Here are a couple that are works in progress. Our year 7 & 8 students use wikis as digital portfolios. But they are set to private so I can't share them with you. But I can share a pretend one that has a few examples to get you on your way. Just go to the link below.
Our grade 5 & 6 students also have their own wikis that they use to communicate with each other and store links, embed widgets and generally have a play with. We encourage them to do that so that when they get to Yr 7 they are quite familiar with the technology and can focus on the content of their portfolio.But again these are set to private so I can't really share a real one with you.
We also use wikis as portals for class work and have used them for younger students in that way.
I realise that these are not necessarily the usual way that wikis are used. But I think that the power is in the potential to make them any thing you want to.
Finally one more wiki which is probably a little more like the usual fare. The quality could be better I think but for a first go for our Year 7 students and their teacher it wasn't too bad. https://discoveregypt.wikispaces.com/
i have to write a wiki project in group on a subject. i am quite green to it, actually. could you please give me any ideas or direct me to some how-to resources for it? my email is email@example.com.