Crickweb is a well-established site for primary school teachers providing a superb range of teaching resources. Try a virtual pinboard, some tangram puzzles or basic function machines for numeracy or some word puzzles to improve literacy skills. It’s a versatile site with lots of features and it’s free. What’s not to like?
A great way to bring hands-on practical science into primary schools. Take a look at http://www.empiribox.org
Game-based learning with so much more than just a quiz format. It challenges students and raises the bar for progress and achievement indicators. You can involve students in the process and gain a deeper understanding of each topic being studied. Free to use and incredibly quick and simple registration.