Do Vampires Exist?

In this activity students consider a population growth problem which leads to a power series. The presentation can be used to introduce the topic and use of spreadsheets would enable students to model and draw graphs of the situation.

Do vampires exist - teacher guidance gives a clear explanation of a possible approach to the topic. From this a lesson plan can be developed. Page three shows the expected form of the data showing the expected exponential growth and the associated graph. There is a link to a site showing the current world population in order to put the Vampire population into context.

Do vampires exist - overview gives a very brief outline of the files in the resource.

Do vampires exist - completed spreadsheet contains the population data showing the exponential growth of the vampire population over the 35 weeks. The same sheet shows the graph of the population growth. It could be used to show students what they are expected to achieve.

Do vampires exist -  presentation can be used as a class introduction to the topic. It explains what students need to do and has questions which could be useful to aid discussion. There are attractive pictures on the slides which help to maintain interest in this problem.