Wow an insightful and very engaging presentation. It was able to clarify maths concepts. the excercises where focussed and related to the content. The one aspect of the presentation is that I found it a bit to wordy.
i like to fomat of your presentation and liked the manner in which you used slide transition. The music also made it a bit more engaging. You had the buttons at the correct places and it was easy to navigate. Although I have to admit there were times when I dod not know where I was.