2D shapes
Identify a two-dimensional shape from its attributes, including sides, corners, curves, and defining constraints.
Surface
2D shapes uses short visual tasks with clear answer actions and repairable mistakes.
Selection
Fresh independent work can move toward Core, Transfer, or Challenge routes; help use or confusion keeps support visible.
Help
Hints keep attention on the visible structure; reveals show the path without counting as independent evidence.
Presentation
Presentation can reduce reading and interaction load without changing the selected skill. Practice focus can bias compatible work without breaking prerequisites or story fit.