https://education.gov.scot/parentzone/learning-at-home/supporting-numeracy/introduction-to-supporting-numeracy/
These activities are specifically designed for parents to use at home with their children.
https://www.nationalnumeracy.org.uk/news/free-family-maths-activities-children-aged-4-11-0
This website has a whole range of family numeracy activities to be completed at home using everyday items that you will have in the house. It is also grouped by age too so your sctivities can be for every child in the house.
https://www.oxfordowl.co.uk/for-home/kids-activities/fun-maths-games-and-activities/
Lots of activities for the age of your child which can be accessed at home.This also has links to other curricular areas
https://www.sumdog.com/user/sign_in
http://www.readwritecount.scot/count/
http://nrich.maths.org/frontpage
http://www.nationalnumeracy.org.uk/
http://nzmaths.co.nz/maths-our-house