The following document is a list of resources which home school parents use which you might find useful:
KS2 Maths:
https://mathsframe.co.uk/en/resources/category/22/most-popular
https://www.bbc.co.uk/bitesize/subjects/z826n39
KS2 English:
https://www.teachwire.net/news/5-of-the-best-online-grammar-games-for-ks2-english
https://www.topmarks.co.uk/english-games/7-11-years/spelling-and-grammar
https://www.bbc.co.uk/bitesize/subjects/zv48q6f