2. Selection and Iteration

Class Periods:

AP CSA Exam Weighting:

• 2.1. Algorithms with Selection and Repetition
  • 2.1.1. Selection
  • 2.1.2. Repetition
  • 2.1.3. Algorithms with Pseudocode and Flowcharts
  • 2.1.4. Coding Challenge : Algorithms
  • 2.1.5. Summary
• 2.2. Boolean Expressions
  • 2.2.1. Testing Equality (==)
  • 2.2.2. Relational Operators (<, >)
  • 2.2.3. Testing with remainder (%)
  • 2.2.4. Coding Challenge : Prime Numbers POGIL
  • 2.2.5. Summary
  • 2.2.6. AP Practice
  • 2.2.7. Relational Operators Practice Game
• 2.3. if Statements
  • 2.3.1. One-way selection
  • 2.3.2. Relational Operators in If Statements
  • 2.3.3. Two-way selection
  • 2.3.4. Common Errors with If Statements
  • 2.3.5. Coding Challenge: Magic 8 Ball
  • 2.3.6. Summary
  • 2.3.7. AP Practice
• 2.4. Nested if Statements
  • 2.4.1. Multiway selection (else if)
  • 2.4.2. Dangling Else Statements
  • 2.4.3. Coding Challenge : Adventure
  • 2.4.4. Summary
  • 2.4.5. AP Practice
• 2.5. Compound Boolean Expressions
  • 2.5.1. And (&&), Or (||), and Not (!)
  • 2.5.2. Truth Tables
  • 2.5.3. Short Circuit Evaluation
  • 2.5.4. Coding Challenge : Truth Tables POGIL
  • 2.5.5. Summary
  • 2.5.6. AP Practice
  • 2.5.7. Boolean Game
• 2.6. Comparing Boolean Expressions (De Morgan’s Laws)
  • 2.6.1. De Morgan’s Laws
  • 2.6.2. Truth Tables
  • 2.6.3. Simplifying Boolean Expressions
  • 2.6.4. Comparing Objects
  • 2.6.5. String Equality
  • 2.6.6. Equality with New Strings
  • 2.6.7. Comparing with null
  • 2.6.8. Coding Challenge : Truth and Tracing Tables POGIL
  • 2.6.9. Summary
  • 2.6.10. AP Practice
  • 2.6.11. Review/Practice for Selection
• 2.7. While Loops
  • 2.7.1. Three Steps to Writing a Loop
  • 2.7.2. Tracing Loops
  • 2.7.3. Common Errors with Loops
  • 2.7.4. Input-Controlled Loops
  • 2.7.5. Coding Challenge : Turtle Squares
  • 2.7.6. Summary
  • 2.7.7. AP Practice
• 2.8. For Loops
  • 2.8.1. Three Parts of a For Loop
  • 2.8.2. Decrementing Loops
  • 2.8.3. Coding Challenge : Turtles Drawing Shapes
  • 2.8.4. Summary
  • 2.8.5. AP Practice
• 2.9. Implementing Selection and Iteration Algorithms
  • 2.9.1. Accumulator Pattern for Sum/Average
  • 2.9.2. Input-Controlled Loop
  • 2.9.3. Loop with if and Minimum/Maximum
  • 2.9.4. Divisibility
  • 2.9.5. Finding Digits with / and %
  • 2.9.6. Math.random() in if Statements
  • 2.9.7. Frequency
  • 2.9.8. Coding Challenge : Prime Number Finder
  • 2.9.9. Summary
• 2.10. Implementing String Algorithms
  • 2.10.1. While Find and Replace Loop
  • 2.10.2. For Loops: Reverse String
  • 2.10.3. Coding Challenge : String Replacement Cats and Dogs
  • 2.10.4. Summary
• 2.11. Nested Iteration
  • 2.11.1. Nested Loops with Turtles
  • 2.11.2. Coding Challenge : Turtle Snowflakes
  • 2.11.3. Summary
• 2.12. Informal Runtime Analysis of Loops
  • 2.12.1. Tracing Loops
  • 2.12.2. Counting Loop Iterations
  • 2.12.3. Analyzing Nested Loops
  • 2.12.4. Non-rectangular Nested Loops
  • 2.12.5. Coding Challenge : POGIL Analyzing Loops
  • 2.12.6. Summary
  • 2.12.7. Loop Analysis Game
  • 2.12.8. Review/Practice for Loops
• 2.13. Unit Summary 2a Selection (2.1-2.6)
  • 2.13.1. Concept Summary
  • 2.13.2. Java Keyword Summary
  • 2.13.3. Vocabulary Practice
  • 2.13.4. Common Mistakes
• 2.14. Selection Mixed Up Code Practice (2.1-2.6)
• 2.15. Selection Toggle Mixed Up or Write Code Practice (2.1-2.6)
• 2.16. Selection Coding Practice (2.1-2.6)
• 2.17. Selection Multiple Choice Exercises (2.1-2.6)
  • 2.17.1. Easier Multiple Choice Questions
  • 2.17.2. Medium Multiple Choice Questions
  • 2.17.3. Hard Multiple Choice Questions
• 2.18. Selection Free Response Question (FRQ) Game Practice (2.1-2.6)
  • 2.18.1. FRQ 1 Part A Description (2022)
  • 2.18.2. Warm up Exercises
  • 2.18.3. Solve the Problem
  • 2.18.4. AP Scoring Rubric
• 2.19. FRQ Style Selection Coding Practice (2.1-2.6)
• 2.20. Group Work - Remainder Operator (%)
  • 2.20.1. Going Beyond Remainder 4
  • 2.20.2. Look Deeper
  • 2.20.3. More Practice
  • 2.20.4. Long Division with a Remainder
  • 2.20.5. Dividing Evenly
  • 2.20.6. Describe the Remainder (%) Operator
• 2.21. Unit Summary 2b Loops (2.7-2.12)
  • 2.21.1. Concept Summary
  • 2.21.2. Java Keyword Summary
  • 2.21.3. Vocabulary Practice
  • 2.21.4. Common Mistakes
• 2.22. Loops Mixed Up Code Practice (2.7-2.12)
• 2.23. Loops Toggle Mixed Up or Write Code Practice (2.7-2.12)
• 2.24. Loops Coding Practice (2.7-2.12)
• 2.25. Loops Multiple Choice Exercises (2.7-2.12)
  • 2.25.1. Easier Multiple Choice Questions
  • 2.25.2. Medium Multiple Choice Questions
  • 2.25.3. More Practice
• 2.26. Unit 2 Test
• 2.27. FRQ APCalendar for Loops and Control Structures
  • 2.27.1. 2019 APCalendar FRQ
  • 2.27.2. Part A: numberOfLeapYear()
  • 2.27.3. How to solve numberOfLeapYears()
  • 2.27.4. Part B: dayOfWeek()
• 2.28. FRQ Self Divisor A
  • 2.28.1. How to solve this problem
  • 2.28.2. Video - One way to code the solution
• 2.29. FRQ String Scramble A
  • 2.29.1. How to solve this problem
  • 2.29.2. Figuring out the algorithm
  • 2.29.3. Write the Code
  • 2.29.4. Video - One way to code the solution
• 2.30. Magpie Chatbot Lab
  • 2.30.1. Magpie ChatBot Lab
    • 2.30.1.1. Lab Requirement
    • 2.30.1.2. Magpie Lab Description
    • 2.30.1.3. Activity 1: Exploring Chatbots
  • 2.30.2. Activity 2: Running Simplified Magpie Code
    • 2.30.2.1. Exercises
    • 2.30.2.2. Activity 2: Actual Code - (Optional)
  • 2.30.3. Activity 3: Better Keyword Detection
    • 2.30.3.1. More String Methods
    • 2.30.3.2. Better Keyword Detection
    • 2.30.3.3. Exercise: Use the new method
    • 2.30.3.4. Questions: Prepare for the next activity
  • 2.30.4. Activity 4: Responses that Transform Statements
    • 2.30.4.1. Exercises:
  • 2.30.5. Mixed Up Code Practice
• 2.31. Consumer Review Lab
  • 2.31.1. Activity 0 Analyzing Reviews
  • 2.31.2. Activity 1 : Sentiment Value
  • 2.31.3. Activity 2 :Total Sentiment Value and Star Ratings
  • 2.31.4. Activity 3 : Autogenerate a Fake Review
  • 2.31.5. Activity 4 : Create a More Positive or Negative Review
  • 2.31.6. Activity 5 : Open-ended Activity

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