Here's a few to get you started:
If your child likes art try:Patty Paints-Multiplication game (Stages 1-3)
You can choose which tables to play.
After each section you get to spray paint a vehicle.
The amount of time you get depends on how well you do!
Multiplication game- go to Multiplication Tables then scroll down to Moon Maths
ICT Numeracy Games
Learning Planet Maths Games