tutorials are exercise specific and are sometimes referred to as a sample problems. It will walk you through steps needed to solve a particular problem. It is similar to a

In this case, there are many answers; since the question is a little ambiguous. See the explanation below.

Step-by-step explanation:

Tutorials are exercise-specific and are sometimes referred to as sample problems. A tutorial will walk you through the steps needed to solve a particular problem or problems of a kind. As such, what is a tutorial similar to?

1.  A guide

2. A manual training e.g. on how to drive a car or a specific car type

3. A preamble to the main problem or arithmetic you want to solve

4. A preparation

5. A test of ability to conquer the main quest

6. A framework imitating what you'll meet ahead

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.