Try teaching an application (Score 1)

The easisiest way to help your mother learn something is to ask her what she would like to be able to do. Then teach the application and use that to build on. Say she wants to learn what the e-mail program can do (calendars, scheduling) and help her understand how to do that. Then she may find other things to do that you can help her with. In my experience it's easier to teach somthing to adults based on their finding solutions to problems they want to solve themselves.