Here is a list of useful websites to be used at parents/guardians discretion. Children accessing online material should be supervised at all times.
Mathematics
Topmarks - The Maths section of Topmarks has lots of exciting activities relating to a broad range of Mathematical concepts https://www.topmarks.co.uk/maths-games
NRICH - Lots of practical activities and interactive games relating to Maths https://nrich.maths.org/