MathShere Maths Puzzles http://www.mathsphere.co.uk/resources/MathSphereMathsPuzzles.htm
This website features a great set of maths puzzles for upper primary children, which are ideal for printing out in colour and laminating, making a long lasting resource.
Maths resources for kids
A U.S. website designed for primary school children, which is full of puzzles and lessons which make maths fun.
Maths games and resources
This Australian website has a lot of maths games and maths lessons designed for primary school children.
Woodland maths zone
This is a U.S. website with interactive maths activities aimed at 7-11 year olds.
Project Happy Child
This website provides many different free maths worksheets and educational resources for all school levels.
BBC school resources
A BBC website dedicated to numeracy and maths skills, with activities for different age groups and abilities.
http://www.bbc.co.uk/schools/numbertime/ For kids 4- 11 years old has songs and games etc. including printable worksheets to download.
This website features games from the many different strands of maths.
SuperKids maths worksheet creator
This website allows teachers and parents to make maths worksheets for a wide range of mathematical problems.