Please see the following links:

Abacus

Maths homework and other maths activities

https://www.activelearnprimary.co.uk/login?schcode=9aaa&c=0

Lumio

Additional maths games

https://web.lumioeducation.com/app/signin.html

Mathletics

Maths challenges against children around the world

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http://uk.mathletics.com/signin/

Purple Mash

Safe email, games and activities

http://www.purplemash.com/sch/westfield-gu22