MyMaths website (password needed)
Maths Salamanders - this is an American website, but has lots of games and activities appropriate to the children's level. It is worth having a look around the website at the other activities, too.
This is a timed activity to support number bond practice and can be set to a number of different levels.
Number Families - this is an activity to help children remember number facts and recognise sets of number families.
Hit the Button - another Topmarks activity to help children remember number facts.
Save the Whale - a useful activity for practising number bonds up to and including 10.
Change the target number by clicking the arrows at the top.
Snappy Maths - adding multiples of 10
Here are some websites to help you find out about skeletons.