White Rose Hub has created free access to their resources with a full range of questions for children to look at, covering a full range of maths topics. Follow the link and sign up. You will then be able to access the topics at the bottom of the page by searching for the relevant year group and topic.
TT Rock Stars (Year 2 to 6)
Numbots (Year 1 and 2)
Twinkl are currently allowing free access to their resources. This covers the full curriculum. Once you have signed up, use the tabs at the top to search for the area you would like to look at.