Trevor Dixon has over 30 years' teaching experience in primary schools, and he led mathematics in three schools. Additionally, he was Lead Teacher for Gifted and Talented Education and also worked as an Advanced Skills Teacher and wrote materials for Gateshead LA. Trevor is a writer of teaching and assessment materials for different publishers and exam boards. He has been involved in writing and developing questions for KS1 and KS2 SATs mathematics papers and trialling these questions in schools. He also has a wide range of marking experience and works developing short teaching videos.