If you would like your child to get some extra practise at writing at a Year 5 level, they could try using any of these story starters as a launchpad into their writing. Remember to get your child to re-read their work and edit to make improvements and to check that it makes sense.
https://www.literacyshed.com/story-starters.html
This next website is a fantastic resource which can help creative writing. The children could develop word choice and use a thesaurus to describe the images, or they could fix the “sick sentences” or work on their inference skills by answering the questions.
https://www.pobble365.com/
In terms of learning times tables, here are a few links to help develop speed and reasoning.
https://www.twinkl.co.uk/resource/t2-m-2397-times-tables-games
https://nrich.maths.org/6863
https://www.topmarks.co.uk/maths-games/hit-the-button
Maybe you could even do a “rock slam” against your child on Times Table Rock Stars!