Plickers is an app whereby just the teacher needs an iPad. It is great tool for teachers who are not so confident using ICT devices to become familiar and confident to use them with the children in their class. It is also a great tool for pre/post assessment.
This is a diigo group created as part of the MOOC "ICT in Primary Education: Transforming children's learning across the curriculum" (https://www.coursera.org/course/ictinprimary). You are encouraged to contribute, sharing additional resources (web pages, links to publications, ...).