The Primary Maths Challenge is a fun challenge for students just a little too young for the UKMT Junior Mathematics Challenge. Information about the challenge can be found at the official website here.
The video below discusses the solutions to the 2018 challenge and will be of use to parents and teachers of students sitting the challenge, as well as the students themselves.
When you are ready to move on from the Primary to the Junior Maths Challenge, the following online course will be useful:
I am also in the process of creating an 11+ maths preparation course that is ideal for students at the Primary Maths Challenge age, whether or not they are applying for competitive entry examinations. Indeed it could also be good preparation for the Primary Maths Challenge!