The Road Maps and knowledge organisers will show you the key information that your child needs to know by the end of each term. These are also on the Maths area.  This will help you decide which skills your child needs to practice.  

In year 4, children will take the statutory multiplication tables check test.  They are expected to know their timestables fact to 12x12 and be able to recall them with speed and fluency. Hit the Button is especially good for supporting this.

https://www.primarygames.co.uk/

https://play.ttrockstars.com/auth/school

The children all have a login for this. If not they can ask the teacher for it

https://www.bbc.co.uk/bitesize/subjects/z6vg9j6

BBC Bitesize covers lots of areas of the curriculum as well as maths.

https://tsl-static.s3.eu-west-2.amazonaws.com/assets/Parents+Maths+Hub+Steps.pdf

Third Space Learning has lots of resources and signing up is free. Just click the link above and set up your free account.

https://www.topmarks.co.uk/maths-games/hit-the-button

This is a great site for children to practice fluency and rapid recall of key mathematical facts.