 Variables
6.19 Putting Together Control Structures
6.18 While Loops
6.17 If/ Else Statements
6.16 If Statements
6.15 Extended Loop Control
6.14 Using i in For Loops
6.13 Parameters
6.12 User Input
6.1 Intro to Python with Tracy the Turtle
6.10 Top Down Design
6.9 Artistic Effects
6.8 Functions
6.5 Turning Tracy Using Angles
6.4 For Loops
6.3 Turning Tracy
6.2 Tracy's Grid World
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
6.1 Writing BlackJack
7.1 Battleship
19.3 Activity 3: Putting it All Together
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
2.3 Basic Crypto Systems: Caesar Cipher
2.4 Basic Crypto Systems: Cracking Caesar
2.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
21.4 Basic Crypto Systems: Caesar Cipher
21.5 Basic Crypto Systems: Cracking Caesar
21.6 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
1.1 Introduction to Programming With Karel
1.2 More Basic Karel
1.3 Karel Can't Turn Right
1.4 Functions in Karel
1.5 The Start Function
1.6 Top Down Design and Decomposition in Karel
1.7 Commenting Your Code
1.8 Super Karel
1.9 For Loops
1.10 If Statements
1.11 If/Else Statements
1.12 While Loops in Karel
1.13 Control Structures Example
1.14 More Karel Examples and Testing
2.1 Challenge Problems
12.1 Breakout
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
3.1 Intro to Python with Tracy the Turtle
3.2 Tracy's Grid World
3.3 Turning Tracy
3.4 For Loops
3.5 Turning Tracy Using Angles
3.8 Functions
3.9 Artistic Effects
3.10 Top Down Design
3.12 Variables
3.13 User Input
3.14 Parameters
3.15 Using i in For Loops
3.16 Extended Loop Control
3.17 If Statements
3.18 If/ Else Statements
3.19 While Loops
3.20 Putting Together Control Structures
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
3.1 Introduction to Programming With Karel
3.2 More Basic Karel
3.3 Karel Can't Turn Right
3.4 Functions in Karel
3.5 The Start Function
3.6 Top Down Design and Decomposition in Karel
3.7 Commenting Your Code
3.9 Super Karel
3.10 For Loops
3.11 If Statements
3.12 If/Else Statements
3.13 While Loops in Karel
3.14 Control Structures Example
3.15 More Karel Examples and Testing
4.2 Challenge Problems
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.8 Super Karel
2.9 For Loops
2.10 If Statements
2.11 If/Else Statements
2.12 While Loops in Karel
2.13 Control Structures Example
2.14 More Karel Examples and Testing
3.2 Challenge Problems
11.1 Breakout
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.8 Super Karel
2.9 For Loops
2.10 If Statements
2.11 If/Else Statements
2.12 While Loops in Karel
2.13 Control Structures Example
2.14 More Karel Examples and Testing
3.2 Challenge Problems
Standard
8.3 Basic Crypto Systems: Caesar Cipher
8.4 Basic Crypto Systems: Cracking Caesar
8.5 Basic Crypto Systems: Vigenere Cipher
Standard
2.1 Introduction to Programming With Karel
2.2 More Basic Karel
2.3 Karel Can't Turn Right
2.4 Functions in Karel
2.5 The Start Function
2.6 Top Down Design and Decomposition in Karel
2.7 Commenting Your Code
2.9 Super Karel
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
2.15 More Karel Examples and Testing
3.2 Challenge Problems
Standard
1.1 Intro to Python with Tracy the Turtle
1.2 Tracy's Grid World
1.3 Turning Tracy
1.4 For Loops
1.5 Turning Tracy Using Angles
1.8 Functions
1.9 Artistic Effects
1.10 Top Down Design
1.11 Variables
1.12 User Input
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
5.3 Basic Crypto Systems: Caesar Cipher
5.4 Basic Crypto Systems: Cracking Caesar
5.5 Basic Crypto Systems: Vigenere Cipher
Standard
1.1 Introduction to Programming With Karel
1.2 More Basic Karel
1.3 Karel Can't Turn Right
1.4 Functions in Karel
1.5 The Start Function
1.6 Top Down Design and Decomposition in Karel
1.7 Commenting Your Code
1.8 Super Karel
1.9 For Loops
1.10 If Statements
1.11 If/Else Statements
1.12 While Loops in Karel
1.13 Control Structures Example
1.14 More Karel Examples and Testing
2.1 Challenge Problems
11.1 Breakout
Standard
1.1 Introduction to Programming With Karel
1.2 More Basic Karel
1.3 Karel Can't Turn Right
1.4 Functions in Karel
1.5 The Start Function
1.6 Top Down Design and Decomposition in Karel
1.7 Commenting Your Code
1.8 Super Karel
1.9 For Loops
1.10 If Statements
1.11 If/Else Statements
1.12 While Loops in Karel
1.13 Control Structures Example
1.14 More Karel Examples and Testing
2.1 Challenge Problems
Standard
15.2 Traversing 2D Arrays
Standard
14.2 Traversing 2D Arrays