This document provides a lesson on writing simple C# programs. It demonstrates how to create a console application project in Visual Studio, write code to calculate the sum of two test scores, and include dialog text using Console.WriteLine. It also provides examples of exercises for students, such as writing a program to calculate the average of four numbers or perform math operations on user-input values. The assignment is to write a program to convert temperatures between Celsius, Kelvin and Fahrenheit scales.