This document is the introduction to a Year 1 assessment pack published by TeeJay Publishers in 2016 to assess student progress against the UK National Curriculum. It includes: - 25 photocopiable assessment masters corresponding to chapters in Year 1 maths books 1A and 1B - 4 block assessments covering the main outcomes from books 1A and 1B, as well as measurement/geometry and probability/statistics - An end-of-year diagnostic assessment - A complete answer key The assessments are designed to be used alongside TeeJay's Year 1 course materials.