Proportion also describes how the sizes of different parts of a piece of art or design relate to each other. The proportions of a composition will affect how pleasing it looks and can be used to draw ...

This is a preview. Log in through your library . Journal Information The journal aims to stimulate reflection on mathematics education at all levels, and promote study of its practices and its ...

Twenty secondary mathematics teachers described their thinking as they solved four proportion problems (Task 1), explained how they would teach two of the problems (Task 2), and solved four similar ...