098. the london tube map: the power of abstraction (ks4)
Explore the concept of abstraction by analysing the London Tube map, learning how hiding unnecessary complexity helps programmers solve real-world problems efficiently.
Have you ever looked at a map of the London Underground? It does not show the actual twists and turns of the tunnels, or the distance between stations above ground. It removes all that confusing detail and leaves only what you need to know: the stops and the lines. This is called abstraction. In this lesson, we will explore how hiding unnecessary complexity is one of the most powerful problem-solving tools in computer science.
Last modified: March 26th, 2026
