Code.org Lesson 9.4 Functions Explore/Investigate | Tutorial and Answer

Uploaded October 2023 | Updated September 2026, 3 weeks ago

Functions Explore/Investigate is lesson 9 of unit 4, Variables, Conditionals, and Functions, part of Code.org's C.S. Principles course. The course is often used in AP Computer Science classrooms. Each part of the course challenges students to accomplish a new task while learning the principles of computer science. In this video, I walk through the step-by-step how to get the right answer for this puzzle.

Lesson playlist: youtube.com/playlist?list=PLbsvRhEyGkKcR8E62AJe9ifMTpfTq0Tp_
Unit 4 playlist: youtube.com/playlist?list=PLbsvRhEyGkKdZ2BpRn2FdjIgCy1jLaZt7

Code.org Lesson 9.4 Functions Explore/Investigate | Tutorial and Answer | Unit 4 CSP

Code.org Lesson 8.1 Operators and Expressions | Tutorial with Answers | Unit 2 CSA

Code.org Lesson 5.5B Methods | Tutorial with Answers | Unit 1 CSA

Code.org Lesson 9.6A Mutator Methods | Tutorial with Answers | Unit 2 CSA

Code.org Lesson 8.2 Inheritance | Tutorial with Answers | Unit 1 CSA

Code.org Lesson 14.4 Mini-Project Animation | Tutorial with Answers | Unit 3 C.S. Discoveries

Code.org Lesson 2.2 Method Parameters | Tutorial with Answers | CSA Unit 7

Code.org Lesson 8.2C Recursion vs Iteration | Tutorials with Answers | Unit 7 CSA

Lesson 7.2 Loops | Tutorial with Answers | Unit 1 CSA

Code.org Lesson 4.1 Recursive Binary Search | Tutorials with Answers | Unit 8 CSA

Code.org Lesson 10.4A Text | Answer Tutorial | Practice B White Debug Flying Riddle | CSD 3b + AI 4b