Website Brief Description
https://mathsmadeeasy.co.uk/ks2-revision/   Useful website to revise all KS2 maths topics.
http://play.ttrockstars.com   Useful website to help with multiplication facts recall.
http://www.primaryhomeworkhelp.co.uk/maths/   Website to help children with maths homework.
http://www.primarygamesarena.com/   A website with a host of games to help aid maths learning.
https://www.bbc.com/bitesize/subjects/z826n39   Maths revision website for all maths topics.
https://diagnosticquestions.com/Account/Login   Useful maths quizzes to aid maths learning.
https://www.mathplayground.com/games.html   Useful maths games to aid maths learning.
https://mathsframe.co.uk/en/resources/category/22/most-popular   Useful maths games to aid maths learning.
http://www.bbc.co.uk/education BBC Education have produced a whole host of materials for KS2.  Follow the KS2 link and then select either Maths or English.  
http://www.crickweb.co.uk/ks2literacy.html   Range of English games and activities.
http://www.keystage2literacy.co.uk/spellings-menu.html   Activities to reinforce and practise a range of spelling rules.  
https://www.topmarks.co.uk/english-games/7-11-years/spelling-and-grammar   English games and activities
https://www.oxfordowl.co.uk/welcome-back/for-home   Sign up to access free online books.
http://www.primaryhomeworkhelp.co.uk/literacy/  A useful website with links to many other curriculum areas.