Starts off on foundation (Red) - expanding basic expressions - but moving on in difficulty even in the red section.
Developing (Amber) - expanding expressions when two terms in and introducing more negatives.
Secure (Green) - Expand and simplify moving on in terms of how many negatives are introduced
Exceeding (Blue) - problem solving and developing thinking - constructing expressions and expanding them with written problems and shape. Pupils demonstrate they are confident with expand and simplify.