Introduction to ratio in a functional sense. Print the Question slides on a3 and put around the room - all should be able to to the first slide, Most the second and Some the third.
Worksheet on rearranging formulae (or equations) split into 3 levels, Core, Challenge and Super Challenge. I used this with a middle to low ability Year 9 group.
Worksheet made the old school way! Used with Y6 and Y7 on calculating missing angles at a point, on a straight line and in a triangle.
Differentiated into Core, Challenge and Super Challenge.