This popular text addresses the urgent need for curriculum materials that cross traditional boundaries to include many of the elements that are integrated in th

More is not an answer key but a resource that provides the scaffolding for the groundbreaking approach to fraction and ratio instruction presented in its compan

A Focus on Fractions is a groundbreaking effort to make the mathematics education research on how students develop their understanding of fraction concepts read

"A series for teaching mathematics."--P. [1] of cover.

Do your students suppose that 1/3 is greater than 1/2, since 3 is greater than 2? Do they believe that having “halves” means having two, and only two, congr