This looks like a handy tool for maps lessons. You can do all this in google earth but having the drawing tools over laid at the top of the screen is very handy and quite user friendly for students.
Another great post by Tom Barret. Where does he find the time? Great ideas for digital writing and integrating ICT into your Literacy and english lessons
Skill based learning, but could be useful if doing differentiated rotations in maths lesson and want to target a particular skill that the students may need to help in their understanding/solving of an extended problem.
Lots of good Internet based games: e.g Algebra puzzles which could be used to form the basis for a lesson or also could be used as an intro warm up or early finishers activity. Most activities would suit upper primary, however some extension students would benefit from playing the games.
Has a good selection of logic games e.g. factory balls and popular games, such as battleships.
Has a good selection of instructional maths videos, which look very useful.
Some great widgets here for student and classblogs. I could see Buzzbite being really useful in a chance and data lesson whilst Polldaddy could be used to collect some raw data for an opinion piece-persuasive writing