# SD CS Essentials: SD.CSE.4.2

## CodeHS Lessons

Investigate specific control structures and tradeoffs involving implementation, readability, and program performance.

 Standard 1.9 For Loops 1.10 If Statements and Conditionals 1.11 If/Else Statements 1.12 While Loops 1.14 Control Structures Example 2.1 Challenge Problems 6.2 If/Else Statements 6.6 While Loops 6.7 The Break Statement 6.9 For Loops 7.1 Control Structures Challenges
 Standard 5.1 Booleans 5.2 If Statements 5.3 Comparison Operators 5.4 Logical Operators 7.3 Break and Continue 7.4 Nested Control Structures 22.1 Short Circuit Evaluation 24.16 Using i in For Loops 24.17 Extended Loop Control 24.20 While Loops 24.21 Putting Together Control Structures
 Standard 3.2 if Statements and Control Flow 4.1 Iteration 4.2 For Loops 4.4 Nested Iteration
 Standard 4.1 Booleans 4.2 Logical Operators 4.3 Comparison Operators 4.4 If Statements 4.5 Key Events 4.6 For Loops in JavaScript 4.7 General For Loops 4.8 For Loop Practice 4.9 Random Numbers 4.10 While Loops 4.11 Loop and a Half
 Standard 4.1 Booleans 4.2 Logical Operators 4.3 Comparison Operators 4.4 If Statements 4.5 Key Events 4.6 For Loops in Python 4.7 General For Loops 4.10 While Loops 4.11 Loop and a Half 28.1 Short Circuit Evaluation
 Standard 4.1 Booleans 4.2 Logical Operators 4.3 Comparison Operators 4.4 If Statements 4.6 Key Events 4.7 For Loops in JavaScript 4.8 General For Loops 4.9 For Loop Practice 4.10 Random Numbers 4.11 While Loops 4.12 Loop and a Half
 Standard 9.8 If Statements 9.9 For Loops in JavaScript 9.12 While Loops 9.10 For Loop Practice 9.13 Loop and a Half
 Standard 4.3 Looping 4.4 Branching 21.1 Challenge Problems 22.4 If Statements 22.5 For Loops in JavaScript 22.9 While Loops 23.1 Control Structures Challenges 22.6 General For Loops 22.7 For Loop Practice 22.10 Loop and a Half
 Standard 1.9 For Loops 1.10 If Statements and Conditionals 1.11 If/Else Statements 1.12 While Loops 1.14 Control Structures Example 1.16 Challenge Problems 5.2 If/Else Statements 5.6 While Loops 5.7 The Break Statement 5.9 For Loops 6.1 Control Structures Challenges
 Standard 1.9 For Loops 1.10 If Statements and Conditionals 1.11 If/Else Statements 1.12 While Loops 1.14 Control Structures Example 2.1 Challenge Problems 6.2 If/Else Statements 6.6 While Loops 6.7 The Break Statement 6.9 For Loops 7.1 Control Structures Challenges
 Standard 1.9 For Loops 1.10 If Statements and Conditionals 1.11 If/Else Statements 1.12 While Loops 1.14 Control Structures Example 2.1 Challenge Problems 6.2 If/Else Statements 6.6 While Loops 6.7 The Break Statement 6.9 For Loops 7.1 Control Structures Challenges
 Standard 5.9 Using i in For Loops 5.10 Extended Loop Control 7.4 While Loops 8.1 Putting Together Control Structures
 Standard 5.9 Using i in For Loops 5.10 Extended Loop Control 7.4 While Loops 8.1 Putting Together Control Structures
 Standard 4.4 If/Else Statements
 Standard 1.12 While Loops in Karel 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.16 Karel Challenges 13.19 Putting Together Control Structures 13.14 Using i in For Loops 13.15 Extended Loop Control 13.18 While Loops
 Standard 2.12 While Loops in Karel 2.13 Control Structures Example 2.14 More Karel Examples and Testing 2.16 Karel Challenges 3.14 Using i in For Loops 3.15 Extended Loop Control 3.18 While Loops 3.19 Putting Together Control Structures
 Standard 2.12 While Loops in Karel 2.13 Control Structures Example 2.14 More Karel Examples and Testing 2.16 Karel Challenges 6.19 Putting Together Control Structures 6.14 Using i in For Loops 6.15 Extended Loop Control 6.18 While Loops
 Standard 7.8 Comparison Operators 7.9 Logical Operators 7.12 Break and Continue
 Standard 1.12 While Loops in Karel 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.16 Karel Challenges
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 4.1 Booleans 4.2 If Statements 4.3 Comparison Operators 4.4 Logical Operators 5.3 Break and Continue 5.4 Nested Control Structures 17.1 Short Circuit Evaluation
 Standard 1.9 For Loops 1.10 If Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.13 Control Structures Example 2.1 Challenge Problems 6.4 If Statements 6.5 For Loops in JavaScript 6.6 General For Loops 6.7 For Loop Practice 6.9 While Loops 6.10 Loop and a Half 7.1 Control Structures Challenges
 Standard 4.4 Using i in For Loops 4.5 Extended Loop Control 6.3 While Loops 8.1 Putting Together Control Structures
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 11.13 Control Structures Example 11.12 While Loops in Karel 11.16 Karel Challenges 11.14 More Karel Examples and Testing
 Standard 2.9 For Loops 2.10 While Loops 2.11 If Statements 2.12 Loop-and-a-Half
 Standard 1.9 For Loops 1.10 If Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.13 Control Structures Example 2.1 Challenge Problems 5.4 If Statements 5.5 For Loops in JavaScript 5.6 General For Loops 5.7 For Loop Practice 5.9 While Loops 5.10 Loop and a Half 6.1 Control Structures Challenges
 Standard 1.9 For Loops 1.10 If Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.13 Control Structures Example 2.1 Challenge Problems 5.4 If Statements 5.5 For Loops in JavaScript 5.6 General For Loops 5.7 For Loop Practice 5.9 While Loops 5.10 Loop and a Half 6.1 Control Structures Challenges
 Standard 1.9 For Loops 1.10 If Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.13 Control Structures Example 2.1 Challenge Problems 5.4 If Statements 5.5 For Loops in JavaScript 5.6 General For Loops 5.7 For Loop Practice 5.9 While Loops 5.10 Loop and a Half 6.1 Control Structures Challenges
 Standard 4.4 Using i in For Loops 4.5 Extended Loop Control 5.3 While Loops 6.1 Putting Together Control Structures
 Standard 2.14 Using i in For Loops 2.15 Extended Loop Control 2.18 While Loops 2.19 Putting Together Control Structures 4.1 Booleans 4.2 If Statements 4.3 Comparison Operators 4.4 Logical Operators 5.3 Break and Continue 5.4 Nested Control Structures 15.1 Short Circuit Evaluation
 Standard 14.8 If Statements 14.9 For Loops in JavaScript
 Standard 5.2 if Statements and Control Flow 7.1 Iteration 7.2 For Loops 7.4 Nested Iteration
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 8.4 If Statements 8.5 For Loops in JavaScript 8.6 General For Loops 8.7 For Loop Practice 8.9 While Loops 8.10 Loop and a Half 9.1 Control Structures Challenges
 Standard 2.16 Using i in For Loops 2.17 Extended Loop Control 2.20 While Loops 2.22 Putting Together Control Structures 6.1 Booleans 6.2 If Statements 6.3 Comparison Operators 6.4 Logical Operators 7.3 Break and Continue 7.4 Nested Control Structures 17.1 Short Circuit Evaluation
 Standard 3.10 For Loops 3.11 If Statements 3.12 If/Else Statements 3.13 While Loops in Karel 3.14 Control Structures Example 4.2 Challenge Problems 8.4 If Statements 8.5 For Loops in JavaScript 8.6 General For Loops 8.7 For Loop Practice 8.9 While Loops 8.10 Loop and a Half 9.1 Control Structures Challenges
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 11.13 Control Structures Example 11.12 While Loops in Karel 11.16 Karel Challenges 11.14 More Karel Examples and Testing
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 11.13 Control Structures Example 11.12 While Loops in Karel 11.16 Karel Challenges 11.14 More Karel Examples and Testing
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 9.4 If Statements 9.5 For Loops in JavaScript 9.6 General For Loops 9.7 For Loop Practice 9.9 While Loops 9.10 Loop and a Half 10.1 Control Structures Challenges
 Standard 3.14 Using i in For Loops 3.15 Extended Loop Control 3.18 While Loops 3.19 Putting Together Control Structures
 Standard 6.4 Branching 6.3 Looping
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 15.4 If Statements 15.5 For Loops in JavaScript 15.9 While Loops 16.1 Control Structures Challenges 15.6 General For Loops 15.7 For Loop Practice 15.10 Loop and a Half
 Standard 4.1 Booleans 4.2 Logical Operators 4.3 Comparison Operators 4.4 If Statements 4.5 Key Events 4.6 For Loops in JavaScript 4.7 General For Loops 4.8 For Loop Practice 4.9 Random Numbers 4.10 While Loops 4.11 Loop and a Half
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 14.4 If Statements 14.5 For Loops in JavaScript 14.9 While Loops 15.1 Control Structures Challenges 14.6 General For Loops 14.7 For Loop Practice 14.10 Loop and a Half
 Standard 4.1 Booleans 4.2 If Statements 4.3 Comparison Operators 4.4 Logical Operators 5.3 Break and Continue 5.4 Nested Control Structures 18.19 Putting Together Control Structures 18.14 Using i in For Loops 18.15 Extended Loop Control 18.18 While Loops
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 6.13 Control Structures Example 6.12 While Loops in Karel 6.16 Karel Challenges 6.14 More Karel Examples and Testing
 Standard 1.9 For Loops 1.10 If Statements and Conditionals 1.11 If/Else Statements 1.12 While Loops 1.14 Control Structures Example 4.2 If/Else Statements 4.6 While Loops 4.7 The Break Statement 4.9 For Loops 18.1 Challenge Problems 23.1 Control Structures Challenges
 Standard 1.9 For Loops 1.10 If Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.13 Control Structures Example 2.1 Challenge Problems 10.4 If Statements 10.5 For Loops in JavaScript 10.6 General For Loops 10.7 For Loop Practice 10.9 While Loops 10.10 Loop and a Half 11.1 Control Structures Challenges
 Standard 1.9 For Loops 1.10 If Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.13 Control Structures Example 2.1 Challenge Problems 10.4 If Statements 10.5 For Loops in JavaScript 10.6 General For Loops 10.7 For Loop Practice 10.9 While Loops 10.10 Loop and a Half 11.1 Control Structures Challenges
 Standard 1.9 For Loops 1.10 If Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.13 Control Structures Example 2.1 Challenge Problems 6.4 If Statements 6.5 For Loops in JavaScript 6.6 General For Loops 6.7 For Loop Practice 6.9 While Loops 6.10 Loop and a Half 7.1 Control Structures Challenges
 Standard 23.3 Looping 23.4 Branching
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 11.13 Control Structures Example 11.12 While Loops in Karel 11.16 Karel Challenges 11.14 More Karel Examples and Testing
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 11.13 Control Structures Example 11.12 While Loops in Karel 11.16 Karel Challenges 11.14 More Karel Examples and Testing
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 11.13 Control Structures Example 11.12 While Loops in Karel 11.16 Karel Challenges 11.14 More Karel Examples and Testing
 Standard 6.15 While Loops 8.11 While Loops 8.12 For Loops 7.6 Booleans 7.7 If Statements 7.8 Comparison Operators 7.9 Logical Operators 8.8 If/Else Statements
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 11.13 Control Structures Example 11.12 While Loops in Karel 11.16 Karel Challenges 11.14 More Karel Examples and Testing
 Standard 3.1 Booleans 3.2 Logical Operators 3.3 Comparison Operators 3.4 If Statements 3.5 For Loops in JavaScript 3.6 General For Loops 3.7 For Loop Practice 3.8 Random Numbers 3.9 While Loops 3.10 Loop and a Half
 Standard 3.1 Booleans 3.2 Logical Operators 3.3 Comparison Operators 3.4 If Statements 3.5 For Loops in JavaScript 3.6 General For Loops 3.7 For Loop Practice 3.8 Random Numbers 3.9 While Loops 3.10 Loop and a Half
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 14.13 Control Structures Example 14.12 While Loops in Karel 14.16 Karel Challenges 14.14 More Karel Examples and Testing
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 11.13 Control Structures Example 11.12 While Loops in Karel 11.16 Karel Challenges 11.14 More Karel Examples and Testing
 Standard 3.14 Using i in For Loops 3.15 Extended Loop Control 3.18 While Loops 3.19 Putting Together Control Structures 8.12 While Loops in Karel 8.13 Control Structures Example 8.14 More Karel Examples and Testing 8.16 Karel Challenges
 Standard 3.15 Using i in For Loops 3.16 Extended Loop Control 3.19 While Loops 3.20 Putting Together Control Structures
 Standard 2.10 For Loops 2.11 If Statements and Conditionals 2.12 If/Else Statements 2.13 While Loops 2.15 Control Structures Example 7.2 If/Else Statements 7.6 While Loops 7.7 The Break Statement 7.9 For Loops
 Standard 2.9 For Loops 2.10 If Statements and Conditionals 2.11 If/Else Statements 2.12 While Loops 2.14 Control Structures Example 6.2 If/Else Statements 6.6 While Loops 6.7 The Break Statement 6.9 For Loops 14.1 Challenge Problems 19.1 Control Structures Challenges
 Standard 3.1 Booleans 3.2 Logical Operators 3.3 Comparison Operators 3.4 If Statements 3.5 Key Events 3.6 For Loops in JavaScript 3.7 General For Loops 3.8 For Loop Practice 3.9 Random Numbers 3.10 While Loops 3.11 Loop and a Half
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 11.13 Control Structures Example 11.12 While Loops in Karel 11.16 Karel Challenges 11.14 More Karel Examples and Testing
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 3.1 Booleans 3.2 Logical Operators 3.3 Comparison Operators 3.4 If Statements 3.5 Key Events 3.6 For Loops in Python 3.7 General For Loops 3.10 While Loops 3.11 Loop and a Half
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 12.13 Control Structures Example 12.12 While Loops in Karel 12.16 Karel Challenges 12.14 More Karel Examples and Testing
 Standard 6.1 Booleans 6.2 If Statements 6.3 Comparison Operators 6.4 Logical Operators 7.3 Break and Continue 7.4 Nested Control Structures 16.16 Using i in For Loops 16.17 Extended Loop Control 16.20 While Loops 16.21 Putting Together Control Structures
 Standard 2.1 Booleans 2.2 Logical Operators 2.3 Comparison Operators 2.4 If Statements 2.5 Key Events 2.6 For Loops in Python 2.7 General For Loops 2.10 While Loops 2.11 Loop and a Half
 Standard 6.1 Booleans 6.2 If Statements 6.3 Comparison Operators 6.4 Logical Operators 7.3 Break and Continue 7.4 Nested Control Structures 16.16 Using i in For Loops 16.17 Extended Loop Control 16.20 While Loops 16.21 Putting Together Control Structures
 Standard 2.1 Booleans 2.2 Logical Operators 2.3 Comparison Operators 2.4 If Statements 2.5 Key Events 2.6 For Loops in Python 2.7 General For Loops 2.10 While Loops 2.11 Loop and a Half
 Standard 3.10 For Loops 3.11 If Statements 3.12 If/Else Statements 3.13 While Loops in Karel 3.14 Control Structures Example 4.2 Challenge Problems 10.4 If Statements 10.5 For Loops in JavaScript 10.9 While Loops 11.1 Control Structures Challenges 10.6 General For Loops 10.7 For Loop Practice 10.10 Loop and a Half
 Standard 16.3 Looping 16.4 Branching
 Standard 1.9 For Loops 1.10 If Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.13 Control Structures Example
 Standard 4.10 For Loops 4.11 If Statements 4.12 If/Else Statements 4.13 While Loops in Karel 4.14 Control Structures Example 6.4 If Statements 6.5 For Loops in JavaScript 6.6 General For Loops 6.7 For Loop Practice 6.9 While Loops 6.10 Loop and a Half
 Standard 2.9 For Loops 2.10 If Statements and Conditionals 2.11 If/Else Statements 2.12 While Loops 2.15 Control Structures Example 3.1 Challenge Problems 8.2 If/Else Statements 8.6 While Loops 8.7 The Break Statement 8.9 For Loops 9.1 Control Structures Challenges
 Standard 20.3 Looping 20.4 Branching
 Standard 4.6 Using i in For Loops 4.7 Extended Loop Control 5.3 While Loops 6.1 Putting Together Control Structures
 Standard 2.9 For Loops 2.10 If Statements 2.11 If/Else Statements 2.12 While Loops in Karel 2.13 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 2.10 For Loops 2.11 If Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.14 Control Structures Example 3.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges
 Standard 1.14 Using i in For Loops 1.15 Extended Loop Control 1.18 While Loops 1.19 Putting Together Control Structures 11.13 Control Structures Example 11.12 While Loops in Karel 11.16 Karel Challenges 11.14 More Karel Examples and Testing
 Standard 9.2 if Statements and Control Flow 10.1 Iteration 10.2 For Loops 10.4 Nested Iteration
 Standard 9.2 if Statements and Control Flow 10.1 Iteration 10.2 For Loops 10.4 Nested Iteration
 Standard 13.8 If Statements 13.9 For Loops in JavaScript 13.12 While Loops 13.10 For Loop Practice 13.13 Loop and a Half
 Standard 4.1 Booleans 4.2 If Statements 4.3 Comparison Operators 4.4 Logical Operators 6.3 Break and Continue 6.4 Nested Control Structures
 Standard 4.4 If/Else Statements
 Standard 5.9 Using i in For Loops 5.10 Extended Loop Control 7.4 While Loops 8.1 Putting Together Control Structures
 Standard 5.9 Using i in For Loops 5.10 Extended Loop Control 7.4 While Loops 8.1 Putting Together Control Structures
 Standard 4.1 Booleans 4.2 If Statements 4.3 Comparison Operators 4.4 Logical Operators 6.3 Break and Continue 6.4 Nested Control Structures
 Standard 4.1 Booleans 4.2 If Statements 4.3 Comparison Operators 4.4 Logical Operators 6.3 Break and Continue 6.4 Nested Control Structures 11.16 Using i in For Loops 11.17 Extended Loop Control 11.20 While Loops 11.21 Putting Together Control Structures
 Standard 8.8 If Statements 8.9 For Loops in JavaScript 8.12 While Loops 8.10 For Loop Practice 8.13 Loop and a Half
 Standard 12.8 If Statements 12.9 For Loops in JavaScript 12.12 While Loops 12.10 For Loop Practice 12.13 Loop and a Half
 Standard 4.10 For Loops 4.11 While Loops 4.12 If Statements 4.13 Loop-and-a-Half
 Standard 1.10 For Loops 1.11 If Statements 1.12 If/Else Statements 1.13 While Loops in Karel 1.14 Control Structures Example 2.2 Challenge Problems 7.4 If Statements 7.5 For Loops in JavaScript 7.6 General For Loops 7.7 For Loop Practice 7.9 While Loops 7.10 Loop and a Half 8.1 Control Structures Challenges