Teaching Through Games


Teaching and Learning Through Games

At work recently I've had the task of mentoring a young student. This involves teaching them how to program, how to approach problems related to code, and how to help them improve themselves.

One of the biggest hurdles for students in learning is finding something that engages them and challenges them without being absolutely over their heads. Since I'm teaching this student C++, the level of detail they have to learn in order to create even a simple program is far greater than if I were teaching them something like python.

The other day, while thinking about what would be taught to my apprentice I hit on the idea that I should use the same game which I learned while I was their age. Which is a simplified game of Nim, called the 21 game. Up until this point the student had only been going over tutorials from cplusplus.com; which, while informative, aren't the most engaging.

So I coded up a quick game of Nim in about 5 minutes to share:

This was a simple game, which would work provided that the user entered valid inputs. We all know that's not going to happen and we must be defensive about our code. So my lesson to the student today was built up of the following:

This lesson definitely engaged the student a lot more than sitting and reading tutorials all morning. Over the course of 3 hours I saw the proficiency and understanding of the code increase. It was very rewarding. The student is still new to programming, so best practices weren't really being followed here, there was a goto to restart the game, there were redundant statements, and nothing was in functions.

But, it was built up piecemeal, expanded on for each new feature, and it worked. What's most important is that this was an encouraging lesson and engaging one to the student, and it was easy to tell that they were enjoying this far more than reading the tutorials from before.

I encourage you to take the little bit of code at the top and make your own version of the game before looking at my implementation below that was created as I sat next to the student. Teaching is an amazingly rewarding experience and really helps to ground your knowledge, it is one of the best ways to learn and to refresh your own foundations. Highly recommend it.

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