This is a wonderful maths puzzle site where players must use + - x or ÷ with a set of four numbers to equal 24. There are many modes to choose from, including an easier 'kids' version of the game, timed games and even a battle mode where you can challenge other people.
http://ictmagic.wikispaces.com/Maths

This site has a great set of maths games that are sorted into different primary age groups. Practise multiplication, more/less than, decimals and much more. No sign in or registration needed.
http://ictmagic.wikispaces.com/Maths

This is a wonderfully simple maths quiz site with a good collection of activities for the 4 operations. Choose your category and get 10 randomly generated questions to answer.
http://ictmagic.wikispaces.com/Maths

A useful maths flash resource where players arrange numbers into a grid of addition and subtraction questions in the quickest time possible. It's great for practising basic skills. Why not set up a competition in your class? There are four levels of difficulty to choose from.
http://ictmagic.wikispaces.com/Maths

This is a superb maths games and activities site. Design an avatar and stroll around and choose what activities you would like to do in a range of maths topics. The games are great and the graphics are well designed and child-friendly.
http://ictmagic.wikispaces.com/Maths

A good sport themed maths basic operations resource. Answer questions about + - x ÷ to make your swimmer faster to win the race.
http://ictmagic.wikispaces.com/Maths

A great new resource from the creator of 'A Maths Dictionary for Kids'. Download and print beautifully designed and wonderfully useful maths posters on a good range of topics. Your classroom walls will never be the same again.
http://ictmagic.wikispaces.com/Maths

This site helps students practise basic maths skills through short online exercises that are intended to be used each day. Teacher can get analysis of progress and more. Signing up a class is quick and easy.
http://ictmagic.wikispaces.com/Maths

A great futuristic adventure game from the BBC where players must use their skills at adding and subtracting to save the world.
http://ictmagic.wikispaces.com/Maths

An interesting maths site where players must find the value of X in problem using multiplication, division, addition or subtraction.
http://ictmagic.wikispaces.com/Maths

This simple addition and subtraction game is wonderful for whiteboards. The pen tool allows students to show their workings before choosing an answer from the four given.
http://ictmagic.wikispaces.com/Maths