Google+Collaboration

Using Google Collaborative Tools
Google Educational Tools for Collaboration

Google Apps for Education: Lesson Plans

Google Docs is an easy-to-use online word processor, spreadsheet and presentation editor that enables you and your students to create, store and share instantly and securely, and collaborate online in real time. You can create new documents from scratch or upload existing documents, spreadsheets and presentations. There's no software to download, and all your work is stored safely online and can be accessed from any computer. Help with Google Docs

Google Sites offer secure and simple web page creation for team-managed sites. Help with Google Sites

Google Groupsis an improved way to participate in online discussions. Help with Google Groups

Even More Google Apps