Many of the activities found on the Speech and Language, SEMH and Motor Skills pages may be useful too.
CEAT have added resources to their page for families to use:
www.timestables.co.uk is a great alternative to TTRockstars. You do not need a login and it does not have the time pressure that some pupils find tricky. You can practice on here before competing with on TTRockstars.
Free resources available from Social Thinking: https://www.socialthinking.com/free-stuff/books-thinksheets