Teachers need to master more than the subject matter they teach; they must also have a deep understanding of the manner in which the subject matter (or the kinds of representations that can be constructed) can be changed by the application of particular technologies
Abstraction and analysis can be aided by technology. How are you staying up to date on available tools which can aid your instruction? How do you evaluate the use of those technologies and revision of lessons? How do you reflect on further changes or iterations?