Lecture-Discussion method while moving around is endorsed by many education experts as the best in such a case. Make skilful use of questions and solicit for views in a random fashion. Lecture for a short period and engage in group tutoring for better understanding of the content by students. Best regards
Using of technology to give lectures: using visual aids such as PowerPoint presentations, videos and images from Internet, can help break up a lecture and holds students attention
Use Audience Response Systems, including clickers and programs students can download, create an environment where more students are able and willing to participate in class, thereby encouraging active learning.