Article
Savvas Learning

Concepts of Program Debugging

For Students 9th - 10th
A chapter from an online book on the concepts of C++ program debugging. Includes steps in debugging a system, with illustration, common debugging situations, with illustration, debugging tools, and the debugging environment.
Lesson Plan
Code.org

Code.org: Cs Fundamentals: Lesson 4: Debugging With Laurel

For Teachers 2nd - 4th
Students will practice debugging in the "collector" environment. Students will get to practice reading and editing code to fix puzzles with simple algorithms, loops and nested loops.
Handout
BBC

Bbc Bitesize: Development and Testing: Test Driven Development

For Students 6th - 9th
See why programming and debugging can be part of the same development process.
Handout
University of St. Andrews (UK)

University of St. Andrews: Grace Brewster Murray Hopper

For Students 9th - 10th
This site from the University of Saint Andrews discusses the life and accomplishments of Grace Brewster Murray Hopper, pioneer in computer software.