Nrich Maths - For those who like a challenge!
Bitesize maths (number- KS2 good for 3rd - 6th class)

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Ranganna Naoináin
Infant classes
Oxfordowl has good games. Click here for pattern game
Rang 5&6

May 2013 Practise your problem solving with this game
 Fractions equivalents:  Try this quiz
Fractions to decimal - just sing it!