Graphs make up a huuuge part of the gcse maths syllabus.

Its a topic that comes up in both foundation and higher tier, the questions can easily range from level 3 to level 9.

You can treat Ratios like coordinates on a graph.

If you have a ratio in its simplified form, like 1 : 4

And then if you scale it up by multiplying - we learnt this is in my previous post on gcse maths ratios.

You can create a set of ratios like this: