Check out the following links for some fantastic games to help children learn their timestables. They have played these in class and absolutely loved them so here they are: 

https://www.topmarks.co.uk/maths-games/7-11-years/times-tables 

https://ttrockstars.com/ - children were given an individual login for this website so they could learn their tables. If they have misplaced this then they can come and ask for another one.