For over a decade, Teaching Fractions and Ratios for Understanding has pushed readers beyond the limits of their current understanding of fractions and rational

"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

For years, the teaching and learning of fractions has been associated with rote memorization. But this mechanical approach to instruction—which strips student

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