You can access a wealth of Maths activities over the summer holidays using the links below:
https://hegartymaths.com/login/learner : Hegarty Maths
https://www.transum.org : Games, puzzles, times tables
https://www.bbc.co.uk/bitesize/secondary : Interactive activities for most topics
https://thirdspacelearning.com/blog/maths-games-ks3 : Family maths games
https://nrich.maths.org/9465 : Interactive games and challenges
https://uk.ixl.com : Maths quizzes by topic