Interior designers reveal how they use mathematics to bring harmony to a space.

Revise how to work out equivalent ratios and simplify ratios by dividing both sides by the highest common factor. Test yourself with practice questions and a game. NEW: Ratio and fractions, and ...

Marcus du Sautoy—mathematician, author, playwright, educator and musician—is a modern polymath. He brings this vast knowledge to his new book, Blueprints: How Mathematics Shapes Creativity. In nine ...