Just found another online maths games site which is worth looking at. You may already know it as I think it has been around for quite a while...
www.ictgames.com
The site is developed by a UK Teacher. The games are fairly simply put together but really do the job well.
The categories of math games include...
Number facts
Counting
Bridging Through Ten
Time
Shapes and Measures
More/Less
Multiplication and Rounding
Money
Addition
Subtraction
Odd and Even
Place Value
Doubles
Equivalence
I have noticed that many school websites use these maths and (they also have some literacy games) from this site as a home learning / practice reference link.
It is worth taking a look at but of course don't forget the best ever online maths games site is our good old ...
www.rainforestmaths.com
Have a happy day!