AP® CSA Unit 4: Data Collections | Goldie's Complete Curriculum

AP CSA Unit 4 Full Curriculum Bundle

Data Collections

Complete Lessons, Projects, Activities & Assessments

Aligned to 2025 CED

 

Goldie's AP Computer Science A Unit 4 Full Curriculum Bundle provides everything you need to teach 1D arrays, ArrayLists, 2D arrays, and algorithms with confidence and clarity.

 

Covering all major topics related to arrays, reading text files, ArrayLists, 2D arrays, sorting and searching, and recursion, this bundle includes detailed lesson notes, guided practice, homework assignments, assessments, hands-on activities, coding projects, and more. Every resource is aligned with the College Board’s AP CSA curriculum and designed to build student mastery through a balance of direct instruction, practice, and application.

 

All materials are teacher-created, easy to implement, and come with answer keys, rubrics, and sample code to support both teachers and students.

 

Lesson Topics:

• Ethics and Data Sets
• Arrays
• Reading TXT files
• ArrayLists
• Two-Dimensional Arrays
• Algorithms for 1D arrays, 2D arrays, and ArrayLists
• Searching and Sorting: Linear, Binary, Insertion, Selection, and Merge
• Recursion

 

What's Included:

 

18 Complete Lessons which each include:

• Editable guided notes
• Student-friendly PowerPoint slides
• Instructional video (hosted on YouTube)
• A teacher-ready lesson plan with learning goals, pacing, and checks for understanding
• Unplugged homework assignment

 

 

Assessments, Projects, and Activities:

• 6 Coding Projects where students use their IDE to complete the assignment
• 11 In-Class Activities including interactive practice and a review game
• 5 Quizzes with multiple choice questions and free response questions
• 5 In-Class Practice Assignments
• 2 Unit 4 Test Reviews
• 4 Full Unit Assessments with a detailed grading rubric

 

Why Teachers Love This Resource:

 

✅ Covers 100% of the Unit 4 standards from the new 2025 AP CSA CED

✅ Comes with pacing guides and objectives to show clear alignment

✅ Everything is editable in Word and PowerPoint for easy customization

✅ Built to be classroom-ready and time-saving

✅ Includes answer keys for everything

✅ Supports student learning with engaging activities and clear, structured lessons

 

This is the ultimate Unit 4 resource for AP CSA teachers who want to save time, stay aligned, and deliver high-quality instruction with confidence. Whether you're new to teaching AP Computer Science A or looking to refresh your curriculum, Goldie's bundle has everything you need to get started and stay on track.

 

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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 AP CSA Assessment Bundle

 

Goldie's Coding Projects and 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

Goldie's AP CSA Projects & Activities Bundle

 

Goldie's Guided Notes and Homework:

Unit 1 Lesson Bundle

Unit 2 Lesson Bundle

Unit 3 Lesson Bundle

Unit 4 Lesson Bundle

 

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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!!

 

AP® is a trademark registered by the College Board, which is not affiliated with, and does not endorse, this product.

 

I want to provide the best possible resources to help other teachers out! You will be notified of any future updates and additions to this product and it will be free of charge. Your support is essential and I thank you for allowing me to continue doing what I love to do.

 

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