Intermediate November 2024 Unit 2 Q4
4. Shade the least number of squares so that the grid has rotational symmetry of order 2. [3]

| Scheme | Marks | Comments |
|---|---|---|
![]() | B3 | B1 for each individual shape. Penalise −1 if more than 7 squares are shaded. Ignore clearly deleted shading. If no marks, award SC1 for the response below. ![]() |

