How you decide to plan your microteach is entirely up to you. However Outlined below are 9 Steps to help you.
Identify possible topic areas that you could deliver. Consider your own interests and passions.
Check whether you have sufficient knowledge, information and experience to deliver these topics. You might want to consider RAG rating them against different criteria.
Select up to 3 to start to narrow down your decision. Use your RAG ratings to help you decide.
As your peers or prospective audience about which topics they like out of your short list. It may also be worth discussing these with your tutor to ensure you can adequately meet the assessment criteria and practically deliver the topic in the time frame allowed and with the available resources.