The end of year assessment can be based on any maths you have been taught up to this point (3rd Form , 2nd Form and primary).
The 2nd and 3rd Form objectives are listed below in the schemes of work documents.
Use the resources below for general revision.
Use Learning Lighthouses 2, 3, 4, 5,
There are also some old Foundation GCSE papers that will help you with exam practise.
Look back through your targets to improve on and find them on Maths Genie and Corbett Maths.
Finally visit Corbett's 5-a-day (use the Numeracy, Foundation and Foundation Plus questions).