I got invited at about 4 pm on Fri to do a demo lesson at 9.15 on Monday morning. The directions say: "Prepare a lesson for a 30 minute block using the following standard . . . please note we will only ask you to teach the mini lesson portion of the lesson, but ask you to prepare the entire lesson so we can envision the entire lesson." Does this mean my entire lesson should be for 30 min and the mini lesson will be a part of that 30 min? Apologies if this is an obvious question, I've never done a demo lesson before. Also, I can't imagine how I will launch into the lesson if they only want to see the mini lesson. Wouldn't it be rather random and disjointed?