https://www.hamilton-trust.org.uk/ (free account)
www.twinkl.com (a teaching resource website) are offering everyone a free month membership. Just use the code CVDTWINKLHELPS to access your free month.
Daily maths work will be sent home to parents via email. on the White Rose website (https://whiterosemaths.com/homelearning/) there are videos to help you and your child/ren with different aspects of mathematics.