Have you ever considered where the numbers that indicate shoe sizes come from and what they indicate? How about shirts, socks, hats, and so forth? In this chapter's first activity, you will make measurements and calculations that relate women's shoe sizes, men's shoe sizes, and shoe lengths. Your final project will be a convenient comparison chart that you can distribute to your friends and family and to shoe stores.

In this chapter you will learn: how to perform operations with fractions how to solve equations with fractions how to find powers of products and quotients how to solve problems by working backward