AP® Computer Science A

Unit 2: Selection and Iteration

Lesson Bundle

Teach control structures with confidence! This Unit 2 lesson bundle covers everything your students need to know about selection and iteration including if statements, loops, logical operators, and more.

Aligned to the 2025 AP® CSA CED, these lessons are clear, scaffolded, and totally ready to go. Whether you’re introducing compound conditionals or tracing nested loops, this unit will help your students build confidence and master the logic behind the code.

What’s Included in this Unit 2 Bundle?

8 Complete, Editable Lessons on:

• Conditional Statements
• Nested Selection
• Compound Boolean Expressions
• while Loops
• Implementing Selection and Iteration Algorithms
• for Loops
• Implementing String Algorithms
• Nested Iteration

Each Lesson Includes:

• Editable guided notes for students
• Student-friendly PowerPoint presentation
• Instructional video to support flipped or absent students
• Detailed lesson plan with pacing, learning goals, and built-in checks for understanding
• Unplugged homework assignment for extra practice (no computer needed!)

Perfect for:

✔ AP Computer Science A teachers using the 2025 CED

✔ Teachers looking for fully-prepped, editable lesson materials

✔ Classrooms that benefit from guided notes and visual instruction

If you are looking for my COMPLETE Unit 2 Bundle, which includes the above plus assessments, coding projects, and activities, you will want to grab Goldie's Complete Curriculum for Unit 2.

If you're tired of piecing together lessons or searching for aligned resources, this bundle is your no-stress answer for a successful AP® CSA year.

Interested in more of Goldie's Materials?

Goldie's FULL CURRICULUM for AP Computer Science A

Goldie's Complete Unit Curricula:

Unit 1 – Using Objects and Methods

Unit 2 – Selection and Iteration

Unit 3 – Class Creation

Unit 4 – Data Collection

Goldie's Assessments:

Unit 1 – Using Objects and Methods | Goldie's Assessments

Unit 2 – Selection and Iteration | Goldie's Assessments

Unit 3 – Class Creation | Goldie's Assessments

Unit 4 – Data Collection | Goldie's Assessments

Goldie's Coding Projects & Activities:

Unit 1 – Using Objects and Methods | Goldie's Projects & Activities

Unit 2 – Selection and Iteration | Goldie's Projects & Activities

Unit 3 – Class Creation | Goldie's Projects & Activities

Unit 4 – Data Collection | Goldie's Projects & Activities

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Unit 1 Individual Lessons:

• Lesson 1 – Welcome to Java
• Lesson 2 – Variables and Data Types
• Lesson 3 – Expressions and Output
• Lesson 4 – Casting and Range of Variables
• Lesson 5 – Creating and Storing Objects
• Lesson 6 – Creating and Calling an Object's Methods
• Lesson 7 – String Manipulation
• Lesson 8 – Math Class

Unit 2 Individual Lessons:

• Lesson 1 – Conditional Statements
• Lesson 2 – Nested Selection
• Lesson 3 – Compound Boolean Expressions
• Lesson 4 – while Loops
• Lesson 5 – Implementing Selection and Iteration Algorithms
• Lesson 6 – for Loops
• Lesson 7 – Implementing String Algorithms
• Lesson 8 – Nested Iterations

Unit 3 Individual Lessons:

• Lesson 1 – Impacts of Program Design
• Lesson 2 – Program Design
• Lesson 3 – Classes and Constructors
• Lesson 4 – Accessor and Mutator Methods
• Lesson 5 – Class Variables and Methods
• Lesson 6 – References, Scope, and this

Unit 4 Individual Lessons:

• Lesson 1 – Ethical and Social Issues Around Data Collection
• Lesson 2 – Data Sets
• Lesson 3 – One Dimensional Arrays
• Lesson 4 – Array Traversals
• Lesson 5 – Implementing Array Algorithms
• Lesson 6 – Using Text Files
• Lesson 7 – Wrapper Classes
• Lesson 8 – ArrayList
• Lesson 9 – ArrayList Traversals
• Lesson 10 – Implementing ArrayList Algorithms
• Lesson 11 – 2D Arrays
• Lesson 12 – 2D Array Traversals
• Lesson 13 – Implementing 2D Array Algorithms
• Lesson 14 – Searching Algorithms
• Lesson 15 – Sorting Algorithms
• Lesson 16 – Recursion
• Lesson 17 – Tracing Recursive Output
• Lesson 18 – Recursive Searching and Sorting

If you need extra explanations or additional guidance, I would love to help!!

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